Improving Conversational Recommender System by Pretraining Billion-scale Knowledge Graph.
Chi-Man WongFan FengWen ZhangChi-Man VongHui ChenYichi ZhangPeng HeHuan ChenKun ZhaoHuajun ChenPublished in: ICDE (2021)
Keyphrases
- recommender systems
- knowledge base
- knowledge acquisition
- user model
- domain knowledge
- prior knowledge
- knowledge representation
- scale space
- learning systems
- knowledge discovery
- multi modal
- weighted graph
- cold start problem
- graph representation
- graph model
- information filtering
- directed acyclic graph
- graph structure
- graph theory
- connected components
- user preferences
- random walk
- knowledge management