Answering why-not questions on top-k augmented spatial keyword queries.
Yanhong LiWang ZhangChangyin LuoXiaokun DuJianjun LiPublished in: Knowl. Based Syst. (2021)
Keyphrases
- keyword search in relational databases
- keyword queries
- keyword search
- query keywords
- candidate answers
- keywords
- structured data
- xml keyword search
- query processing
- semi structured
- query evaluation
- information access
- graph structure
- search engine
- user defined
- databases
- domain knowledge
- data model
- correct answers
- relational databases
- image retrieval
- machine learning