Keyphrases
- xml documents
- xml data
- xml databases
- markup language
- higher order
- data integration
- databases
- relational databases
- metadata
- data model
- xml format
- xml queries
- semi structured
- xml retrieval
- data types
- xml schema
- semi structured documents
- relational data
- data exchange
- relational database systems
- object oriented
- database objects
- update operations
- object oriented databases
- data representation
- database
- data management
- structured documents
- control structure
- query processing
- extensible markup language
- database systems
- xml technology