Keyphrases
- data model
- xml documents
- xml data
- relational schema
- xml format
- markup language
- xml queries
- xml databases
- normal form
- xml schema
- databases
- data integration
- metadata
- object oriented
- relational databases
- extensible markup language
- database
- data types
- data representation
- functional dependencies
- semistructured data
- document structure
- semi structured
- information retrieval
- data dependencies
- multiple description coding
- entity relationship
- semi structured documents
- labeling scheme
- xml technology
- data retrieval
- xpath queries
- web services
- database systems
- object oriented databases
- keyword search
- data structure
- data exchange
- structured data
- query language
- data sources
- database management systems