Embedding XML Schema Constraints in Search-Based Intersection Tests for XPath Query Optimization.
Stefan BöttcherRita SteinmetzPublished in: DEXA Workshops (2005)
Keyphrases
- query optimization
- xml data
- xml schema
- xml documents
- keyword search
- data model
- xml databases
- cost model
- query processing
- xml queries
- relational databases
- regular expressions
- relational data
- query result
- multidatabase systems
- query execution
- cardinality estimation
- semi structured data
- query evaluation
- query language
- relational schema
- xpath queries
- database systems
- query optimizer
- efficient query processing
- selectivity estimation
- semantic query optimization
- sql queries
- continuous queries
- database
- relational database systems
- user queries
- path expressions
- query rewriting
- data sets
- keyword queries
- structured data
- object oriented
- metadata
- data complexity
- relational model
- data exchange
- data sources
- data mining
- databases