Query optimization for OLAP-XML federations.
Dennis PedersenKarsten RiisTorben Bach PedersenPublished in: DOLAP (2002)
Keyphrases
- query optimization
- xml data
- approximate query answering
- data model
- xml documents
- query execution
- database systems
- xml databases
- cost model
- query processing
- efficient query processing
- xml queries
- on line analytical processing
- xml schema
- relational databases
- cost estimation
- multidatabase systems
- query evaluation
- cardinality estimation
- query processing and optimization
- query scheduling
- data warehousing
- databases
- semantic query optimization
- query language
- data warehouse
- keyword search
- query execution plans
- xpath queries
- object oriented
- query rewriting
- query optimizer
- data cube
- database
- data mining
- semi structured data
- relational model
- recursive queries
- object oriented databases
- query result
- semistructured data
- execution plan
- relational database systems
- path expressions
- relational algebra
- continuous queries