Hierarchical Query Graph Generation for Complex Question Answering over Knowledge Graph.
Yunqi QiuKun ZhangYuanzhuo WangXiaolong JinLong BaiSaiping GuanXueqi ChengPublished in: CIKM (2020)
Keyphrases
- question answering
- query graph
- information extraction
- natural language
- natural language processing
- graph databases
- graph model
- knowledge discovery
- information retrieval
- knowledge base
- random walk
- question answering systems
- graph search
- machine learning
- subgraph isomorphism
- knowledge representation
- graph structure
- structured data
- bipartite graph
- connected components
- data sources
- similarity measure