Keyphrases
- xml documents
- markup language
- xml data
- xml databases
- xml schema
- xml format
- databases
- xml queries
- relational databases
- data exchange
- data transformation
- data model
- object oriented databases
- real time
- data representation
- metadata
- data sets
- topic maps
- relational database systems
- data retrieval
- information systems
- search engine
- xpath queries
- semi structured data
- database
- extensible markup language
- semi structured documents