Keyphrases
- structural join
- xml documents
- xml data
- xml query processing
- databases
- markup language
- xml query evaluation
- database
- xml queries
- xml databases
- structural information
- relational databases
- xml schema
- xml elements
- materialized views
- semistructured data
- object oriented
- relational data
- data model
- xml format
- query processing
- join algorithms
- data structure
- native xml databases
- semi structured
- database tables
- metadata
- physical database design
- data mining
- structural features
- twig queries
- update operations
- xml retrieval
- b tree
- query language
- data exchange
- data types
- data integration