Publications
MolE-RAG: Molecular Structure-Enhanced Retrieval-Augmented Generation for Chemistry
Joey Chan, Wonbin Kweon, Ashley Shin, Niharika Bhattacharjee, Pengcheng Jiang, Yue Guo, Jiawei HanTaxoCite: Hierarchical Topic-Enriched Citation Intent Classification for Scientific Literature
Runchu Tian, Xueqiang Xu, Wonbin Kweon, Jimeng Shi, Wei Hu, Yunfan Kang, Xiaolin Liu, Xuanyu Meng, Junxia Cui, Lantao Mei, Bowen Jin, SeongKu Kang, Shaowen Wang, Jiawei HanMultiCube-RAG for Multi-hop Question Answering
Jimeng Shi, Wei Hu, Runchu Tian, Bowen Jin, Wonbin Kweon, SeongKu Kang, Yunfan Kang, Dingqi Ye, Sizhe Zhou, Shaowen Wang, Jiawei Han
PairSem: LLM-Guided Pairwise Semantic Matching for Scientific Document Retrieval
Wonbin Kweon, Runchu Tian, SeongKu Kang, Pengcheng Jiang, Zhiyong Lu, Jiawei Han, Hwanjo Yu
WWW, 2026ObSchema: From Local Observations to Global Entity Attribute Schemas in Scientific Literature
Xueqiang Xu, Wonbin Kweon, Jimeng Shi, Runchu Tian, Yunfan Kang, Wei Hu, Shaowen Wang, Jiawei Han
EMNLP, 2026From Overlooked to Explored: Recovering Item Relations via Mixture of Perspectives for Sequential Recommendation
Junyoung Kim, Wonbin Kweon, Woojoo Kim, Jaehyung Lim, Dongha Kim, Hwanjo Yu
CIKM, 2026SCoRD: Semantic-Assisted Continual Retriever-Reranker Distillation for LLM-Based Recommendation
Seunghyun Baek, Gyuseok Lee, Seunghan Lee, Wonbin Kweon, Dong Wang, Seongku Kang
CIKM, 2026Condition-Gated Reasoning for Context-Dependent Biomedical Question Answering
Jash Parekh, Wonbin Kweon, Joey Chan, Rezarta Islamaj, Robert Leaman, Pengcheng Jiang, Chih-Hsuan Wei, ZhiZheng Wang, Zhiyong Lu, Jiawei Han
KDD, 2026Structure Shapes the Future of DataxLLM Systems: Retrieval, Structuring, and Reasoning
Pengcheng Jiang, Jiashuo Sun, Wonbin Kweon, Jiawei Han
KDD Tutorial, 2026Uncertainty-Aware Variational Reward Factorization via Probabilistic Preference Bases for LLM Personalization
Gyuseok Lee, Wonbin Kweon, Zhenrui Yue, SeongKu Kang, Jiawei Han, Dong Wang
COLM, 2026SPRINT: Scalable and Predictive Intent Refinement for LLM-Enhanced Session-based Recommendation
Gyuseok Lee, Wonbin Kweon, Zhenrui Yue, Yaokun Liu, Yifan Liu, Susik Yoon, Dong Wang, SeongKu Kang
SIGIR, 2026Harmonic Dataset Distillation for Time Series Forecasting
Seungha Hong, Sanghwan Jang, Wonbin Kweon, Suyeon Kim, Gyuseok Lee, Hwanjo Yu
AAAI, 2026Personalized Federated Recommendation via Long-Horizon Local Optimization and Regularized Knowledge Guidance
Jaehyung Lim, Wonbin Kweon, Woojoo Kim, Junyoung Kim, Dongha Kim, Hwanjo Yu
Journal of Intelligent Information Systems, 2026Improving Scientific Document Retrieval with Academic Concept Index
Jeyun Lee, Junhyoung Lee, Wonbin Kweon, Bowen Jin, Yu Zhang, Susik Yoon, Dongha Lee, Hwanjo Yu,
Jiawei Han, Seongku Kang
ACM Transactions on Intelligent Systems and Technology (TIST), 2026
Topic Coverage-based Demonstration Retrieval for In-Context Learning
Wonbin Kweon, SeongKu Kang, Runchu Tian, Pengcheng Jiang, Jiawei Han, Hwanjo Yu
EMNLP, 2025Uncertainty Quantification and Decomposition for LLM-based Recommendation
Wonbin Kweon, Sanghwan Jang, SeongKu Kang, Hwanjo Yu
WWW, 2025Controlling Diversity at Inference: Guiding Diffusion Recommender Models with Targeted Category Preferences
*Gwangseok Han, *Wonbin Kweon, Minsoo Kim, Hwanjo Yu (*equal contribution)
KDD, 2025Q-Align: Alleviating Attention Leakage in Zero-Shot Appearance Transfer via Query-Query Alignment
*Nanu Kim, *Wonbin Kweon, *Minsoo Kim, Hwanjo Yu (*equal contribution)
BMVC, 2025Federated Continual Recommendation
Jaehyung Lim, Wonbin Kweon, Woojoo Kim, Junyoung Kim, Seongjin Choi, Dongha Kim, Hwanjo Yu
CIKM, 2025Improving Scientific Document Retrieval with Concept Coverage-based Query Set Generation
SeongKu Kang, Bowen Jin, Wonbin Kweon, Yu Zhang, Dongha Lee, Jiawei Han, Hwanjo Yu
WSDM, 2025
Best Papers of WSDM 2025, Invited to ACM TISTVerbosity-Aware Rationale Reduction: Sentence-Level Rationale Reduction for Efficient and Effective Reasoning
Joonwon Jang, Jaehee Kim, Wonbin Kweon, Seonghyeon Lee, Hwanjo Yu
ACL Findings, 2025BPL: Bias-adaptive Preference Distillation Learning for Recommender System
SeongKu Kang, Jianxun Lian, Dongha Lee, Wonbin Kweon, Sanghwan Jang, Jaehyun Lee, Jindong Wang, Xing Xie, Hwanjo Yu
IEEE Transactions on Knowledge and Data Engineering (TKDE), 2025
Doubly Calibrated Estimator for Recommendation on Data Missing Not At Random
Wonbin Kweon, Hwanjo Yu
WWW, 2024Top-Personalized-K Recommendation
Wonbin Kweon, SeongKu Kang, Sanghwan Jang, Hwanjo Yu
WWW, 2024Continual Collaborative Distillation for Recommender System
*Gyuseok Lee, *SeongKu Kang, Wonbin Kweon, Hwanjo Yu
KDD, 2024Rectifying Demonstration Shortcut in In-Context Learning
Joonwon Jang, Sanghwan Jang, Wonbin Kweon, Minjin Jeon, Hwanjo Yu
NAACL, 2024Unbiased, Effective, and Efficient Distillation from Heterogeneous Models for Recommender Systems
SeongKu Kang, Wonbin Kweon, Dongha Lee, Jianxun Lian, Xing Xie, Hwanjo Yu
ACM Transactions on Recommender Systems, 2024
Confidence Calibration for Recommender Systems and Its Applications
Wonbin Kweon
Ph.D. Dissertation, POSTECH (link)Distillation from Heterogeneous Models for Top-K Recommendation
SeongKu Kang, Wonbin Kweon, Dongha Lee, Jianxun Lian, Xing Xie, Hwanjo Yu
WWW, 2023Consensus Learning from Heterogeneous Objectives for One-Class Collaborative Filtering
SeongKu Kang, Dongha Lee, Wonbin Kweon, Junyoung Hwang, Hwanjo Yu
WWW, 2022Obtaining Calibrated Probabilities with Personalized Ranking Models
Wonbin Kweon, SeongKu Kang, Hwanjo Yu
AAAI, 2022
Oral presentation, Top-3%Personalized Distillation for Recommender System
SeongKu Kang, Dongha Lee, Wonbin Kweon, Hwanjo Yu
Knowledge-Based Systems, 2022Topology Distillation for Recommender System
SeongKu Kang, Junyoung Hwang, Wonbin Kweon, Hwanjo Yu
KDD, 2021Bidirectional Distillation for Top-K Recommender System
Wonbin Kweon, SeongKu Kang, Hwanjo Yu
WWW, 2021Item-side Ranking Regularized Distillation for Recommender System
SeongKu Kang, Junyoung Hwang, Wonbin Kweon, Hwanjo Yu
Information Sciences, 2021DE-RRD: A Knowledge Distillation Framework for Recommender System
SeongKu Kang, Junyoung Hwang, Wonbin Kweon, Hwanjo Yu
CIKM, 2020Deep Rating Elicitation for New Users in Collaborative Filtering
Wonbin Kweon, SeongKu Kang, Junyoung Hwang, Hwanjo Yu
WWW, 2020