Cost-Based Query Transformation in Oracle.
Rafi AhmedAllison W. LeeAndrew WitkowskiDinesh DasHong SuMohamed ZaïtThierry CruanesPublished in: VLDB (2006)
Keyphrases
- processing cost
- database
- query processing
- transformation rules
- query plan
- query formulation
- storage cost
- query evaluation
- query execution
- communication cost
- oracle database
- data sources
- relevance feedback
- user defined
- range queries
- complex queries
- query optimization
- user queries
- user interaction
- query expansion
- vector space
- high cost
- keywords
- maintenance cost
- query cost
- keyword search
- bandwidth consumption
- pre computed
- database queries
- cost model
- information retrieval systems
- databases