Keyphrases
- semantic query
- query processing
- query language
- efficient processing
- user queries
- web search engines
- response time
- database
- range queries
- semantic information
- domain specific
- data sources
- semantic constraints
- high level
- complex queries
- semantic knowledge
- semantically similar
- semantic markup
- database queries
- retrieval systems
- natural language
- multi attribute
- query logs
- domain ontology
- query formulation
- conceptual graphs
- preference relations
- semantic search
- multi dimensional
- answering queries
- boolean queries
- database systems
- information retrieval
- databases