Query Processing in a Multidatabase System with an Integrated View Based on Description Logics.
Alfredo GoñiArantza IllarramendiEduardo MenaJosé Miguel BlancoPublished in: FQAS (1994)
Keyphrases
- description logics
- query processing
- multidatabase environment
- query optimization
- database systems
- knowledge base
- multidatabase systems
- query evaluation
- reasoning tasks
- dl lite
- transaction management
- cost model
- knowledge representation
- ontology languages
- heterogeneous sources
- computational properties
- index structure
- concept descriptions
- semantic web
- reasoning problems
- knowledge representation and reasoning
- data management
- xml data
- r tree
- query execution
- data complexity
- knowledge representation formalisms
- reasoning services
- computing least common subsumers
- join algorithms
- materialized views
- owl dl
- fuzzy description logics
- knowledge representation languages
- terminological knowledge