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Ko, Youngjoong

Publications

Natural Language Processing/Dialogue System/QA System/Graph-based Neural Network
Text Classification/Summarization
Information Retrieval/Cross-language IR
Big Data Analysis/Opinion Mining
Machine Learning/Deep Learning/Topic Modeling/Advesarial Learning
Multimodal/Ethics/Bio/Fake News Detection, etc.

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Refereed International Journal Papers


67.Youngjae Chang and Youngjoong Ko. Two-step Masked Language Model for Domain-adapting Multi-modal Task-oriented Dialogue Systems. IEEE/ACM Transactions on Audio, Speech and Language Processing, Vol. 32, pp. 2938-2943, June 2024. (SCIE, IF=4.1 (Top 10%), ISSN 2329-9290) [Publisher]
66.Choongwon Park and Youngjoong Ko. Query-Focused Summarization with the Context-Graph Information Fusion Transformer. Expert Systems With Applications, Elsevier Science, Vol. 241, pp. 122699, May 2024. (SCIE, IF=7.5 (Top 10%), ISSN 0957-4174) [PDF(free download before January 16, 2024)] [Publisher]
65.Jinyoung Kim and Youngjoong Ko. SPACE: Senti-Prompt As Classifying Embedding for sentiment analysis. Pattern Recognition Letters, Elsevier Science, Vol. 180, pp. 62-67, April 2024. (SCIE, IF=3.9, ISSN 0167-8655) [PDF(free download before April 24, 2024)] [Publisher]
64.Taehun Huh and Youngjoong Ko. Efficient Framework for Low-Resource Abstractive Summarization by Meta-Transfer Learning and Pointer-Generator Networks. Expert Systems With Applications, Elsevier Science, Vol. 234, pp. 121029, December 2023. (SCIE, IF=7.5 (Top 10%), ISSN 0957-4174) [PDF(free download before September 29, 2023)] [Publisher]
63.Junhee Cho and Youngjoong Ko. DiCeR: Dialogue-Centric Representation for Knowledge-Grounded Dialogue through Contrastive Learning. Pattern Recognition Letters, Elsevier Science, Vol. 172, pp. 151-157, August 2023. (SCIE, IF=3.9, ISSN 0167-8655) [PDF(free download before August 06, 2023)] [Publisher]
62.Kyuri Choi and Youngjoong Ko. Meta-Learning with Topic-agnostic Representations for Zero-Shot Stance Detection. Pattern Recognition Letters, Elsevier Science, Vol. 171, pp. 15-20, July 2023. (SCIE, IF=3.9, ISSN 0167-8655) [PDF(free download before July 02, 2023)] [Publisher]
61.Haeun Yu and Youngjoong Ko. Enriching the Dialogue State Tracking Model with a Syntactic Discourse Graph. Pattern Recognition Letters, Elsevier Science, Vol. 169, pp. 81-86, May 2023. (SCIE, IF=3.9, ISSN 0167-8655) [PDF(free download before June 02, 2023)] [Publisher]
60.Bosung Kim, Hyewon Choi, Haeun Yu and Youngjoong Ko. Graph-based Query Reformulation System for Descriptive Queries of Jargon Words using Definitions. Expert Systems With Applications, Elsevier Science, Vol. 214, 119149, March 2023. (SCIE, IF=7.5 (Top 10%), ISSN 0957-4174) [PDF(free download before December 29, 2022)] [Publisher]
59.Taesuk Hong, Junhee Cho, Haeun Yu, Youngjoong Ko and Jungyun Seo. Knowledge-grounded Dialogue Modeling with Dialogue-State Tracking, Domain Tracking, and Entity Extraction. Computer Speech and Language, Elsevier Science, Vol. 78, pp. 101460, March 2023. (SCIE, IF=3.1, ISSN 0885-2308) [PDF(free download before November 16, 2022)] [Publisher]
58.Bonggeun Choi and Youngjoong Ko. Knowledge Graph Extension with a Pre-trained Language Model via Unified Learning Method. Knowledge-Based Systems, Elsevier Science, Vol. 262, pp. 110245, 28 February 2023. (SCIE, IF=7.2, ISSN 0950-7051) [PDF(free download before March 01, 2023)] [Publisher]
57.Yeongjoon Park, Youngjoong Ko and Jungyun Seo. BERT-based Response Selection in Dialogue Systems using Utterance Attention Mechanisms. Expert Systems With Applications, Elsevier Science, Vol. 209, 118277, December 2022. (SCIE, IF=8.5 (Top 10%), ISSN 0957-4174) [PDF(free download before September 20, 2022)] [Publisher]
56.Meongjun Kim and Youngjoong Ko. Multi-task Fine-tuning for Passage Re-ranking Using BM25 and Pseudo Relevance Feedback. IEEE ACCESS, Vol. 10, pp. 54254-54262, May 2022. (SCIE, IF=3.367, ISSN 2169-3536) [Publisher(Open Access)]
55.Hyewon Choi and Youngjoong Ko. Effective Fake News Video Detection Using Domain Knowledge and Multimodal Data Fusion on YouTube. Pattern Recognition Letters, Elsevier Science, Vol. 154, pp. 44-52, February 2022. (SCIE, IF=4.757, ISSN 0167-8655) [PDF(free download before March 10, 2022)] [Publisher]
54.Bosung Kim, Youngjoong Ko and Jungyun Seo. Novel Regularization Method for the Class Imbalance Problem. Expert Systems With Applications, Elsevier Science, Vol. 188, 115974, February 2022. (SCIE, IF=8.665 (Top 10%), ISSN 0957-4174) [PDF(free download before December 03, 2021)] [Publisher]
53.Gihwan Kim and Youngjoong Ko. Effective Fake News Detection using Graph and Summarization Techniques. Pattern Recognition Letters, Elsevier Science, Vol. 151, pp. 135-139, November 2021. (SCIE, IF=4.757, ISSN 0167-8655) [PDF(free download before October 13, 2021)] [Publisher]
52.Hyewon Choi and Youngjoong Ko. Using Adversarial Learning and Biterm Topic Model for an Effective Fake News Video Detection System on Heterogeneous Topics and Short Texts. IEEE ACCESS, Vol. 9, pp. 164846-164853, October 2021. (SCIE, IF=3.476, ISSN 2169-3536) [Publisher(Open Access)]
51.Bonggeun Choi, Daesik Jang and Youngjoong Ko. MEM-KGC: Masked Entity Modeling for Knowledge Graph Completion with Pre-trained Language Model. IEEE ACCESS, Vol. 9, pp. 132025-132032, September 2021. (SCIE, IF=3.476, ISSN 2169-3536) [PDF] [Publisher(Open Access)]
50.Sunjae Kwon, Dongsuk Oh and Youngjoong Ko. Word Sense Disambiguation based on Context Selection using Knowledge-based Word Similarity. Information Processing and Management, Pergamon-Elsevier Science, Vol. 58, No. 4, 102551, July 2021. (SSCI, SCIE, IF=7.466, ISSN 0306-4573) [PDF(free download before April 23, 2021)] [Publisher]
49.Juryong Cheon and Youngjoong Ko. Parallel Sentence Extraction to Improve Cross-Language Information Retrieval from Wikipedia. Journal of Information Science, SAGE journals, Vol. 47, No. 2, pp. 281-293, April 2021. (SSCI, SCIE, IF= 2.462, ISSN 0165-5515) [Publisher]
48.Seungwook Lee and Youngjoong Ko. Named-Entity Recognition Using Automatic Construction of Training Data from Social Media Messaging Apps. IEEE ACCESS, Vol. 8, pp. 222724-222732, December 2020. (SCIE, IF=3.367, ISSN 2169-3536) [Publisher(Open Access)]
47.Juae Kim, Youngjoong Ko and Jungyun Seo. Construction of Machine-Labeled Data for Improving Named Entity Recognition by Transfer Learning. IEEE ACCESS, Vol. 8, pp. 59684-59693, March 2020. (SCIE, IF=3.367, ISSN 2169-3536) [Publisher(Open Access)]
46.Hongyeon Yu, Jaehyun An, Jeongmin Yoon, Hyemin Kim and Youngjoong Ko. Simple Methods to Overcome the Limitations of General Word Representations in Natural Language Processing Tasks. Computer Speech and Language, Elsevier Science, Vol. 59, pp. 91-113, January 2020. (SCIE, IF=1.899, ISSN 0885-2308) [Publisher]
45.Guanghao Xu, Youngjoong Ko and Jungyun Seo. Improving Neural Machine Translation by Filtering Synthetic Parallel Data. Entropy, Vol. 21, No. 12. pp. 1213, December 2019. (SCIE, IF=2.494, ISSN 1099-4300) [Publisher(Open Access)]
44.Kyoungman Bae and Youngjoong Ko. Improving Question Retrieval in Community Question Answering Service using Dependency Relations and Question Classification. Journal of the Association for Information Science and Technology, Wiley-Blackwell, Vol. 70, No. 11, pp.1194-1209, November 2019. (SSCI, SCIE, IF=2.410, ISSN 2330-1635) [Publisher]
43.Hongseon Yeom, Youngjoong Ko and Jungyun Seo. Unsupervised-learning Based Keyphrase Extraction from a Single Document by the Effective Combination of the Graph-based Model and the Modified C-value Method. Computer Speech and Language, Elsevier Science, Vol. 58, pp. 304-318, November 2019. (SCIE, IF=2.116, ISSN 0885-2308) [Publisher]
42.Kyoungman Bae and Youngjoong Ko. Efficient question classification and retrieval using the category information and word embedding on cQA services. Journal of Intelligent Information Systems, Springer, Vol. 53, No. 1, pp. 27-49, August 2019. (SCIE, IF=1.813, ISSN 0925-9902) [Publisher]
41.Juae Kim, Youngjoong Ko and Jungyun Seo. A Bootstrapping Approach with CRF and Deep Learning Models for Improving the Biomedical Named Entity Recognition in Multi-domains. IEEE Access Vol. 7, pp. 70308-70318, April 2019. (SCIE, IF=3.745, ISSN 2169-3536) [Publisher(Open Access)]
40.Hyemin Kim, Seon Yang and Youngjoong Ko. How to utilize syllable distribution patterns as the input of LSTM for Korean morphological analysis. Pattern Recognition Letters, Elsevier Science, Vol. 120, pp. 39-45, April 2019. (SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
39.Sunjae Kwon, Youngjoong Ko and Jungyun Seo. Effective vector representation for the Korean named-entity recognition. Pattern Recognition Letters, Elsevier Science, Vol. 117, pp. 52-57, January 2019. (SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
38.Kyoungman Bae and Youngjoong Ko. Speech-Act Classification Using Convolutional Neural Networks and Word Embedding. International Journal on Artificial Intelligence Tools, Vol. 27, No. 6, 1850026, September 2018. (SCIE, ISSN 0218-2130) [Publisher]
37. Hyoungil Jeong, Youngjoong Ko and Jungyun Seo. Statistical Text Summarization Using a Category-based Language Model on a Bootstrapping Framework. International Journal on Artificial Intelligence Tools, Vol. 27, No. 3, 1850014, May 2018. (SCIE, ISSN 0218-2130) [Publisher]
36.Changsu Lee and Youngjoong Ko. Spoken Language Understanding with a Novel Simultaneous Recognition Technique for the Intelligent Personal Assistant Software. International Journal on Artificial Intelligence Tools, Vol. 27, No. 3, 1850009, May 2018. (SCIE, ISSN 0218-2130) [Publisher]
35.Donghyun Yoo, Youngjoong Ko and Jungyun Seo. Speech-Act Classification Using a Convolutional Neural Network Based on POS tag and Dependency-Relation Bigram Embedding. IEICE Transactions on Information and System, Vol. E100-D, No. 12, pp. 3081-3084, December 2017. (SCIE, ISSN 0916-8532) [Publisher]
34.Youngjoong Ko. How to Use Negative Class Information for Naive Bayes Classification. Information Processing and Management, Pergamon-Elsevier Science, Vol. 53, No. 6, pp. 1255-1268, November 2017 (SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
33.Kyoungman Bae and Youngjoong Ko. Improving Question Retrieval in cQA Services Using a Dependency Parser. IEICE Transactions on Information and System, Vol. E100-D, No. 2, pp. 807-810, April 2017. (SCIE, ISSN 0916-8532) [Publisher]
32.Juryong Cheon and Youngjoong Ko. Automatically Extracting Parallel Sentences from Wikipedia Using Sequential Matching of Language Resources. IEICE Transactions on Information and System, Vol. E100-D, No. 2, pp. 405-408, February 2017. (SCIE, ISSN 0916-8532) [Publisher]
31.Hyoungil Jeong, Youngjoong Ko and Jungyun Seo. How to Improve Text Summarization and Classification by Mutual Cooperation on an Integrated Framework. Expert Systems with Applications, Vol. 60, pp. 222-233, October 2016. (SCIE, IF=5.452, ISSN 0957-4174) [Publisher]
30.Kyoungman Bae and Youngjoong Ko. How to Combine Translation Probabilities and Question Expansion for Question Classification in cQA Services. IEICE Transactions on Information and System, Vol. E99-D, No. 4, pp. 1019-1022, April 2016. (SCIE, ISSN 0916-8532) [Publisher]
29.Youngjoong Ko. A New Term Weighting Scheme for Text Classification Using the Odds of Positive and Negative Class Probabilities. Journal of the Association for Information Science and Technology, Wiley-Blackwell, Vol. 66, No. 12, pp. 2553-2565, December 2015. (SSCI, SCIE, IF=2.410, ISSN 2330-1635) [Publisher]
28.Hyoungil Jeong, Youngjoong Ko and Jungyun Seo. Efficient Keyword Extraction and Text Summarization for Reading Articles on a Smart Phone. Computing and Informatics, Vol. 34, No. 4, pp. 779-794, August 2015. (SCIE, ISSN 1335-9150) [Publisher]
27.Youngjoong Ko. New Feature Weighting Approaches for Speech-act Classification. Pattern Recognition Letters, Elsevier Science, Vol. 51, pp. 107-111, January 2015. (SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
26.Sungho Kim, Youngjoong Ko and Douglas W. Oard. Combining Lexical and Statistical Translation Evidence for Cross-Language Information Retrieval. Journal of the Association for Information Science and Technology, Wiley-Blackwell, Vol. 66, No. 1, pp. 23-39, January 2015. (SSCI, SCIE, IF=2.410, ISSN 2330-1635) [Publisher]
25.Seon Yang and Youngjoong Ko. Mathematical Formula Search using Natural Language Queries. Advances in Electrical and Computer Engineering, Vol. 14, No. 4, pp. 99-104, December 2014. (SCIE, ISSN 1582-7445) [Publisher]
24.Seon Yang and Youngjoong Ko. Classifying Korean Comparative Sentences for Comparison Analysis. Natural Language Engineering, Cambridge Journals, Vol. 20, No. 4, pp. 557-581, October 2014. (SSCI, SCIE, IF=1.465, ISSN 1351-3249) [Publisher]
23.Youngjoong Ko. Sentiment Document Classification Using Global and Domain Features. Information: An International Interdisciplinary Journal, International Information Institute, Vol. 17, No. 2, pp. 699-708, February 2014. (SCOPUS, ISSN 1343-4500)
22.Sangwoo Kang, Youngjoong Ko and Jungyun Seo. Hierarchical Speech-act Classification for Discourse Analysis. Pattern Recognition Letters, Elsevier Science, Vol. 34, No. 10, pp. 1119-1124, July 2013. (SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
21.Sangwoo Kang, Youngjoong Ko and Jungyun Seo. A Dialogue Management System Using a Corpus-based Framework and the Dynamic Dialogue Transition Model. AI Communications, IOS press, Vol. 26, No. 2, pp. 145-159, April 2013. (SCIE, IF=1.000, ISSN 0921-7126) [Publisher]
20.Youngjoong Ko and Sangjun Bae. Automatic Named-Entity Set Expansion from the Web Using a Mutual Importance Measure. Information: An International Interdisciplinary Journal, International Information Institute, Vol. 15, No, 11(B), pp. 5029-5040, November 2012. (SCIE, ISSN 1343-4500) [Publisher]
19.Kyungsun Kim, Youngjoong Ko and Jungyun Seo. An Effective Application of Contextual Information using Adjacency Pairs and a Discourse Stack for Speech-Act Classification. International Journal of Innovative Computing Information and Control (IJICIC), Vol. 8, No. 11, pp. 7713-7728, November 2012. (SCIE, ISSN 1349-4198) [Publisher]
18.Shinil Kim, Seon Yang and Youngjoong Ko. Classifying Mathematical Expressions Written in MathML. IEICE Transactions on Information and System, Vol. E95-D,No. 10, pp. 2560-2563, October 2012. (SCIE, ISSN 0916-8532) [Publisher]
17.Shinil Kim, Seon Yang and Youngjoong Ko. A Novel Discriminative Probabilistic Model for Automatic Word Spacing on Mobile Devices. International Journal of Innovative Computing Information and Control (IJICIC), Vol. 8, No. 7(B), pp. 5055-5065, July 2012. (SCIE, ISSN 1349-4198) [Publisher]
16.Sangwoo Kang, Youngjoong Ko and Jungyun Seo. Generating Effective Responses for a Plan-based Dialogue System in Human-robot Interaction. Information: An International Interdisciplinary Journal, International Information Institute, Vol. 15, No. 2, pp. 949-960, February 2012. (SCIE, ISSN 1343-4500)
15.Youngjoong Ko and Jungyun Seo. Issues and Empirical Results for Improving Text Classification. Journal of Computing Science and Engineering (JCSE), Vol. 5, No. 2, pp. 150-160, June 2011. (SCOPUS, ISSN 1976-4677) [Publisher]
14.Seon Yang and Youngjoong Ko. Finding Relevant Features for Korean Comparative Sentence Extraction. Pattern Recognition Letters, Elsevier Science, Vol. 32, No. 2, pp. 293-296, January 2011. (SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
13.Youngjoong Ko and Jungyun Seo. Text Classification from Unlabeled Documents with Bootstrapping and Feature Projection Techniques. Information Processing and Management, Pergamon-Elsevier Science, Vol. 45, No. 1, pp. 70-83, January 2009. (SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
12.Youngjoong Ko, Hongkuk An and Jungyun Seo. Pseudo-Relevance Feedback and Statistical Query Expansion for Web Snippet Generation. Information Processing Letters, Elsevier Science, Vol. 109, No. 1, pp. 18-22, December 2008. (SCIE, ISSN 0020-0190) [Publisher]
11.Youngjoong Ko and Jungyun Seo. An Effective Sentence-Extraction Technique Using Contextual Information and Statistical Approaches for Text Summarization. Pattern Recognition Letters, Elsevier Science, Vol. 29, No. 9, pp. 1366-1371, July 2008. (SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
10.Youngjoong Ko, Sooyong Park, Jungyun Seo and Soonhwang Choi. Using Classification Techniques for Informal Requirements in the Requirements Analysis-supporting System. Information and Software Technology, Elsevier Science, Vol. 49, No. 11-12, pp. 1128-1140, November 2007. (SCIE, IF=2.726, ISSN 0950-5849) [Publisher]
9.Hyoungdong Han, Youngjoong Ko and Jungyun Seo. Using the Revised EM Algorithm to Remove Noisy Data for Improving the One-against-the-rest Method in Binary Text Classification. Information Processing and Management, Pergamon-Elsevier Science, Vol. 43, No. 5, pp. 1281-1293, September 2007. (SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
8.Bojun Shim, Youngjoong Ko and Jungyun Seo. Using IS-A Relation Patterns for Factoid Questions in Question Answering Systems. IEICE Transactions on Information and System, Vol. E89-D, No. 12, pp. 2985-2989, December 2006. (SCIE, ISSN 0916-8532) [Publisher]
7.Kyungsun Kim, Youngjoong Ko and Jungyun Seo. Improving Korean Speech Acts Analysis by Using Shrinkage and Discourse Stack. Proceedings of The Second International Joint Conference on Natural Language Processing (IJCNLP-05), in Jeju, Korea, Oct. 13-15, 2005. Lecture Notes in Artificial Intelligence (LNAI), in Springer Verlag., Vol. 3651, pp. 731-741. October 2005. (SCIE, ISSN 0302-9743) [Publisher]
6.Wooncheol Jung, Youngjoong Ko and Jungyun Seo. Automatic Text Summarization Using Two-step Sentence Extraction. Proceedings of Asian Information Retrieval Symposium (AIRS 2004), in Beijing, China, pp.43-48, Oct, 2004. Lecture Notes in Computer Science (LNCS), in Springer Verlag. Vol. 3411, pp. 71-81. March 2005.(SCIE, ISSN 0302-9743) [Publisher]
5.Bojun Shim, Youngjoong Ko and Jungyun Seo. Extracting and Utilizing of IS-A Relation Patterns for Question Answering Systems. Proceedings of Asia Information Retrieval Symposium (AIRS-05), in Jeju, Korea, Oct. 11-13, 2005. Lecture Notes in Computer Science (LNCS), in Springer Verlag. Vol. 3689, pp. 697-702. October 2005.(SCIE, ISSN 0302-9743) [Publisher]
4.Youngjoong Ko and Jungyun Seo. Using the Feature Projection Technique Based on a Normalized Voting Method for Text Classification. Information Processing and Management, Pergamon-Elsevier Science, Vol. 40, No. 2, pp.191-208, March 2004. (SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
3. Youngjoong Ko, Jinwoo Park and Jungyun Seo. Improving Text Categorization Using the Importance of Sentences. Information Processing and Management, Pergamon-Elsevier Science, Vol. 40, No. 1, pp.65-79, January 2004. (SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
2. Youngjoong Ko, Kono Kim and Jungyun Seo. Topic Keyword Identification for Text Summarization Using Lexical Clustering. IEICE Transactions on Information and System, Vol. E86-D, No. 9, pp.1695-1701, September 2003. (SCIE, ISSN 0916-8532) [Publisher]
1.Sooyong Park, Harksoo Kim, Youngjoong Ko and Jungyun Seo. Implementation of an Efficient Requirements Analysis Supporting System Using Similarity Measure Techniques. Information and Software Technology, Elsevier Science, Vol. 42, No. 6, pp.429-438, April 2000. (SCIE, IF=2.726, ISSN 0950-5849) [Publisher]

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Refereed International Conference Papers


40. Jaeah You and Youngjoong Ko. Topic-Informed Dialogue Summarization using Topic Distribution and Prompt-based Modeling. Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing (EMNLP 2023, findings), in Singapore, December 2023. [LINK]
39.Youngjae Chang, Dooyoung Kim, Jinyoung Kim, Hyunmook Cha, Keunha Kim, Sooyoung Min, Youngjoong Ko, Kye-Hwan Lee and Joonwoo Park. Contrastively Pretrained Vision-Language Transformers and Domain Adaptation Methods for Multimodal TOD Systems. Proceedings of the DSTC11 Workshop in the 24th Annual Meeting on the Special Interest Group on Discourse and Dialogue (SIGdial 2023), in Prague, September 2023. [LINK]
38.Honghee Lee, Youngjae Chang, Kyuri Choi, Jongwuk Lee and Youngjoong Ko. Statistical and Generative Models with Subtitle Extraction for Next Product Title Generation. Proceedings of the KDD Cup 2023 Workshop in the 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2023), in Long Beach, August 2023. [LINK]
37.Sunyoung Park, Kyuri Choi, Haeun Yu and Youngjoong Ko. Never Too Late to Learn: Regularizing Gender Bias in Coreference Resolution. Proceedings of the 16th ACM International Conference on Web Search and Data Mining (WSDM 2023), pp. 15-23, February 2023. (BK Plus Computer Science IF=3) [LINK]
36.Choongwon Park and Youngjoong Ko. QSG Transformer: Transformer with Query-Attentive Semantic Graph for Query-Focused Summarization. Proceedings of the 45th Annual International ACM SIGIR Conference (SIGIR 2022), pp. 2589-2594, in Madrid, Spain, July 2022. (BK Plus Computer Science IF=4) [LINK]
35.Taehun Huh and Youngjoong Ko. Lightweight Meta-Learning for Low-Resource Abstractive Summarization. Proceedings of the 45th Annual International ACM SIGIR Conference (SIGIR 2022), pp. 2629-2633, in Madrid, Spain, July 2022. (BK Plus Computer Science IF=4) [LINK]
34.Dongcheol Son, Youngjae Chang, Youngjoong Ko and Jaehwan Lee. Domain Adaptive Task-Oriented Dialog System for Deep Understanding of Multimodal Conversation. Proceedings of the DSTC10 Workshop in the Thirty-Sixth AAAI Conference on Artificial Intelligence (AAAI 2022), in Virtual Conference, March 2022. [LINK]
33.Haeun Yu, Taesuk Hong, Youngjoong Ko and Kwangyong Lee. Adapting Pre-trained Language Model for Dialogue State Tracking on Spoken Conversations. Proceedings of the DSTC10 Workshop in the Thirty-Sixth AAAI Conference on Artificial Intelligence (AAAI 2022), in Virtual Conference, March 2022. [LINK]
32.Junhee Cho, Taesuk Hong, Choongwon Park, Jaeha You, Youngjoong Ko and Kwanyoung Son. Various Uses of Pre-trained Language Model for a Knowledge-grounded Task Oriented Dialogue System. Proceedings of the DSTC10 Workshop in the Thirty-Sixth AAAI Conference on Artificial Intelligence (AAAI 2022), in Virtual Conference, March 2022. [LINK]
31.Bosung Kim, Hyewon Choi, Haeun Yu and Youngjoong Ko. Query Reformulation for Descriptive Queries of Jargon Words Using a Knowledge Graph based on a Dictionary. Proceedings of the 30th ACM International Conference on Information and Knowledge Management (CIKM 2021), pp. 854-862, in Virtual Conference, November 2021. (BK Plus Computer Science IF=3) [LINK]
30.Meungjun Kim and Youngjoong Ko. Self-supervised Fine-tuning for Efficient Passage Re-ranking. Proceedings of the 30th ACM International Conference on Information and Knowledge Management (CIKM 2021), pp. 3142-3146, in Virtual Conference, November 2021. (BK Plus Computer Science IF=3) [LINK]
29.Dongcheol Son and Youngjoong Ko. Self-Supervised Learning based on Sentiment Analysis with Word Weight Calculation. Proceedings of the 30th ACM International Conference on Information and Knowledge Management (CIKM 2021), pp. 3428-3432, in Virtual Conference, November 2021. (BK Plus Computer Science IF=3) [LINK]
28.Hyewon Choi and Youngjoong Ko. Using Topic Modeling and Adversarial Neural Networks for Fake News Video Detection. Proceedings of the 30th ACM International Conference on Information and Knowledge Management (CIKM 2021), pp. 2950-2954, in Virtual Conference, November 2021. (BK Plus Computer Science IF=3) [LINK]
27.Janghoon Han, Taesuk Hong, Byoungjae Kim, Youngjoong Ko and Jungyun Seo. Fine-grained Post-training for Improving Retrieval-based Dialogue Systems. Proceedings of 2021 Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL 2021), pp. 1549-1558, in Mexico City, Mexico, June 2021. (BK Plus Computer Science IF=2) [LINK]
26.Gihwan Kim and Youngjoong Ko. Graph-based Fake News Detection using a Summarization Technique. Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2021), pp. 3276-3280, in Virtual Conference, April 2021. (BK Plus Computer Science IF=2) [LINK]
25.Bosung Kim, Juae Kim, Youngjoong Ko and Jungyun Seo. Commonsense Knowledge Augmentation for Low-Resource Languages via Adversarial Learning. Proceedings of the Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI 2021), pp. 6393-6401, Vol. 35, No. 7, February 2021. (BK Plus Computer Science IF=4) [LINK]
24.Byoungjae Kim, Inkwon Lee, Yeonseok Jeong, Youngjoong Ko, Myoung-Wan Koo and Jungyun Seo. Improving Multimodal API Prediction via Adding Dialog State and Various Multimodal Gates. Proceedings of the DSTC9 Workshop in the Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI 2021), in Virtual Conference, February 2021. [LINK]
23.Younghoon Jeong, Sejin Lee, Youngjoong Ko and Jungyun Seo. TOMM: End-to-End Task-Oriented Multi-Modal Dialgue System with GPT-2. Proceedings of the DSTC9 Workshop in the Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI 2021), in Virtual Conference, February 2021. [LINK]
22.Bosung Kim, Taesuk Hong, Youngjoong Ko and Jungyun Seo. Multi-Task Learning for Knowledge Graph Completion with Pre-trained Language Models. Proceedings of the 28th International Conference on Computational Linguistics (COLING 2020), pp. 1737-1743, in Virtual Conference, December 2020. (BK Plus Computer Science IF=2) [LINK]
21.Dongsuk O, Sunjae Kwon, Kyungsun Kim and Youngjoong Ko. Word Sense Disambiguation Based on Word Similarity Calculation Using Word Vector Representation from a Knowledge-based Graph. Proceedings of the 27th International Conference on Computational Linguistics (COLING 2018), pp. 2704-2714, in Santa Fe, New-Mexico, USA, August 2018. (BK Plus Computer Science IF=2) [LINK]
20.Juae Kim, Soonjae Kwon, Youngjoong Ko and Jungyun Seo. A Method to Generate a Machine-labeled Data for Biomedical Named Entity Recognition with Various Sub-Domains. Proceedings of International Workshop on Digital Disease Detection Using Social Media (IJCNLP 2017), pp. 47-51, in Taiwan, November 2017. [LINK]
19.Soonjae Kwon, Youngjoong Ko and Jungyun Seo. A Robust Named-Entity Recognition System Using Syllable Bigram Embedding with Eojeol Prefix Information. Proceedings of the 26th ACM International Conference on Information and Knowledge Management (CIKM 2017), pp. 2139-2142, in Singapore, November 2017. (BK Plus Computer Science IF=3) [LINK]
18.Changsu Lee, Youngjoong Ko and Jungyun Seo. A Simultaneous Recognition Framework for the Spoken Language Understanding Module of Intelligent Personal Assistant Software on Smart Phones. Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics (ACL 2015), pp. 818-822, in Beijing, China, July 2015. (BK Plus Computer Science IF=4) [LINK]
17.Kyoungman Bae and Youngjoong Ko. An Effective Question Expanding Method for Question Classification in cQA services. Proceedings of the 7th Workshop for Ph.D Students at CIKM 2014, pp. 51-55, in Shanghai, China, Nov. 2014. [LINK]
16.Kyoungman Bae and Youngjoong Ko. An Effective Category Classification Method Based on a Language Model for Question Category Recommendation on a cQA service. Proceedings of the 21st ACM International Conference on Information and Knowledge Management (CIKM 2012), pp. 2255-2258, in Maui Hawaii, USA, Oct-Nov. 2012. (BK Plus Computer Science IF=3) [LINK]
15.Shinil Kim, Seon Yang and Youngjoong Ko. Mathematical Equation Retrieval Using Plain Words as a Query. Proceedings of the 21st ACM International Conference on Information and Knowledge Management (CIKM 2012), pp. 2407-2410, in Maui Hawaii, USA, Oct-Nov. 2012. (BK Plus Computer Science IF=3) [LINK]
14.Youngjoong Ko. A Study of Term Weighting Schemes Using Class Information for Text Classification. Proceedings of the 35th Annual International ACM SIGIR Conference (SIGIR 2012), pp. 1029-1030, in Portland Oregon, USA, August 2012. (BK Plus Computer Science IF=4) [LINK]
13.Seon Yang and Youngjoong Ko. Extracting Comparative Entities and Predicates from Texts Using Comparative Type Classification. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies (ACL-HLT 2011), pp. 1636-1644, in Portland Oregon, USA, June, 2011. (BK Plus Computer Science IF=4) [LINK]
12.Seon Yang and Youngjoong Ko. Extracting Comparative Sentences from Korean Text Documents Using Comparative Lexical Patterns and Machine Learning Techniques. Proceedings of Joint Conference of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing of the Asian Federation of Natural Language Processing, (ACL-IJCNLP 2009), pp. 153-156, in Singapore, August, 2009. (BK Plus Computer Science IF=4) [LINK]
11.Sangwoo Kang, Youngjoong Ko and Jungyun Seo. A Plan-based Dialogue Model Using a Discourse Stack for Intelligent Human-Robot Interface Development. Proceedings of the 7th International Conference on Advanced Language Processing and Web Information Technology (ALPIT 2008), pp. 162-167, in Dalian, Liaoning, China, July 2008. [LINK]
10.Youngjoong Ko, Hongkuk An and Jungyun Seo. An Effective Snippet Generation Method Using the Pseudo Relevance Feedback Technique. Proceedings of the 30th Annual International ACM SIGIR Conference (SIGIR 2007), pp. 711-712, in Amsterdam, The Netherlands, July 2007. (BK Plus Computer Science IF=4) [LINK]
9.Sangwoo Kang, Youngjoong Ko and Jungyun Seo . A Plan-based Model for Efficient Response Generation in Dialogue User Interface. The 3rd CIR-COE Joint Workshop On Robot Technologies for Human-Robot Coexistence, in KIST, Seoul, Korea, September 2006.
8.Hyoungdong Han, Youngjoong Ko and Jungyun Seo. Improving Binary Text Classification Using the EM Algorithm. Proceedings of Asian Information Retrieval Symposium (AIRS 2004), pp. 325-328, in Beijing, China, October 2004. [LINK]
7.Youngjoong Ko and Jungyun Seo. Learning with Unlabeled Data for Text Categorization Using a Bootstrapping and a Feature Projection Technique. Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics (ACL 2004), pp. 255-262, in Barcelona, Spain, July 2004. (BK Plus Computer Science IF=4) [LINK]
6.Youngjoong Ko and Jungyun Seo. Text Categorization Using Feature Projections. Proceedings of the 19th International Conference on Computational Linguistics (COLING 2002), pp. 467-473, in Taipei, Taiwan, August 2002. (BK Plus Computer Science IF=2) [LINK]
5.Youngjoong Ko, Jinwoo Park and Jungyun Seo. Automatic Text Categorization using the Importance of Sentences. Proceedings of the 19th International Conference on Computational Linguistics (COLING 2002), pp. 474-480, in Taipei, Taiwan, August 2002. (BK Plus Computer Science IF=2) [LINK]
4.Choong-Nyoung Seon, Youngjoong Ko, Jeong-Seok Kim and Jungyun Seo. Named Entity Recognition using Machine Learning Methods and Pattern-Selection Rules. Proceedings of 6th Natural Language Processing Pacific Rim Symposium (NLPRS 2001), pp. 229-236, in Tokyo, Japan, November 2001. [LINK]
3.Youngjoong Ko and Jungyun Seo. Automatic Text Categorization by Unsupervised Learning. Proceedings of the 18th International Conference on Computational Linguistics (COLING 2000), pp. 453-459, in Saarbrucken, Germany, July 2000. (BK Plus Computer Science IF=2) [LINK]
2.Youngjoong Ko, Sooyong Park and Jungyun Seo. Web-based Requirements Elicitation Supporting System Using Requirements Categorization. Proceedings of Twelfth International Conference on Software Engineering and Knowledge Engineering (SEKE 2000), pp. 344-351, in Chicago, USA, July 2000. (SCOPUS) [LINK]
1.Harksoo Kim, Youngjoong Ko, Sooyong Park and Jungyun Seo. Informal Requirements Analysis Supporting System for Human Engineer. Proceedings of Conference on IEEE SMC99 (IEEE SMC 1999), Vol.3, pp. 1013-1018, in Tokyo JAPAN, October 1999. (SCOPUS) [LINK]

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Refereed Domestic Journal Papers


42.Honghee Lee and Youngjoong Ko. Multi-task Learning Based Re-ranker for External Knowledge Retrieval in Document-grounded Dialogue systems (문서 기반 대화 시스템의 외부 지식 검색을 위한 다중 작업 학습 기반 재순위화 모델). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 50, No. 7, pp. 606-613, July 2023. (ISSN 2383-630X) [DBpia]
41.Dooyoung Kim and Youngjoong Ko. Video Retrieval System using One-to-one Relation between Clip-Sentence Sequence (클립-문장열의 일대일대응 관계를 이용한 동영상 검색 시스템). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 50, No. 6, pp. 476-483, June 2023. (ISSN 2383-630X) [DBpia]
40.Junhee Cho and Youngjoong Ko. Structuralized External Knowledge and Multi-task Learning for Knowledge Selection (외부 지식의 정형화와 멀티 태스크 학습을 통한 지식 선택 모델). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 49, No. 10, pp. 884-890, October 2022. (ISSN 2383-630X) [DBpia]
39.Haeun Yu and Youngjoong Ko. Entity Graph Based Dialogue State Tracking Model with Data Collection and Augmentation for Spoken Conversation (데이터 생성 및 증강 기반의 개체 그래프를 활용한 음성 대화용 대화 상태 추적 모델). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 49, No. 10, pp. 891-897, October 2022. (ISSN 2383-630X) [DBpia]
38.Janghoon Han, Youngjoong Ko and Jungyun Seo. External Knowledge Incorporated BERT for Retrieval-based Dialogue System (외부 지식이 반영된 BERT를 활용한 검색 기반 대화 시스템). Journal of KIISE Transactions on Computing Practices, Vol. 27, No. 12, pp. 549-554, December 2021. (ISSN 2383-6318) [DBpia]
37.Daesik Jang and Youngjoong Ko. Knowledge Graph Completion using Hyper-class Informative and Pre-trained Language Model (상위 클래스 정보와 사전 학습된 언어 모델을 이용한 지식 그래프 완성 모델). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 48, No. 11, pp. 1228-1234, November 2021. (ISSN 2383-630X) [DBpia]
36.Gihwan Kim and Youngjoong Ko. Query-based Abstractive Summarization Model Using Sentence Ranking Scores and Graph Techniques (문장 랭킹 스코어와 그래프 기법을 사용한 질의 기반 생성 요약 모델). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 47, No. 12, pp. 1172-1180, December 2020. (ISSN 2383-630X) [DBpia]
35. Jaehyun An and Youngjoong Ko. Semi-automatic Expansion for a Chatting Corpus Based on a K-means Clustering Method And Similarity Measure (K-means 클러스터링 방법과 유사도 측정 기반의 채팅 말뭉치 반자동 확장 방법). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 46, No. 5, pp. 440-447, May 2019. (ISSN 2383-630X) [DBpia]
34. Hongyun Yoo, Seunwoo Lee and Youngjoon Ko. Incremental Clustering and Multi-Document Summarization for Issue Analysis based on Real-time News (실시간 뉴스 기반의 이슈 분석을 위한 점증적 군집화 및 다중 문서 요약). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 46, No. 4, pp. 355-362, April 2019. (ISSN 2383-630X) [DBpia]
33. Jungmin Yoon and Youngjoong Ko. Speech-act Analysis System Based on Dialogue Level RNN-CNN Effective on the Exposure Bias problem (노출 편향 문제에 효과적인 대화 단위 RNN-CNN 기반의 화행 분석 시스템). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 45, No. 9, pp. 911-917, September 2018. (ISSN 2383-630X) [DBpia]
32. Jaehyun An and Youngjoong Ko. Korean Dependency Parser Using Dependency Relation Tag Distribution (의존 관계명 태그 분포를 이용한 한국어 의존 구문 분석). Journal of KIISE Transactions on Computing Practices, Vol. 24, No. 9, pp. 487-492, September 2018. (ISSN 2383-6318) [DBpia]
31. Yoojin Jeong, Juae Kim, Youngjoong Ko and Jungyun Seo. A Named Entity Recognition Training Method Using Bagging Based Bootstrapping (배깅 기반의 부트스트래핑을 이용한 개체명 인식 학습 기법). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 45, No. 8, pp. 825-830, August 2018. (ISSN 2383-630X) [DBpia]
30. Hokyung Lee, Jaehyun An, Jungmin Yoon, Kyoungman Bae and Youngjoong Ko. A Method of Solving Entity Linking Ambiguity and NIL Entity Recognition for efficient Entity Linking based on Wikipedia (위키피디아 기반의 효과적인 개체 링킹을 위한 NIL 개체 인식과 개체 연결 중의성 해소 방법). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 44, No. 8, pp. 813-821, August 2017. (ISSN 2383-630X) [DBpia]
29. Hongyun Yoo and Youngjoong Ko. The Expansion of Word Representation for Named Entity Recognition Based on Bidirectional LSTM CRFs (Bidirectional LSTM CRF 기반의 개체명 인식을 위한 단어 표상의 확장). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 44, No. 3, pp. 306-313, March 2017. (ISSN 2383-630X) [DBpia]
28.Hokyung Lee, Seon Yang and Youngjoong Ko. Feature Expansion based on LDA Word Distribution for Performance Improvement of Informal Document Classification (비격식 문서 분류 성능 개선을 위한 LDA 단어 분포 기반의 자질 확장). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 43, No. 9, pp. 1008-1014, September 2016. (ISSN 2383-630X) [DBpia]
27. Kyoungman Bae, Sungho Kim, Juryong Cheon and Youngjoong Ko. Constructing language resources based on the Wikipedia for the semantic analysis (위키피디아 기반의 의미분석을 위한 언어 자원 구축). Communications of KIISE, Vol. 34, No. 8, pp. 30-36, August 2016. (ISSN 1229-6821) [DBpia]
26.Namhoon Song, Kyoungman Bae and Youngjoong Ko. Effective Korean Speech-act Classification Using a Classification Priority Application and a Post-correction Rule (분류 우선순위 적용과 후보정 규칙을 이용한 효과적인 한국어 화행 분류). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 43, No. 1, pp. 80-86, January 2016. (ISSN 2383-630X) [DBpia]
25. Juryong Cheon and Youngjoong Ko. Building a Korean-English Parallel Corpus by the Measurement of Sentence Similarities Using the Sequential Matching of Language Resources and Topic Modeling (언어 자원과 토픽 모델의 순차 매칭을 이용한 유사 문장 계산 기반의 위키피디아 한국어-영어 병렬 말뭉치 구축). Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 42, No. 7, pp. 901-909, July 2015. (ISSN 2383-630X) [DBpia]
24.Sunghyun Kim, Seon Yang and Youngjoong Ko. Extracting Korean-English Parallel Sentences from Wikipedia (위키피디아로부터 한국어-영어 병렬 문장 추출). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 41, No. 8, pp. 580-585, August 2014. (ISSN 1229-6848) [DBpia]
23.Changsu Lee and Youngjoong Ko. A Simultaneous Recognition Method of Named Entities and Objects for the Language Understanding Module of a Dialogue-based Private Secretary System (대화형 개인 비서 시스템의 언어 인식 모듈을 위한 개체명 및 문장목적 동시 인식 방법). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 41, No. 4, pp. 295-301, April 2014. (ISSN 1229-6848) [DBpia]
22.Kyoungman Bae, Sunghyun Kim, Youngjoong Ko and Jonghoon Kim. An Efficient Named Entity and Topic Word Recognition Method Based on Named Entity Pattern in a Natural Language Interface (자연어 기반 인터페이스에서 개체명 패턴을 이용한 효과적인 개체명과 주제어 인식 방법). Journal of Korean Institute of Information Technology (KIIT), Vol. 12, No. 1, pp. 121-130, January 2014. (ISSN 1598-8619) [DBpia]
21.Kyoungman Bae, Youngjoong Ko and Jonghoon Kim. A Topic Classification Method Based on a Language Model Using the Structural Features of the Question-Answer Pair on cQA (커뮤니티 기반의 질의 응답서비스(cQA)에서 질문-응답 쌍의 구조적 특징을 이용한 언어 모델 기반의 주제 분류 기법). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 39, No. 8, pp. 664-671, August 2012. (ISSN 1229-6848) [DBpia]
20.Seon Yang and Youngjoong Ko. Extracting Comparative Elements for Korean Comparison Mining (한국어 비교 마이닝을 위한 비교 요소 자동 추출). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 38, No. 12, pp. 689-696, December 2011. (ISSN 1229-6848) [DBpia]
19.Sungho Kim, Sangjun Bae and Youngjoong Ko. Word Sense Disambiguation and Feature Extraction for Query Expansion Method based on Korean Wikipedia. (한국어 위키피디아 기반 질의어 중의성 해소 및 확장 자질 추출 기법) Journal of Korean Institute of Information Scientists and Engineers (KIISE): Computing Practices and Letters, Vol. 17, No. 3, pp. 185-189, March 2011. (ISSN 1229-7712) [DBpia]
18.Yonghyun Park, Jaewon Hwang and Youngjoong Ko. Korean Noun Extractor using Occurrence Patterns of Nouns and Post-noun Morpheme Sequences (한국어 명사 출현 특성과 후절어를 이용한 명사 추출기). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 12, pp. 919-927, December 2010. (ISSN 1229-6848) [DBpia]
17.Shinil Kim, Seon Yang and Youngjoong Ko. A Word Spacing System based on Syllable Patterns for Memory-constrained Devices (메모리 제약적 기기를 위한 음절 패턴 기반 띄어쓰기 시스템). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 8, pp. 653-658, August 2010. (ISSN 1229-6848) [DBpia]
16.Sangjun Bae and Youngjoong Ko. Automatic Construction of Class Hierarchies and Named Entity Dictionaries using Korean Wikipedia (한국어 위키피디아를 이용한 분류체계 생성과 개체명 사전 자동 구축). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Computing Practices and Letters, Vol. 16, No. 4, pp. 492-496, April 2010. (ISSN 1229-7712) [DBpia]
15.Jaewon Hwang and Youngjoong Ko. A Korean Document Sentiment Classification System based on Semantic Properties of Sentiment Words (감정 단어의 의미적 특성을 반영한 한국어 문서 감정분류 시스템). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 4, pp. 317-322, April 2010. (ISSN 1229-6848) [DBpia]
14.Kyoungman Bae, Jaewon Hwang, Youngjoong Ko and Jonghoon Kim. A Search-Result Clustering Method based on Word Clustering for Effective Browsing of the Paper Retrieval Results (논문 검색 결과의 효과적인 브라우징을 위한 단어 군집화 기반의 결과 내 군집화 기법). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 3, pp. 139-146, March 2010. (ISSN 1229-6848) [DBpia]
13.Seon Yang and Youngjoong Ko. Transformation-based Learning for Korean Comparative Sentence Classification (한국어 비교 문장 유형 분류를 위한 변환 기반 학습 기법). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 2, pp. 155-160, February 2010. (ISSN 1229-6848) [DBpia]
12.Jaewon Hwang and Youngjoong Ko. A Document Sentiment Classification System Based on the Feature Weighting Method Improved by Measuring Sentence Sentiment Intensity (문장 감정 강도를 반영한 개선된 자질 가중치 기법 기반의 문서 감정 분류 시스템). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 36, No. 6, pp. 491-497, June 2009. (ISSN 1229-6848) [DBpia]
11.Jaewon Hwang and Youngjoong Ko. A Korean Emotion Features Extraction Method and their Availability Evaluation for Sentiment Classification (감정 분류를 위한 한국어 감정 자질 추출 기법과 감정 자질의 유용성 평가). Korean Journal of Cognitive Science, Vol. 19, No. 4, pp. 499-517, December 2008. (ISSN 1226-4067) [DBpia]
10.Sangjoon Bae and Youngjoong Ko. The Set Expansion System Using the Mutual Importance Measurement Method to Automatically Build up Named Entity Domain Dictionaries (영역별 개체명 사전 자동 구축을 위한 상호 중요도 계산 기법 기반의 집합 확장 시스템). Korean Journal of Cognitive Science, Vol. 19, No. 4, pp. 443-458, December 2008. (ISSN 1226-4067) [DBpia]
9.Sangwoo Kang, Youngjoong Ko and Jungyun Seo. Using Plan Recognition and a Discourse Stack for Effective Response Generation in a Dialogue System (대화 시스템을 위한 계획 인식과 담화 스택을 이용한 효과적인 응답 생성). Korean Journal of Cognitive Science, Vol. 19, No. 2, pp. 107-124, June 2008. (ISSN 1226-4067) [DBpia]
8.Youngjoong Ko and Jungyun Seo. Automatic Text Categorization Based on Semi-Supervised Learning (준지도 학습 기반의 자동 문서 범주화). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 35, No 5, pp. 325-334, May 2008. (ISSN 1229-6848) [DBpia]
7.Jaewon Hwang and Youngjoong Ko. A Korean Sentence and Document Sentiment Classification System Using Sentiment Features (감정 자질을 이용한 한국어 문장 및 문서 감정 분류 시스템). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Computing Practices and Letters, Vol. 14, No. 3, pp. 336-340, May 2008. (ISSN 1229-7712) [DBpia]
6.Wonil Kim, Youngjoong Ko and Jungyun Seo. An Effective Adaptive Dialogue Strategy Using Reinforcement Learning (강화 학습법을 이용한 효과적인 적응형 대화 전략). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 35, No. 1, pp. 33-40, January 2008. (ISSN 1229-6848) [DBpia]
5.Hyoungdong Han, Youngjoong Ko and Jungyun Seo. A Text Categorization Method Improved by Removing Noisy Training Documents (오류 학습 문서 제거를 통한 문서 범주화 기법의 성능 향상). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 32, No. 9, pp. 912-919, September 2005. (ISSN 1229-6848) [DBpia]
4.Youngjoong Ko and Jungyun Seo. Text Classification Based on the Feature Projection Technique with Robustness from Noisy Data (오류 데이타에 강한 자질 투영법 기반의 문서 범주화 기법). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 31, No. 4, pp. 143-149, April 2004. (ISSN 1229-6848) [DBpia]
3.Youngjoong Ko, Jinwoo Park and Jungyun Seo. Improving Text Categorization by Text Summarization Techniques (문장 중요도를 이용한 자동 문서 범주화). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 29, No. 5-6, pp. 417-424, June 2002. (ISSN 1229-6848) [DBpia]
2.Youngjoong Ko, Kisun Kang, Jaeseon Kim, Sooyoung Park and Jungyun Seo. Web-based Requirements Elicitation Supporting System using Requirements Sentences Categorization (요구 사항 문장 범주화를 이용한 웹 기반의 요구 사항 추출 지원 시스템). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 27, No. 4, pp. 384-392, April 2000. (ISSN 1229-6848) [DBpia]
1.Harksoo Kim, Youngjoong Ko, Sooyong Park and Jungyun Seo. An Efficient Analysis Method for User Requirements by Similarity Measure Techniques (유사도 측정 기법을 이용한 효율적인 요구 분석 지원 시스템의 구현). Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 27, No. 1, pp. 13-23, January 2000. (ISSN 1229-6848) [DBpia]

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Refereed Domestic Conference Papers


78.Jinyoung Kim, Bonggeun Choi and Youngjoong Ko. Speech-Act Classification Using a Pretrained Language Model and Graph Attention Network (Pretrained Language Model과 Graph Attention Network를 이용한 화행분석). Proceedings of Korea Software Congress 2022 (KSC 2022), pp. 383-385, December 2022. [DBpia]
77.Hyunmook Cha, Bonggeun Choi and Youngjoong Ko. Korean Semantic Role Labeling by Constructing Eojeol Embedding based on BERT (BERT 기반 어절 임베딩 구축과 이를 활용한 한국어 의미역 결정). Proceedings of Korea Software Congress 2022 (KSC 2022), pp. 1430-1432, December 2022. (Best Paper Award) [DBpia]
76.Keunha Kim, Bonggeun Choi and Youngjoong Ko. Dependency Parsing with BERT based on Wordpiece (BERT를 이용한 Wordpiece 토큰 기반의 의존 구문 분석). Proceedings of Korea Software Congress 2022 (KSC 2022), pp. 1436-1438, December 2022. [DBpia]
75.Haeun Lee, Bonggeun Choi and Youngjoong Ko. Prompt-based Named Entity Recognition using Named Entity Clue Dictionary (프롬프트 기반 개체명 단서 사전을 활용한 개체명 인식). Proceedings of Korea Software Congress 2022 (KSC 2022), pp. 1427-1429, December 2022.(Best Paper Award) [DBpia]
74.Hyewon Choi, Daesik Jang, DongCheol Son, Seungwook Lee and Youngjoong Ko. Adaptive Context-sensitive Spelling Error Correction System Based on Self-attention for Social Network Service Chatting Data (SNS 채팅 데이터에 적응적인 Self-Attention 기반 문맥의존 철자오류 교정 시스템). Proceedings of the 31th Annual Conference on Human and Cognitive Language Technology (HCLT 2019), pp. 362-367, September 2019. [KoreaScience]
73.Chanmin Park, Yeongjoon Park, Youngjoong Ko and Jungyun Seo. Semantic Role Laleling Using the Korean ELMo Embedding (한국어 ELMo 임베딩을 이용한 의미역 결정). Proceedings of Korea Computer Congress (KCC 2019), pp. 608-610, June 2019. [DBpia]
72.Yeoungjoon Park, Minyeong Seo, Juae Kim, Youngjoong Ko and Jungyun Seo. Hierarchical SVM Classifier using Bootstrapping for Domain Expansion in Analysis of Speech Act (화행 분석의 도메인 확장을 위한 부트스트래핑 기법이 적용된 계층적 SVM 분류기). Proceedings of Korea Software Congress 2018 (KSC 2018), pp. 602-604, December 2018. [KoreaScience]
71.Yongsin Park and Youngjoong Ko. CNN Based Speech-act Classification Using Sentence Types and Modalities (문장 유형과 양태 정보를 이용한 합성곱 신경망 기반의 대화체 발화 화행 분석). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 642-648, October 2018. [KoreaScience]
70. Seon Yang, Heymin Kim and Youngjoong Ko. Performance Improvement of Mathematical Formula Retrieval Using Two Different Kinds of Embedding (두 종류의 임베딩을 이용한 수식 검색 성능 개선). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 616-622, October 2018. [KoreaScience]
69.Hyemin Kim, Seon Yang and Youngjoong Ko. Effective Korean POS Tagging for Typing Errors Using the Concatenation of Jamo and Syllable Embedding (자모 및 음절 임베딩 결합을 이용한 오타에 효과적인 한국어 형태소 분석). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 574-579, October 2018. [KoreaScience]
68Guanghao Xu, Youngjoong Ko and Jungyun Seo. Expanding Korean/English Parallel Corpora Using Back-translation for Neural Machine Translation (신경망 기반 기계 번역을 위한 역-번역을 이용한 한영 병렬 코퍼스 확장). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 470-473, October 2018. [KoreaScience]
67. Bosung Kim, Juae Kim, Jeongeom Lee, Seona Kim, Youngjoong Ko and Jungyun Seo. An Effective Sentence Similarity Measure Method Based FAQ System Using Self-Attentive Sentence Embedding (Self-Attention 기반의 문장 임베딩을 이용한 효과적인 문장 유사도 기법 기반의 FAQ 시스템). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 361-363, October 2018. [KoreaScience]
66.Jeongmin Yoon and Youngjoong Ko. A Joint Learning Model for Speech-act Analysis and Slot Filling Using Bidirectional GRU-CRF Based on Attention Mechanism (주의집중 메커니즘 기반의 양방향 GRU-CRF를 이용한 화행 분석과 슬롯 필링 공동 학습 모델). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 252-255, October 2018. [KoreaScience]
65.Minyeong Seo, Taesuk Hong, Juae Kim, Youngjoong Ko and Jungyun Seo. Hierarchical Attention Based CNN-RNN Networks for the Korean Speech-act Analysis (계층 구조 어텐션 매커니즘에 기반한 CNN-RNN을 이용한 한국어 화행 분석 시스템). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 243-246, October 2018. [KoreaScience]
64.Gihwan Kim, Jisu Seo, Kyungyeol Lee and Youngjoong Ko. Multi-class Classification System Based on Multi-loss Linear Combination for Word Spacing and Sentence Boundary Detection (띄어쓰기 및 문장 경계 인식을 위한 다중 손실 선형 결합 기반의 다중 클래스 분류 시스템). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 185-188, October 2018. [KoreaScience]
63.Hongyeon Yu, Seungwoo Lee and Youngjoong Ko. News Clustering and Multi-Document Summarization for Real-time Issue Analysis (실시간 이슈 분석을 위한 뉴스 군집화 및 다중 문서 요약). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 132-140, October 2018. (Best Paper Award) [KoreaScience]
62.Hongyeon Yu, Seungwoo Lee and Youngjoong Ko. Summarization Based Multi-news Title Extraction Using Term Relevance Estimation and Byte Pair Encoding (단어 관련성 추정과 바이트 페어 인코딩(Byte Pair Encoding)을 이용한 요약 기반 다중 뉴스 기사 제목 추출). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 115-119, October 2018. [KoreaScience]
61.Jaehyun An and Youngjoong Ko. Semi-automatic Expansion for a Chatting Corpus Based on Similarity Measure Using Utterance Embedding by CNN (합성곱 신경망에 의한 발화 임베딩을 사용한 유사도 측정 기반의 채팅 말뭉치 반자동 확장 방법). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 95-100, October 2018. (Best Paper Award) [KoreaScience]
60.Seungwook Lee, Hongyeon Yu and Youngjoong Ko. Deep Learning Based Causal Relation Extraction with Expansion of Training Data (학습 데이터 확장을 통한 딥러닝 기반 인과관계 추출 모델). Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 61-68, October 2018. [KoreaScience]
59.Jungmin Yoon and Youngjoong Ko. The Korean Speech-Act Analysis System Based on RNN-CNN for Speech-Act Analysis of Dialogue Level (노출 편향 문제에 효과적인 대화 단위 RNN-CNN 기반의 화행 분석 시스템). Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 643-645, December 2017. (Best Paper Award) [DBpia]
58.Hongyeon Yoo and Youngjoong Ko. Economical Sentence Classification Using the Information of N-gram Sentences Based on Topic Matching Measure (주제 일치도 기반의 N-gram 문장 정보를 이용한 경제 분야 문장 분류). Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 622-624, December 2017. [DBpia]
57.Jaehyun An and Youngjoong Ko. The Korean Dependency Parser for Pointer Networks based on Multi-task learning and Relation Label Distribution of Syllables (음절 단위 태그 분포와 멀티 태스크 학습 기반 포인터 네트워크를 이용한 한국어 의존 구문 분석). Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 613-615, December 2017. (Best Presentation Paper Award) [DBpia]
56.Hyemin Kim, Seon Yang and Youngjoong Ko. Memory and Time Optimization through Reduction of Pre-analyzed Eojeol Dictionaries in Korean POS Analysis (기분석 어절사전 축소를 통한 한국어 형태소 분석에서의 메모리 및 수행 시간 최적화). Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 646-648, December 2017. [DBpia]
55.Yoojin Jeong, Juae Kim, Youngjoong Ko and Jungyun Seo. Bagging Based Bootstrapping Method to Improve Named Entity Recognition (개체명 인식 성능 향상을 위한 배깅 기반의 부트스트래핑 기법). Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 631-633, December 2017. (Best Paper Award) [DBpia]
54.Hongsun Yeom, Youngjoong Ko and Jungyun Seo. User Utterance's Intent Detection in Dialogue System with Syllable Embedding Using Convolutional Neural Network (합성곱 신경망을 이용한 음절 표상의 학습을 통한 대화 시스템의 사용자 발화 의도 분석). Proceedings of Korea Computer Congress 2017 (KCC 2017), pp. 618-620, June 2017. [DBpia]
53.Juae Kim, Hongsun Yeom, Youngjoong Ko and Jungyun Seo. How to Utilize Named Entity Analysis to Improve Sentiment Analysis (감정분석 성능 향상을 위한 개체명 인식 활용 방법). Proceedings of Conference on Korea Cognitive Science Society, May 2017.
52.Hongyeon Yu and Youngjoong Ko. Car Manual Analysis for Constructing a Causal Relation Annotated Corpus (인과관계 말뭉치 구축을 위한 자동차 취급 설명서 분석). Proceedings of Conference on Korea Cognitive Science Society, May 2017.
51. Jungmin Yoon and Youngjoong Ko. A Semantic Role Labeling Model based on Bi-LSTM-CRFs using Expanded Word Representation by SRL Label Distribution of Syllable (음절 의미역 태그 분포를 이용한 입력 벡터 확장을 통한 Bi-LSTM-CRFs 기반의 의미역 결정 모델). Proceedings of Conference on Korea Cognitive Science Society, May 2017.
50.Hyemin Kim, Jungmin Yoon, Jaehyun An, Kyoungman Bae and Youngjoong Ko. Syllable-based Korean POS Tagging using POS Distribution and Bidirectional LSTM CRFs (품사 분포와 Bidirectional LSTM CRFs를 이용한 음절 단위 형태소 분석기). Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology (HCLT 2016), pp. 3-8, October 2016. [KoreaScience]
49.Hongyeon Yu and Youngjoong Ko. Named Entity Recognition Using Bidirectional LSTM CRFs Based on the POS Tag Embedding and the Named Entity Distribution of Syllables (품사 임베딩과 음절 단위 개체명 분포 기반의 Bidirectional LSTM CRFs를 이용한 개체명 인식). Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology (HCLT 2016), pp. 105-110, October 2016. (Best Paper Award) [KoreaScience]
48.Jaehyun An, Hokyung Lee and Youngjoong Ko. Korean Dependency Relation Labeling Using Bidirectional LSTM CRFs Based on the Dependency Path and the Dependency Relation Label Distribution of Syllables (의존 경로와 음절단위 의존 관계명 분포 기반의 Bidirectional LSTM CRFs를 이용한 한국어 의존 관계명 레이블링). Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology (HCLT 2016), pp. 14-19, October 2016. [KoreaScience]
47.Hokyung Lee, Kyoungman Bae and Youngjoong Ko. A Similarity-based Dialogue Modeling with Case Frame and Word Embedding (격틀과 워드 임베딩을 활용한 유사도 기반 대화 모델링). Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology (HCLT 2016), pp. 220-225, October 2016. [KoreaScience]
46.Jungmin Yoon, Kyoungman Bae and Youngjoong Ko. Korean Semantic Role Labeling Based on Bidirectional LSTM CRFs Using the Semantic Label Distribution of Syllables (음절의 의미역 태그 분포를 이용한 Bidirectional LSTM CRFs 기반의 한국어 의미역 결정). Proceedings of the th Annual Conference on Human and Cognitive Language Technology (HCLT 2016), pp. 324-332, October 2016. [KoreaScience]
45.Juryong Cheon and Youngjoong Ko. Improving Query Translation by Extracting Parallel Sentences from Wikipedia for Cross-Language Information Retrieval (위키피디아로부터의 자동 병렬 문장 추출 기법을 이용한 영어-한국어 교차언어 정보검색의 번역 성능 개선). Proceedings of the 27th Annual Conference on Human and Cognitive Language Technology (HCLT 2015), pp. 35-40, October 2015. (Best Paper Award) [KoreaScience]
44.Jungmin Yoon, Jaewon Hwang and Youngjoong Ko. Semi-automatic Object-Action Extractor to Build the Utterance Corpus for the Dialogue System (대화 시스템의 말뭉치 구축을 위한 Object-Action 반자동 추출기). Proceedings of the 27th Annual Conference on Human and Cognitive Language Technology (HCLT 2015), pp. 220-223, October 2015. [KoreaScience]
43.Namhoon Song, Kyoungman Bae and Youngjoong Ko. Efficient Korean Speech-Act Classification Using a Classification Priority Application and a Post Correction Rule (분류 우선순위 적용과 후보정 규칙을 이용한 효과적인 한국어 화행 분류). Proceedings of Korea Computer Congress 2015 (KCC 2015), pp. 675-677 June 2015. (Best Paper Award) [KoreaScience]
42.Taehyun Kim, Chnagsu Lee, Jaewon Hwang and Youngjoong Ko. Automatic Acquisition of Korean Named Entity Annotated Corpus from Wikipedia (위키피디아를 이용한 개체명 부착 코퍼스 자동구축 및 중의성 해소). Proceedings of Korea Computer Congress 2015 (KCC 2015), pp. 745-747, June 2015. [DBpia]
41.Hokyung Lee, Seon Yang and Youngjoong Ko. A Twitter Users' Tendency Clustering Method Using LDA Word Distibutions for Complexity Reduction (계산량 감소를 위한 LDA 단어 분포를 이용한 트위터 사용자 성향 분류 기법). Proceedings of Winter Conference on Korean Institute of Information Scientists and Engineers (KIISE 2014), pp. 471-473, December 2014. [DBpia]
40.Juryong Cheon and Youngjoong Ko. Extracting Korean-English Parallel Sentences Based on the Measure of Sentences Similarity Using the Sequential Matching of Heterogeneous Language Resources (이질적인 언어 자원의 순차적 매칭을 이용한 문장 유사도 계산 기반의 위키피디아 한국어-영어 병렬 문장 추출 방법). Proceedings of the 26th Annual Conference on Human and Cognitive Language Technology (HCLT 2014), pp. 127-132, October 2014. (Best Paper Award) [KoreaScience]
39.Jaewon Hwang and Youngjoong Ko. Dual SMS SPAM Filtering: A Graph-based Feature Weighting Method (듀얼 SMS 스팸 필터링: 그래프 기반 자질 가중치 기법). Proceedings of the 26th Annual Conference on Human and Cognitive Language Technology (HCLT 2014), pp. 95-99, October 2014. [KoreaScience]
38.Seon Yang and Youngjoong Ko. Extracting Multi-type Elements Consisting of Multi-words from Sentences (문장으로부터 여러 단어로 구성된 여러 유형의 요소 추출). Proceedings of the 26th Annual Conference on Human and Cognitive Language Technology (HCLT 2014), pp. 73-77, October 2014. [KoreaScience]
37.Changsu Lee and Youngjoong Ko. An Out-of-vocabulary Processing Technology for the Spoken Language Understanding Module of a Dialogue Based Private Secretary Software (대화형 개인 비서 시스템의 언어 인식 모듈(SLU)을 위한 미등록어(OOV) 처리 기술). Proceedings of the 26th Annual Conference on Human and Cognitive Language Technology (HCLT 2014), pp. 3-8, October 2014. [KoreaScience]
36.Soonpil Jang, Youngmin Park, Sangwoo Kang, Myoungwan Koo, Jungyun Seo, Harksoo Kim and Youngjoong Ko. A Dialogue Platform for an Interactive Personal Assistant Software (대화형 개인 비서 소프트웨어를 위한 대화 플랫폼). Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers (KIISE 2010), pp. 572-574, November 2013. [DBpia]
35.Seon Yang and Youngjoong Ko. Reranking Search Results for mathematical Equation Retrieval Using Topic Models (토픽 모델을 이용한 수학식 검색 결과 재랭킹). Proceedings of the 25th Annual Conference on Human and Cognitive Language Technology (HCLT 2013), pp. 77-81, October 2013. [KoreaScience]
34.Changsu Lee and Youngjoong Ko. A Simultaneous Recognition Technology of Named Entities and Objects for a Dialogue Based Private Secretary Software (대화형 개인 비서 시스템을 위한 하이브리드 방식의 개체명 및 문장목적 동시 인식기술). Proceedings of the 25th Annual Conference on Human and Cognitive Language Technology (HCLT 2013), pp. 18-23, October 2013. (Best Paper Award) [KoreaScience]
33.Hokyung Lee, Juryong Chun, Namhoon Song and Youngjoong Ko. Analyzing ages, gender, location on Twitter Using LDA (LDA를 이용한 트윗 유저의 연령대, 성별, 지역 분석). Proceedings of the 25th Annual Conference on Human and Cognitive Language Technology (HCLT 2013), pp. 116-119, October 2013. [KoreaScience]
32.Junyoung Lee, Seon Yang and Youngjoong Ko. Mathematical Equation Retrieval by Converting Plaintext Queries into MathML Terms (평문 질의어 MathML 용어 변환을 이용한 수학식 검색). Proceedings of Korea Computer Congress 2012 (KCC 2012), Vol. 39, No. 1(B), pp. 312-314, June 2012. (Best Paper Award) [DBpia]
31.Sunghyun Kim, Kyoungman Bae and Youngjoong Ko. The Efficient Named Entity Extraction Method Based on Ontology in a Schedule and a Personal Information Management Domain (일정 및 개인정보 관리 영역에서 온톨로지 기반의 효과적인 개체명 추출 방법에 대한 연구). Proceedings of KIISE Symposium Ubiquitous Computing and Web Information Technology 2011 (UCWIT 2011), Vol. 5, No. 3, pp. 177-182, December 2011.
30.Seon Yang and Youngjoong Ko. Extracting Comparative Elements from Comparative Sentence (비교 문장으로부터 비교 요소 자동 추출). Proceedings of Korea Computer Congress 2011 (KCC 2011), Vol. 38, No. 1(A), pp. 225-228, June 2011. (Best Paper Award) [DBpia]
29.Shinil Kim, Seon Yang and Youngjoong Ko. A Mathematical Equation Retrieval System Based on Formula Patterns Expressed in Korean (한글화된 수식 패턴을 이용한 수학식 검색 시스템). Proceedings of Korea Computer Congress 2011 (KCC 2011), Vol. 38, No. 1(A), pp. 233-236, June 2011. [DBpia]
28.Sungho Kim, Sangjoon Bae and Youngjoong Ko. Ambiguity Resoluion and Expansion of Query using Wikipedian (위키피디아를 이용한 검색어의 중의성 해소 및 확장). Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers (KIISE 2010), Vol. 37, No. 2(A), pp. 46-47, November 2010. (Best Paper Award) [KoreaScience]
27.Jaewon Hwang, Yonghyun Park and Youngjoong Ko. The Effective Dialogue Modeling for Intelligent Companion Robot (지능형 말동무 로봇을 위한 효과적인 대화 모델링). Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers (KIISE 2010), Vol. 37, No. 2(A), pp. 44-45, November 2010. [DBpia]
26.Shinil Kim, Seon Yang and Youngjoong Ko. A Comparative Study on Feature Combination for MathML Formula Classification (MathML 수식 분류를 위한 자질 조합 비교 연구). Proceedings of the 22nd Annual Conference on Human and Cognitive Language Technology (HCLT 2010), pp. 37-41, October 2010. [DBpia]
25.Yonghyun Park, Jaewon Hwang and Youngjoong Ko. A Light-weighted Noun Extractor for Mobile Information Retrieval (모바일 정보 검색을 위한 경량화된 명사 추출기). Proceedings of KIISE Symposium Ubiquitous Computing and Web Information Technology (UCWIT 2009), Vol. 3, No. 2, pp. 167-171, December 2009.
24.Shinil Kim, Seon Yang and Youngjoong Ko. A Light-weighted Automatic Segmentation System Using Syllable Features (음절 자질 정보를 이용한 경량화된 자동 띄어쓰기 시스템). Proceedings of KIISE Symposium Ubiquitous Computing and Web Information Technology (UCWIT 2009), Vol. 3, No. 2, pp. 163-166, December 2009.
23.Sangjoon Bae and Youngjoong Ko. Automatic Construction of Korean Named Entity Dictionaries from Wikipedia (위키피디아로부터의 한국어 개체명 사전 자동 구축). Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers (KIISE 2009), Vol. 36, No. 2(A), pp. 78-79, November 2009. (Best Paper Award) [DBpia]
22.Jaewon Hwang and Youngjoong Ko. A Semantic Orientation Method of Sentiment Features Based on the General and Domain-Dependent Characteristics (일반적, 영역 의존적 특성을 반영한 감정 자질의 의미지향성 추정 방법). Proceedings of the 21st Annual Conference on Human and Cognitive Language Technology (HCLT 2009), pp. 155-159, October 2009. [KoreaScience]
21.Seon Yang and Youngjoong Ko. Classifying Korean Comparative Sentences Using Transformation-based Learning (변환 기반 학습을 이용한 한국어 비교 문장 유형 분류). Proceedings of the 21st Annual Conference on Human and Cognitive Language Technology (HCLT 2009), pp. 31-34, October 2009. (Best Paper Award) [KoreaScience]
20.Hyounil Jeong, Youngjoong Ko and Jungyun Seo. A News Article Summarization Method Using the Pseudo Relevance Feedback Technique (적합성 피드백을 이용한 신문 기사 요약 시스템). Proceedings of Korea Computer Congress 2009 (KCC 2009), Vol. 36, No. 1(B), pp. 101-104, July 2009. [DBpia]
19.Jaewon Hwang and Youngjoong Ko. A Weight Boosting Method of Sentiment Features for Korean Document Sentiment Classification (한국어 문서 감정분류를 위한 감정 자질 가중치 강화 기법). Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology (HCLT 2008), pp. 200-205, October 2008. [KoreaScience]
18.Seon Yang and Youngjoong Ko. Extracting Korean Comarative Sentences by Machine Learning Techniques (기계학습 기법을 이용한 한국어 비교 문장 추출). Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology (HCLT 2008), pp. 182-187, October 2008. [KoreaScience]
17.Sangjoon Bae and Youngjoong Ko. Automatic Named Entities Extraction Using the Graph-based Measurement Technique of the Mutual Importance (그래프 기반의 상호 중요도 측정 기법을 이용한 영역별 개체명 자동 추출). Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology (HCLT 2008), pp. 17-22, October 2008. (Best Paper Award) [KoreaScience]
16.Kyoungman Bae, Jongtak Back, Youngjoong Ko and Jonghoon Kim. An Automated FAQ Answering System Based on Sentence Normalization Using Korean Sentence Patterns (한국어 문형을 이용한 문장 정규화 기반의 FAQ 자동 응답 시스템). Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology (HCLT 2008), pp. 171-175, October 2008. [KoreaScience]
15.Sangwoo Kang, Hongmin Park, Youngjoong Ko and Jungyun Seo. The Corpus-based Dialogue System Using a Dialogue Transition Network and a Similarity Measure Method (유사도 계산과 대화 전이 네트워크를 이용한 말뭉치 기반 대화 시스템). Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology (HCLT 2008), pp. 161-165, October 2008. [KoreaScience]
14.Kyoungman Bae, Youngjoong Ko, Hoseop Choi and Jonghoon Kim. A Clustering Method Based on K-means Algorithm for Paper Search Results (논문 검색을 위한 K-means 알고리즘 기반의 검색 결과 내 Clustering). Proceedings of the 1st KIISE IT symposium, Vol. 1, No. 1, pp. 217-222, December 2007. [DBpia]
13.Jeawon Hwang and Youngjoong Ko. A Korean Sentiment Classification System Using Effective Emotion Features (효과적인 감정 자질을 이용한 한국어 문서 감정 분류 시스템). Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers (KIISE 2007), Vol. 34, No. 2, pp. 60-61, October 2007. (Best Paper Award) [KoreaScience]
12.Byoungwoo Kim and Youngjoong Ko. The Design and Implementation of an Information Retrieval System Using Lexico-Semantic Pattern and Ontology (어휘 의미 패턴(Lexico-Semantic Pattern)과 온톨로지를 이용한 정보검색기의 설계 및 구현). Proceedings of Conference on Human and Computer Interaction (HCI 2007), Vol. 1, pp. 957-962, February 2007. [ScienceOn]
11.Jeawon Hwang, Taegyun Jeon and Youngjoong Ko. A Sentiment Classification System Using Feature Extraction from Seed Words and Support Vector Machine (종자 어휘를 이용한 자질 추출과 지지 벡터 기계(SVM)을 이용한 문서 감정 분류 시스템의 개발). Proceedings of Conference on Human and Computer Interaction (HCI 2007), Vol. 1, pp. 938-942, February, 2007. [ScienceOn]
10.Hongguk An, Youngjoong Ko, Jungyun Seo. An Effective Snippet Generation Method Using Text Summarization Techniques Based on Pseudo Relevance Feedback (유사 적합성 피드백 기반의 문서 요약 기법을 이용한 효과적인 스니펫 생성). Proceedings of Conference on Human and Computer Interaction (HCI 2007), Vol. 1, pp. 174-181, February 2007. [ScienceOn]
9.Sangwoo Kang, Youngjoong Ko and Jungyun Seo. Using Plan Recognition and a Discourse Stack for Efficient Response Generation in a Dialogue System (대화시스템을 위한 계획인식과 담화스택을 이용한 효과적인 응답 생성). Proceedings of the 18th Annual Conference on Human and Cognitive Language Technology (HCLT 2006), pp. 177-182, October 2006. [ScienceOn]
8.Sangwoo Kang, Youngjoong Ko and Jungyun Seo. The Design of a Plan-based Dialogue Model for Intelligent Human-Robot Development (지능형 인간로봇 개발을 위한 계획기반의 대화 모델 설계). The 6th Workshop for Robot Development Technologies, August 2006.
7.Hyoungdong Han, Youngjoong Ko and Jungyun Seo. Improving Performance of Binary Text Classification Using the EM Algorithm (EM 알고리즘을 이용한 이진 분류 문서 범주화의 성능 향상 ). Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers (KIISE 2004), pp. 790-792, October 2004. [ScienceOn]
6.Bojun Shim, Youngjoong Ko, Harksoo Kim and Jungyun Seo. Extracting and Utilizing is-a Relation Patterns for Question Answering System (자연어 질의응답 시스템을 위한 is-a 관계 패턴의 구축과 활용). Proceedings of the 16th Annual Conference on Human and Cognitive Language Technology (HCLT 2004), pp. 181-188, October 2004. [ScienceOn]
5.Wooncheol Jung, Youngjoong Ko and Jungyun Seo. Automatic Text Summarization with Two Step Sentence Extraction (2단계 문장 추출방법을 이용한 자동 문서 요약). Proceedings of Spring Conference on Korean Institute of Information Scientists and Engineers (KIISE 2004), pp. 910-912, April 2004. [ScienceOn]
4.Kono Kim, Youngjoong Ko and Jungyun Seo. Automatic Text Summarization with Lexical Clustering (어휘 클러스터링을 이용한 자동 문서 요약). Proceedings of Spring Conference on Korean Institute of Information Scientists and Engineers (KIISE 2002), pp. 463-465, April 2002. [ScienceOn]
3.Jinwoo Park, Youngjoong Ko and Jungyun Seo. Automatic Text Categorization Using Text Summarization Techniques (문서 요약 기법을 이용한 자동 문서 범주화). Proceedings of the 13th Annual Conference on Human and Cognitive Language Technology (HCLT 2006), pp. 138-145, October 2001. [ScienceOn]
1. Youngjoong Ko and Jungyun Seo. Speech Act Analysis with Facial Expressions and Gestures in a Multi-modal Dialogue System (다중 모드 대화 시스템에서의 표정과 제스처를 결합한 화행분석). Proceedings of Conference on Korea Cognitive Science Society, pp. 199-204, May 1999.
2.Harksoo Kim, Youngjoong Ko, Sooyoung Park and Jungyun Seo. Efficient Analysis of User Requirements by Measuring the Similarity of Documents (문서간 유사도 측정을 통한 효율적인 사용자 요구분석). Proceedings of Conference on Human and Computer Interaction (HCI 1999), pp. 73-79, February 1999.

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Dissertation


Ph.D.Youngjoong Ko. Text Categorization Using Unlabeled Data. Sogang University, 2003. (in English) [PDF]
MS.ThesisYoungjoong Ko. Automatic Text Categorization by Unsupervised Learning. Sogang University, 2000. (in Korean)

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Books


Book.Youngjoong Ko et al. 정보처리개론. 생능출판사, [ISBN 978-89-7050-576-3 93560]
Book.Youngjoong Ko et al. 과학기술 시소러스 구축 연구. 한국과학기술정보연구원, [ISBN 89-5884-663-1 93500]
Book.Youngjoong Ko et al. 범용 과학기술 및 IT 분야 분류체계 개발과 시소러스 연동 방안 연구 (The Construction of General and IT Category Maps and Category Tagging on Thesaurus). 동아대학교 산학협력단 supported by 한국과학기술정보연구원, [K-06-IS-01-03R-6]

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Patents


Patent Application.Metod and Device for Learning of Neural Network Model. (신경망모델의 학습방법 및 장치) 출원일: 2024.01.19 (출원번호 제 10-2024-0008658 호)
Patent Application.Apparatus and Method for Generating Multiple Conversation in Conversasion Systems. (다자 대화 시스템을 위한 대화 인코딩 및 생성 방법 및 장치) 출원일: 2023.12.01 (출원번호 제 10-2023-0172179 호)
Patent Application.Apparatus and Method for Providing Dialogue Response of Persona based Dialogue System, Learning Method for Providing Dialogue Response in Persona Based Dialogue System. (페르소나 기반 대화 시스템의 대화 응답 제공 장치 및 방법, 페르소나 기반 대화 시스템의 대화 응답 제공을 위한 학습 방법) 출원일: 2023.11.23 (출원번호 제 10-2023-0162473 호)
Patent Application. Conversation Summary Apparatus and Method and Learning Method Thereof (대화 요약 장치와 방법 및 그 학습 방법) 출원일: 2023.11.07 (출원번호 제 10-2023-0152700 호)
Patent Application.Language Model Learning Method, Language Model Learning Apparatus and Emotion Prediction Apparatus using the Same. (언어 모델 학습 방법, 언어 모델 학습 장치 및 이를 이용한 감정 예측 장치) 출원일: 2023.11.03 (출원번호 제 10-2023-0150819 호)
Patent Application. Method for Learning of Document Summarization Model, Method and Device for Summarizing Document using Learned Summarization Model (문서 요약모델의 학습방법, 학습된 문서 요약모델을 이용한 문서 요약방법 및 장치) 출원일: 2023.07.07 (출원번호 제 10-2023-0088351 호)
Patent Application.Apparatus and Method for Expanding Knowledge Graph (지식그래프 확장 장치 및 방법) 출원일: 2023.03.27 (출원번호 제 10-2023-0040045 호)
Patent Application.Method and Device for Pre-training of Language Model. (언어모델의 사전학습방법 및 장치) 출원일: 2023.03.13 (출원번호 제 10-2023-0032434 호)
Patent Application.Apparatus, Method, Computer-readable Storage Medium and Computer Program for Detecting Zero-shot Stance based on Adversarial Learning and Meta-learning. (적대적 학습 및 메타 학습 기반의 제로샷 자세 탐지 장치, 방법, 컴퓨터 판독 가능한 기록 매체 및 컴퓨터 프로그램) 출원일: 2023.02.22 (출원번호 제 10-2023-0023577 호)
Patent Application.Apparatus, Method, Computer-readable Storage Medium and Computer Program for Summarizing Document based on Query Attention (질의 중심 기반의 문서 요약 장치, 방법, 컴퓨터 판독 가능한 기록 매체 및 컴퓨터 프로그램) 출원일: 2023.02.22 (출원번호 제 10-2023-0023537 호)
Patent Application.Method and Device for Generating Answer to Conversation with User using a Contrast Learning Technique. (대조 학습 기법을 이용하여 사용자와의 대화에 대한 응답을 생성하는 방법 및 장치) 출원일: 2023.03.22 (출원번호 제 10-2023-0023608 호)
Patent Application.Apparatus and Method for Tracking Conversation State. (대화 상태 추적 장치 및 방법) 출원일: 2023.03.21 (출원번호 제 10-2023-0023050 호)
Patent Application.Apparatus and Method for Learning Deep Learning Model, and Apparatus and Method for Searching Video based on the Deep Learning odel. (딥러닝 모델을 학습시키는 장치 및 방법, 상기 딥러닝 모델을 기반으로 동영상을 검색하는 장치 및 방법) 출원일: 2023.02.21 (출원번호 제 10-2023-0023010 호)
Patent Application.Learning Method of Document Retrieval Model and Apparatus Supporting the Same. (문서 검색 모델의 학습 방법 및 이를 지원하는 장치) 출원일: 2021.09.06 (출원번호 제 10-2021-0118685 호)
Patent Application.Data Learning Method using Sentiment Analysis System (감성 분석 시스템을 이용한 데이터 학습 방법) 출원일: 2021.08.26 (출원번호 제 10-2021-0113440 호)
Patent Application.Apparatus and Method for Fake Video Detection (가짜 동영상 탐지를 수행하는 방법 및 이를 위한 장치) 출원일: 2021.08.18 (출원번호 제 10-2021-0108936 호)
Patent Application. Apparatus and Method for Analyzing Sentiment based on Artificial Neural Network and Learning Method Thereof (인공 신경망 기반의 감성 분석 장치, 방법 및 이의 학습 방법) 출원일: 2021.04.09 (출원번호 제 10-2021-0046536 호)
Patent Registration.The Fake News Video Detection System and Method (가짜 뉴스 동영상 탐지 시스템 및 그의 방법) 출원일: 2021.02.19 (출원번호 제 10-2021-0022638 호), 등록일: 2022.08.17, (제 10-2435035호)
Patent Registration.Method and Apparatus for Summarizing Documents using Keyword Clustering (키워드 클러스터링을 이용한 문서 요약 방법 및 장치) 출원일: 2020.08.24 (출원번호 제 10-2020-0106414 호), 등록일: 2022.05.23, (제 10-2402466 호)
Patent Registration.Device and Method for Analyzing Speech-act. (화행 분석 장치 및 방법) 출원일: 2018.11.26 (출원번호 제 10-2018-0147852 호), 등록일: 2019.09.18, (제 10-2024845 호)
Patent Registration.System and Method for Expansion Chatting Corpus Based on Similarity Measure Using Utterance Embedding by CNN. (합성곱 신경망에 의한 발화 임베딩을 사용한 유사도측정 기반의 채팅 말뭉치 확장을 위한 장치 및 방법) 출원일: 2018.10.05 (출원번호 제 10-2018-0119113 호), 등록일: 2020.05.06, (제 10-2109866 호)
Patent Registration.System and Method for Extracting Deep Learning Based Causal Relation with Expansion of Training Data.(학습 데이터 확장을 통한 딥러닝 기반 인과관계 추출을 위한 장치 및 방법) 출원일: 2018.10.05 (출원번호 제 10-2018-0119107 호), 등록일: 2020.05.06, (제 10-2109860 호)
Patent Registration.System and Method for Korean POS Tagging Using the Concatenation of Jamo and Syllable Embedding. (자모 및 음절 임베딩 결합을 이용하는 한국어 형태소 분석을 위한 장치 및 방법) 출원일: 2018.10.05 (출원번호 제 10-2018-0119102 호), 등록일: 2020.05.06, (제 10-2109858 호)
Patent Registration.Keyword Extraction Method and Apparatus for Science Document. (과학문서의 핵심어구 추출 방법 및 장치) 출원일: 2017.11.02 (출원번호 제 10-2017-0145461 호), 등록일: 2019.08.27, (제 10-2017227 호)
Patent Registration.Named-entity Recognition Method and Apparatus for Korean. (한국어 개체명 인식방법 및 장치) 출원일: 2017.10.18 (출원번호 제 10-2017-0134970 호), 등록일: 2019.01.17, (제 10-1941692 호)
Patent Registration.Method for Natural Language Understanding Based on Distribution of Task-specific Labels. (언어분석기별 정답 레이블 분포를 이용한 자연어 이해 방법) 출원일: 2017.08.18 (출원번호 제 10-2017-0104871 호), 등록일: 2019.08.13, (제 10-2012404 호)
Patent Registration.Syllable-based Korean POS Tagging Using POS Distribution and Bidirectional LSTM CRFs and Method of the same. (품사 분포와 양방향 LSTM CRFs를 이용한 음절 단위 형태소 분석기 및 분석 방법) 출원일: 2017.08.18 (출원번호 제 10-2017-0104916 호), 등록일: 2019.07.12, (제 10-1997783 호)
Patent Registration.System and Method for Sentence Embedding and Similar Question Retrieving. (문장 임베딩 및 유사 질문 검색을 위한 장치 및 방법) 출원일: 2017.05.16 (출원번호 제 10-2017-0060425 호), 등록일: 2018.11.23, (제 10-1923650 호)
Patent Registration.Method and Apparatus for Biology Medical Terminology Named Entity Recognition. (생물의학용어 개체명 인식 시스템 및 방법) 출원일: 2017.02.14 (출원번호 제 10-2017-0020231 호), 등록일: 2019.09.04, (제 10-2020655 호)
Patent Registration.Query Translator and Method for Cross-language Information Retrieval using Linguistic Resources from Wikipedia and Parallel Corpus. (위키피디아의 언어자원과 병렬 코퍼스를 이용한 교차언어 검색기의 질의어 번역 시스템 및 방법) 출원일: 2014.07.17 (출원번호 제 10-2014-0090447 호), 등록일: 2016.04.21, (제 10-1616031 호)
Patent Registration.Feature Weighting Apparatus for User Utterance Information Classification in Dialogue System and Method of the Same. (대화시스템에서 사용자 발화의 정보 분류를 위한 자질 가중치 산출 장치 및 방법) 출원일: 2014.06.30 (출원번호 제 10-2014-0080978 호), 등록일: 2015.10.27, (제 10-1565143 호)
Patent Registration.A Simultaneous Recognition Technology for the Language Understanding Module of a Dialogue System. (모바일 대화 시스템의 언어 인식 모듈을 위한 동시 인식 장치 및 방법) 출원일: 2014.05.16 (출원번호 제 10-2014-0059159 호), 등록일: 2015.10.05, (제 10-1559576 호)
Patent Registration.Plain Text Query Based Mathematical Formula Retrieval. (자연어 질의 기반의 수학식 검색 시스템 및 방법) 출원일: 2014.05.16 (출원번호 제 10-2014-0059144 호), 등록일: 2015.11.04, (제 10-1567904 호)
Patent Application.User Terminal and Method for Providing Summary of Web Page. (웹 문서 요약 제공을 위한 사용자 단말 장치 및 웹 문서 제공 방법) 출원일: 2008.01.30 (출원번호 제 10-2008-0009731 호)
Patent Registration.Automatic Text Categorization Method Based on Unsupervised Learning, Using Keywords of Each Category and Measurement of the Similarity between Sentences. (각 범주의 핵심어와 문장 간 유사도 측정 기법을 이용한 비지도 학습을 기반으로 하는 자동 문서 범주화 방법) 출원일: 2001.03.09 (출원번호 제 2001-0012318 호), 등록일: 2004.02.12, (제 10-0420096 호)

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Program Copyrights


Program Copyright Registration.BERT(버트) 기반 WordNet(워드넷) 활용을 위한 라이브러리. 창작: 2023.09.10, 등록: 2023.11.13 (C-2023-051073)
Program Copyright Registration.자연어 코퍼스의 관계 파악을 위한 co-occurrence matrix(동시 발생 행렬) 생성 프로그램. 창작: 2023.11.06, 등록: 2023.11.20 (C-2023-052697)
Program Copyright Registration.사전학습모델 임베딩과 그래프 임베딩을 통한 키워드 추출. 창작: 2023.08.21, 등록: 2023.11.16 (C-2023-052182)
Program Copyright Registration.Pseudo Relevance Feedback(의사 관련 피드백). 창작: 2023.08.22, 등록: 2023.11.15 (C-2023-051890)
Program Copyright Registration.프롬프트 기반 개체명 단서 사전을 활용한 개체명 인식. 창작: 2022.10.28, 등록: 2022.11.07 (C-2022-044022)
Program Copyright Registration.Pretrained Language Model(사전학습언어모델)과 Graph Attention Network(그래프어텐션네트워크)를 이용한 화행분석. 창작: 2022.10.24, 등록: 2022.11.07 (C-2022-043884)
Program Copyright Registration.BERT(버트)를 이용한 Wordpiece(워드피스) token(토큰) 기반의 의존 구문 분석. 창작: 2022.10.28, 등록: 2022.11.07 (C-2022-044112)
Program Copyright Registration.의미역 분석기. 창작: 2022.10.24, 등록: 2022.11.14 (C-2022-044862)
Program Copyright Registration.페르소나를 반영한 멀티 도메인 한국어 대화 데이터 구축 프로그램. 창작: 2020.11.30, 등록: 2020.12.17 (C-2020-050626)
Program Copyright Registration.사후학습과 지식 베이스 감성 임베딩을 이용한 버트(BERT) 기반 감정 분석 시스템. 창작: 2020.11.29, 등록: 2020.12.03 (C-2020-049204)
Program Copyright Registration.원격 지도(Distant Supervision) 기법을 이용한 개체명 인식 프로그램. 창작: 2019.12.16, 등록: 2019.12.30 (C-2019-043819)
Program Copyright Registration.딥러닝 기반 인과관계 분석 프로그램. 창작: 2018.11.16, 등록: 2018.11.20 (C-2018-033948)
Program Copyright Registration.실시간 뉴스 기사 계층적 군집화 프로그램. 창작: 2018.10.16, 등록: 2018.10.17 (C-2018-029728)
Program Copyright Registration.다중 뉴스 기사 요약 시스템. 창작: 2018.10.16, 등록: 2018.10.17 (C-2018-029727)
Program Copyright Registration.레이블 자동 생성을 위한 한국어 의존 구문 분석기. 창작: 2017.11.7, 등록: 2017.11.7 (C-2017-029032)
Program Copyright Registration.위키피디아를 이용한 Entity Linking(개체연결) 시스템. 창작: 2017.01.23, 등록: 2017.01.25 (C-2017-003030)

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