2020

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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
Proceedings of the Twenty-Ninth Text REtrieval Conference, TREC 2020, Virtual Event [Gaithersburg, Maryland, USA], November 16-20, 2020

2021

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LSTPR: Graph-based Matrix Factorization with Long Short-term Preference Ranking
Chih-Hen Lee | Jun-En Ding | Chih-Ming Chen | Jing-Kai Lou | Ming-Feng Tsai | Chuan-Ju Wang
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021