Keyphrases
- semantic query
- query language
- response time
- optimization problems
- query processing
- natural language
- semantic annotation
- user queries
- optimization algorithm
- database
- optimization strategies
- execution plan
- complex queries
- global optimization
- semantic information
- query evaluation
- cost model
- efficient processing
- optimization method
- boolean queries
- search queries
- topic maps
- database queries
- domain specific
- query plan
- semantic knowledge
- semantically similar
- semantic web