Answering Why-not Questions on Reverse Top-k Queries.
Yunjun GaoQing LiuGang ChenBaihua ZhengLinlin ZhouPublished in: Proc. VLDB Endow. (2015)
Keyphrases
- query processing
- answering queries
- approximate answers
- query evaluation
- efficient processing
- result set
- user defined
- query language
- web search engines
- range queries
- correct answers
- web snippets
- query result
- response time
- database queries
- database
- information retrieval
- aggregation queries
- natural language queries
- natural language questions
- complex queries
- search queries
- query logs
- user queries
- tree patterns
- aggregate queries
- indexing techniques
- query answering
- index structure
- data sources