Keyphrases
- xml documents
- xml data
- data representation
- relational databases
- xml databases
- databases
- metadata
- data model
- semi structured data
- markup language
- semi structured
- xml format
- real time
- higher order
- data structure
- xpath queries
- relational data
- semistructured data
- semi structured documents
- xml retrieval
- xml queries
- xml schema
- data integration
- data sets