Publications

2021

• Weakly-Supervised Open-Retrieval Conversational Question Answering (To appear)
  Chen Qu, Liu Yang, Cen Chen, W. Bruce Croft, Kalpesh Krishna, Mohit Iyyer. ECIR 2021. Full Paper. Acceptance rate=24.1%.

• Reinforced History Backtracking for Conversational Question Answering (To appear)
  Minghui Qiu, Xinjing Huang, Cen Chen, Feng Ji, Chen Qu, Wei Wei, Jun Huang, and Yin Zhang. AAAI 2021. Full Paper. Acceptance rate=21% (1,692 out of 7,911).

2020

• Open-Retrieval Conversational Question Answering
  Chen Qu, Liu Yang, Cen Chen, Minghui Qiu, W. Bruce Croft and Mohit Iyyer. SIGIR 2020. Full Paper. Acceptance rate=26% (147 out of 555).

• Contextual Re-Ranking with Behavior Aware Transformers
  Chen Qu, Chenyan Xiong, Yizhe Zhang, Corby Rosset, W. Bruce Croft and Paul Bennett. SIGIR 2020. Short Paper. Acceptance rate=30% (153 out of 507).

• IART: Intent-aware Response Ranking with Transformers in Information-seeking Conversation Systems
  Liu Yang, Minghui Qiu, Chen Qu, Cen Chen, Jiafeng Guo, Yongfeng Zhang, W. Bruce Croft and Haiqing Chen. WWW 2020. Short Paper. Acceptance rate=25% (98 out of 397).

2019

• Attentive History Selection for Conversational Question Answering
  Chen Qu, Liu Yang, Minghui Qiu, Yongfeng Zhang, Cen Chen, W. Bruce Croft and Mohit Iyyer. CIKM 2019. Full Paper. Acceptance rate=19% (~200 out of ~1130).

• A Hybrid Retrieval-Generation Neural Conversation Model
  Liu Yang, Junjie Hu, Minghui Qiu, Chen Qu, Jianfeng Gao, W. Bruce Croft, Xiaodong Liu, Yelong Shen and Jingjing Liu. CIKM 2019. Full Paper. Acceptance rate=19% (~200 out of ~1130).

• BERT with History Answer Embedding for Conversational Question Answering
  Chen Qu, Liu Yang, Minghui Qiu, W. Bruce Croft, Yongfeng Zhang and Mohit Iyyer. SIGIR 2019. Short Paper. Acceptance rate=24% (108 out of 443).

• User Intent Prediction in Information-seeking Conversations
  Chen Qu, Liu Yang, Bruce Croft, Yongfeng Zhang, Johanne R Trippas and Minghui Qiu. CHIIR 2019. Full Paper.

• Answer Interaction in Non-factoid Question Answering Systems
  Chen Qu, Liu Yang, W. Bruce Croft, Falk Scholer and Yongfeng Zhang. CHIIR 2019. Short Paper.

• Learning to Selectively Transfer: Reinforced Transfer Learning for Deep Text Matching
  Chen Qu, Feng Ji, Minghui Qiu, Liu Yang, Zhiyu Min, Haiqing Chen, Jun Huang and W. Bruce Croft. WSDM 2019. Full Paper. Acceptance rate=16% (84 out of 511).

2018

• Analyzing and Characterizing User Intent in Information-seeking Conversations
  Chen Qu, Liu Yang, W. Bruce Croft, Johanne R Trippas, Yongfeng Zhang, Minghui Qiu. SIGIR 2018. Short Paper. Acceptance rate=30% (98 out of 327).

• Response Ranking with Deep Matching Networks and External Knowledge in Information-seeking Conversation Systems
  Liu Yang, Minghui Qiu, Chen Qu, Jiafeng Guo, Yongfeng Zhang, W. Bruce Croft, Jun Huang, Haiqing Chen. SIGIR 2018. Full Paper. Acceptance rate=21% (86 out of 409).