Keyphrases
- heterogeneous data sources
- semantic web
- databases
- high level
- semantic information
- semantically equivalent
- semantic similarity
- domain specific
- data integration
- context dependent
- semantic network
- database
- semantically meaningful
- query processing
- semantic analysis
- semantic representation
- semantic annotation
- semantic search
- semantic level
- semantically rich
- document centric
- semantic features
- semantic web technologies
- domain independent
- end users
- query language
- keywords
- database systems
- data sets