Keyphrases
- xml documents
- special issue
- xml data
- markup language
- data exchange
- xml databases
- xml format
- databases
- data model
- data management
- xml schema
- xml queries
- metadata
- data integration
- topic maps
- object oriented
- object oriented databases
- cultural heritage
- relational databases
- document centric
- database
- xml technology
- extensible markup language
- update operations
- semistructured data
- xml retrieval
- data representation
- keyword search
- relational data
- semi structured
- data collection
- data sets