Keyphrases
- xml documents
- markup language
- virtual reality
- xml data
- xml format
- metadata
- databases
- data model
- xml databases
- loosely structured
- building blocks
- relational databases
- xml queries
- keyword search
- data exchange
- object oriented
- data integration
- semistructured data
- data transformation
- genetic algorithm
- document centric
- xml technology
- database
- xml schema
- semi structured
- object oriented databases
- data retrieval
- xpath queries
- labeling scheme