Personal Homepage: Prof. Youngjoong Ko

About Me

I'm a professor in Dept. of Computer Science and Engineering, Graduate School of AI, and Dept. of Applied Data Science at the Sungkyunkwan University from September 2019. Before I joined the faculty at Sungkyunkwan University, I worked at Dong-A University from September 2004 after completing my Ph.D in August 2003.

I work at the intersection of natural language processing (NLP) and information retrieval (IR) based on Language Models, and I am interested in NLP (dialogue system, question/answering system, etc.), IR (GraphRAG, etc.), Generative AI (controllable text generation, etc.), Machine learning for AI (reinforcement learning, etc), and Text Mining (text classification/summarization, sentiment classification, etc.) for Agentic and Physical AI. I'm leading the Natural Language Processing (NLP) Laboratory at College of Computing and Informatics of Sungkyunkwan University. I worked at the Computational Linguistics and Information Processing Laboratory (CLIP) at the University of Maryland, College Park as a visiting scholar from 2011 fall semester to 2012 spring semester. My collaborator was Prof. Doug Oard.

To prospective students, if you want to join our research group, please fill out the google form with curriculum vitae including your transcript as early as possible, so that you can have a short-term internship before applying to the master program.

Videos for my talks "ChatGPT란 무엇인가? [Part I and Part II]" at 성대의 성대한 특강 and "Neural Symbolic AI" at SKKU AI Colloquium.
Lab Tour of SKKU NLP Lab at AI Society Newsletter 2021 and SKKUZINE 2022.

2026/09/01 Welcome! our new graduate students (Jinseok Park)
2026/09/01 Welcome! our new undergraduate students (Hyeongi Cho, Sumin Kwon & Jimin Kim)
2026/08/20 Congratulations on paper acceptance in EMNLP 2026 Industry Track with Keunha Kim, Yoonjin Jang and Naver (BK Plus Computer Science IF=3).
2026/04/09 Choi, Bonggeun commences working at Boeing (보잉한국기술연구센터, BKETC) Co. Congratulations!!
2026/04/07 Congratulations on paper acceptance in ACL 2026 findings with Bonggeun Choi, Keunha Kim and Junho Han (BK Plus Computer Science IF=4).
2026/02/01 Yoon, Sangwon commences working at Samsung Electronics Inc. Congratulations!!
2025/11/01 Congratulations on working as a program manager (PM) for NRF (한국연구재단).