Research on why-not questions of top-K query in orthogonal region.
GuoHui LiPing SunLing YuanMingli WangHongju ChengPublished in: Multim. Tools Appl. (2019)
Keyphrases
- query processing
- result set
- database
- user defined
- query evaluation
- query result
- user queries
- data structure
- response time
- query formulation
- complex queries
- correct answers
- highly relevant
- natural language questions
- range queries
- cost model
- skyline queries
- relevance feedback
- region of interest
- database queries
- natural language queries
- query expansion
- scoring functions
- ranking list
- approximate answers
- questions asked
- aggregate queries
- efficient processing
- query terms
- query optimization
- multi dimensional
- keywords
- database systems