YASK: A Why-Not Question Answering Engine for Spatial Keyword Query Services.
Lei ChenJianliang XuChristian S. JensenYafei LiPublished in: Proc. VLDB Endow. (2016)
Keyphrases
- question answering
- keyword queries
- keyword search
- natural language processing
- information retrieval
- information extraction
- cross language
- natural language
- semi structured
- question answering systems
- keywords
- relational databases
- structured data
- database schema
- information access
- search engine
- structured queries
- domain specific
- user queries
- query evaluation
- graph structure
- database systems
- xml databases
- database