Natural language question answering over knowledge graph: the marriage of SPARQL query and keyword search.
Xin HuJiangli DuanDepeng DangPublished in: Knowl. Inf. Syst. (2021)
Keyphrases
- database
- keyword search
- relational databases
- structured data
- graph model
- proximity search
- xml databases
- keywords
- knowledge base
- databases
- xml keyword search
- query processing
- search engine
- random walk
- xml data
- keyword queries
- knowledge management
- xml documents
- query optimization
- conceptual model
- bipartite graph
- graph structure
- pattern matching
- web search
- knowledge representation
- data sources
- sparql queries
- data sets