Explaining Missing Answers to SPJUA Queries.
Melanie HerschelMauricio A. HernándezPublished in: Proc. VLDB Endow. (2010)
Keyphrases
- query answers
- query language
- query processing
- web search engines
- user queries
- query answering
- aggregate queries
- query formulation
- efficient processing
- response time
- retrieval systems
- complex queries
- database queries
- query evaluation
- correct answers
- natural language queries
- web snippets
- queries using views
- query logs
- keyword queries
- database
- missing data
- incomplete data
- data objects
- range queries
- answering queries
- question answering systems
- approximate answers
- data sources
- data model
- information retrieval