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Hierarchical Reinforcement Learning for Conversational Recommendation With Knowledge Graph Reasoning and Heterogeneous Questions.

Yao-Chun YangChiao-Ting ChenTzu-Yu LuSzu-Hao Huang
Published in: IEEE Trans. Serv. Comput. (2023)
Keyphrases
  • hierarchical reinforcement learning
  • knowledge base
  • knowledge representation
  • reasoning process
  • recommender systems
  • reinforcement learning
  • directed graph