Prune XML Before You Search It: XML Transformations for Query Optimization.
Stéphane BressanZoé LacroixYing Guang LiAnna MaddalenaPublished in: EDBT Workshops (2004)
Keyphrases
- query optimization
- xml data
- xml documents
- keyword search
- xml queries
- xml databases
- data model
- database systems
- query processing
- cost model
- query processing and optimization
- cost estimation
- query language
- query execution
- xml schema
- semi structured data
- multidatabase systems
- databases
- relational databases
- semantic query optimization
- cardinality estimation
- efficient query processing
- query evaluation
- data exchange
- database
- query result
- selectivity estimation
- object oriented databases
- metadata
- query optimizer
- query rewriting
- xpath queries
- relational database systems
- efficient execution
- semistructured data
- structured data
- query scheduling
- semi structured
- path expressions
- management system
- rewrite rules
- join algorithms