Query Inseparability and Module Extraction in OWL 2 QL.
Michael ZakharyaschevPublished in: WoMO (2011)
Keyphrases
- database
- query processing
- query evaluation
- query formulation
- response time
- database queries
- data structure
- user queries
- data sources
- information extraction
- query interface
- retrieval method
- user defined
- knowledge representation
- keywords
- knowledge base
- answering queries
- query language
- query execution
- ontology languages
- xml query languages
- semantic web
- structured data
- similarity search
- description logics
- natural language
- databases