Keyphrases
- metadata
- xml documents
- xml data
- xml schema
- data exchange
- virtual world
- virtual environment
- markup language
- augmented reality
- xml retrieval
- object oriented
- semi structured
- xml format
- database
- xml queries
- xml databases
- data integration
- data model
- databases
- content and structure
- structured data
- object oriented databases
- data representation
- topic maps
- relational databases
- information retrieval
- semi structured data
- data transformation
- document structure
- data sets