Multi-strategy Query Expansion Method Based on Semantics.
Li LiHongbing WangPublished in: J. Digit. Inf. Manag. (2014)
Keyphrases
- data structure
- optimization strategies
- semantically relevant
- response time
- query processing
- transformation rules
- query evaluation
- database
- relevance feedback
- data sources
- retrieval systems
- query expansion
- sparql queries
- database queries
- query formulation
- query answers
- result set
- logic programming
- semantic meaning
- semantically equivalent
- formal semantics
- keyword search
- user queries
- keywords
- semantic information
- algebraic operations
- knowledge base