Keyphrases
- xml documents
- databases
- xml data
- xml schema
- relational databases
- xml format
- markup language
- data integration
- xml queries
- data exchange
- data model
- xml databases
- database
- semi structured
- keyword search
- xml retrieval
- document structure
- data mining query language
- metadata
- object oriented databases
- data retrieval
- structured data
- keywords
- database systems
- labeling scheme
- data centric
- event driven
- data transformation
- update operations
- learning algorithm
- extensible markup language
- document centric
- data sets