Containment of inequality queries revisited.
José M. BarjaNieves R. BrisaboaJosé R. ParamáMiguel R. PenabadPublished in: ADBIS Research Communications (2002)
Keyphrases
- query evaluation
- query containment
- query language
- tree patterns
- query processing
- conjunctive queries
- database
- answering queries
- user queries
- probabilistic databases
- datalog queries
- data sources
- efficient processing
- unions of conjunctive queries
- set valued attributes
- databases
- complex queries
- database queries
- query answering
- query terms
- response time
- containment of conjunctive queries
- query logs
- indexing scheme
- query optimization
- web search engines
- relational queries
- xml data
- data model