Query Optimization in a Knowledge Base System.
Xiong WangBaile ShiPublished in: Future Databases (1992)
Keyphrases
- query optimization
- knowledge base
- database systems
- cost model
- cost estimation
- query processing
- multidatabase systems
- data placement
- cardinality estimation
- query scheduling
- description logics
- xml data
- knowledge representation
- query execution
- selectivity estimation
- query plan
- query optimizers
- semantic query optimization
- query execution plans
- efficient execution
- join queries
- query rewriting
- recursive queries
- execution plan
- continuous queries
- approximate query answering
- multi dimensional