CRFR: Improving Conversational Recommender Systems via Flexible Fragments Reasoning on Knowledge Graphs.
Jinfeng ZhouBo WangRuifang HeYuexian HouPublished in: EMNLP (1) (2021)
Keyphrases
- recommender systems
- knowledge representation
- knowledge base
- incomplete knowledge
- domain knowledge
- knowledge acquisition
- temporal knowledge
- general knowledge
- reasoning process
- multi modal
- knowledge management
- collaborative filtering
- reasoning mechanism
- formal models
- knowledge processing
- user preferences
- reasoning engine
- information overload
- expert systems
- procedural knowledge
- representing knowledge
- logical rules
- commonsense knowledge
- logical formulas
- social networks
- deductive reasoning
- uncertain information
- knowledge structures
- matrix factorization
- knowledge sharing
- domain experts
- knowledge based systems
- natural language