Keyphrases
- interchange format
- xml documents
- xml files
- databases
- language independent
- expressive power
- xml format
- data model
- xml databases
- markup language
- xml data
- data exchange
- xml schema
- web browser
- user interface
- object oriented
- web applications
- semantic web
- relational databases
- metadata
- database
- xml query languages
- relational data
- xml queries
- keyword search
- xpath queries
- data transformation
- document structure
- data integration
- database query languages
- data sources
- web services