Tractable Extensions of the Description Logic EL with Numerical Datatypes.
Despoina MagkaYevgeny KazakovIan HorrocksPublished in: Description Logics (2010)
Keyphrases
- description logics
- data types
- knowledge representation formalisms
- complexity of query answering
- dl lite
- knowledge base
- knowledge representation
- data structure
- data model
- ontology languages
- reasoning tasks
- reasoning mechanism
- database systems
- semantic web
- database management systems
- reasoning problems
- computing least common subsumers
- computational properties
- np complete
- concept descriptions
- np hard
- computational complexity
- logical implication
- reasoning services
- default logic
- machine learning
- snomed ct
- medical terminology