Keyphrases
- xml documents
- xml data
- markup language
- metadata
- xml schema
- xml databases
- xml queries
- relational databases
- data model
- databases
- data integration
- object oriented databases
- semistructured data
- relational data
- data exchange
- xml query processing
- keyword search
- xml retrieval
- object oriented
- semi structured data
- data centric
- xml format
- semi structured documents
- document centric
- data mining query language