Exploiting Conjunctive Queries in Description Logic Programs.
Thomas EiterThomas KrennwallnerRoman SchindlauerGiovambattista IanniPublished in: ISAIM (2008)
Keyphrases
- conjunctive queries
- description logic programs
- data complexity
- query answering
- integrity constraints
- query evaluation
- query language
- np complete
- special case
- data exchange
- dl lite
- query rewriting
- decision procedures
- dl programs
- query containment
- description logics
- query processing
- xml documents
- expressive power
- database
- data integration
- schema mappings
- data analysis