Multi-query optimization for semantic news feed query.
Andinet AssefaFekade GetahunPublished in: MEDES (2012)
Keyphrases
- query optimization
- query processing
- query execution
- queries involving
- query optimizer
- selectivity estimation
- cardinality estimation
- query scheduling
- cost model
- query execution plans
- query plan
- database systems
- query rewriting
- recursive queries
- join queries
- execution plan
- query execution plan
- complex queries
- semantic query optimization
- cost estimation
- efficient query processing
- query evaluation
- semantic query
- approximate query answering
- query optimizers
- efficient execution
- multidatabase systems
- continuous queries
- xml data
- user queries
- join operators
- response time
- sparql queries
- data management
- keywords
- database
- join operator
- multidatabase environment
- multiple queries
- relational queries
- query containment
- query formulation
- rewrite rules
- data structure
- query result
- index structure
- range queries
- object oriented databases
- conjunctive queries