Query Expansion with Semantic-Based Ellipsis Reduction for Conversational IR. - Chia-Yuan Chang; Ning Chen; Wei-Ting Chiang; Chih-Hen Lee; Yu-Hsuan Tseng; Chuan-Ju Wang; Hsien-Hao Chen; Ming-Feng Tsai (TREC, 2020)

LSTPR: Graph-based Matrix Factorization with Long Short-term Preference Ranking. - Chih-Hen Lee; Jun-En Ding; Chih-Ming Chen 003; Jing-Kai Lou; Ming-Feng Tsai; Chuan-Ju Wang (SIGIR, 2021)

INForex: Interactive News Digest for Forex Investors. - Chih-Hen Lee; Yi-Shyuan Chiang; Chuan-Ju Wang (ECIR (2), 2022)