Applying Low-Level Query Optimization Techniques by Rewriting.
Jacek PlodzienKazimierz SubietaPublished in: DEXA (2001)
Keyphrases
- low level
- query rewriting
- query processing
- high level
- rewrite rules
- rewriting rules
- database
- higher level
- response time
- user queries
- semantic gap
- query evaluation
- query expansion
- relevance feedback
- low level features
- database queries
- query formulation
- data sources
- data structure
- conjunctive queries
- keywords
- regular path queries
- information retrieval systems
- data objects
- search queries
- optimization strategies
- query terms
- query execution
- complex queries
- range queries
- visual information
- visual features
- search engine