Semantic information-based alternative plan generation for multiple query optimization.
Faruk PolatAhmet CosarReda AlhajjPublished in: Inf. Sci. (2001)
Keyphrases
- query optimization
- semantic information
- plan generation
- database systems
- cost model
- multidatabase systems
- wordnet
- query processing
- domain knowledge
- cardinality estimation
- semantic features
- contextual information
- cost estimation
- keywords
- query execution
- query optimizers
- semantic knowledge
- query optimizer
- xml data
- metadata
- query execution plans
- co occurrence
- low level
- xml documents
- plan recognition
- visual information
- high level