CR-Walker: Tree-Structured Graph Reasoning and Dialog Acts for Conversational Recommendation.
Wenchang MaRyuichi TakanobuMinlie HuangPublished in: EMNLP (1) (2021)
Keyphrases
- structured data
- graph structure
- spanning tree
- conversational agent
- tree structure
- conversational agents
- hierarchical data structure
- tree shaped
- minimum spanning tree
- natural language
- multi modal
- tree structured data
- bipartite graph
- recommender systems
- maximum weight
- collaborative filtering
- graph representation
- reasoning systems
- graph theory
- knowledge base
- maximal cliques
- directed graph
- root node
- dialog systems
- reachability queries
- bounded degree
- undirected graph
- graph search
- tree structures
- multi party
- graph model
- index structure
- case based reasoning
- expert systems
- decision trees