Keyphrases
- data sources
- inference control
- query processing
- rdf data
- response time
- sparql queries
- database
- semantic query
- query engine
- query evaluation
- user queries
- user interaction
- vector space
- semantic web
- data structure
- range queries
- complex queries
- retrieval systems
- query language
- search queries
- topic maps
- keywords
- knowledge base
- databases
- query expansion
- image database
- web search
- relevance feedback
- query formulation
- data model