Multi-view hypergraph contrastive policy learning for conversational recommendation

• Main Authors: ZHAO, Sen, WEI, Wei, MAO, Xian-Ling, ZHU, Shuai: YANG, WEN, Zujie, CHEN, Dangyang, ZHU, Feida
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2023
• Subjects: Conversational recommendation; Reinforcement learning; Graph representation learning; Databases and Information Systems; Numerical Analysis and Scientific Computing
• Online Access: https://ink.library.smu.edu.sg/sis_research/8608; https://ink.library.smu.edu.sg/context/sis_research/article/9611/viewcontent/Multi_view_Hypergraph_Contrastive_Policy_Learning_for_Conversational_Recommendation.pdf
• Institution: Singapore Management University

Conversational recommendation systems (CRS) aim to interactively acquire user preferences and accordingly recommend items to users. Accurately learning the dynamic user preferences is of crucial importance for CRS. Previous works learn the user preferences with pairwise relations from the interactiv...