Logical Queries over Views: Decidability and Expressiveness
James BaileyGuozhu DongAnthony Widjaja ToPublished in: CoRR (2008)
Keyphrases
- database
- query rewriting
- query containment
- query language
- query answering
- view selection
- complex queries
- response time
- expressive power
- aggregate views
- answering queries
- range queries
- retrieval systems
- query optimization
- web search engines
- database views
- query processing
- multiple views
- relational query languages
- description logics
- conjunctive queries
- query logs
- efficient processing
- relational tables
- regular path queries
- answering queries using views
- view definitions
- queries using views
- aggregate queries
- xpath queries
- query formulation
- integrity constraints
- document collections
- information retrieval systems
- data structure
- database systems