Keyphrases
- xml documents
- xml data
- xml databases
- xml schema
- object oriented
- markup language
- xml format
- relational databases
- metadata
- xml retrieval
- object oriented databases
- document structure
- semi structured data
- data integration
- relational data
- xml queries
- merging algorithm
- data representation
- keyword search
- data exchange
- topic maps
- semi structured
- building blocks
- digital libraries
- data mining
- databases