Epistemic First-order Queries over Description Logic Knowledge Bases.
Diego CalvaneseGiuseppe De GiacomoDomenico LemboMaurizio LenzeriniRiccardo RosatiPublished in: Description Logics (2006)
Keyphrases
- description logics
- dl lite
- unions of conjunctive queries
- knowledge base
- model theoretic
- computing least common subsumers
- first order logic
- knowledge representation
- query language
- reasoning tasks
- function free horn
- computational properties
- knowledge representation systems
- concept descriptions
- query processing
- semantic web
- query evaluation
- query answering
- reasoning problems
- database
- snomed ct
- answering queries
- owl dl
- knowledge representation languages
- data model
- modal operators
- query complexity
- data complexity
- belief change
- expressive power
- logic programming