Keyphrases
- xml documents
- xml data
- markup language
- xml queries
- data model
- data exchange
- databases
- xml format
- relational data
- semi structured
- xml databases
- metadata
- object oriented
- xml schema
- semistructured data
- object oriented databases
- data integration
- open source
- data centric
- relational databases
- real time
- extensible markup language
- data representation
- building blocks
- data types
- xml retrieval
- labeling scheme
- query language
- data transformation
- twig queries
- digital libraries
- database
- semi structured documents
- data mining query language