Rewriting Aggregate Queries using Description Logic.
David DeHaanDavid TomanGrant E. WeddellPublished in: Description Logics (2003)
Keyphrases
- aggregate queries
- description logics
- queries using views
- query processing
- efficient computation
- knowledge base
- data cube
- dl lite
- reasoning tasks
- knowledge representation
- query rewriting
- snomed ct
- aggregate functions
- aggregation functions
- conjunctive queries
- probabilistic databases
- reasoning problems
- semantic web
- nearest neighbor
- database
- machine learning