Keyphrases
- data manipulation
- extensible markup language
- xml documents
- programming language
- definition language
- xml files
- xml query languages
- xml format
- language learning
- query language for xml
- xml processing
- metadata
- advanced features
- xml schema
- data model
- object oriented
- context dependent
- xml databases
- relational databases
- xml data
- data integration
- databases
- natural language
- data types
- specification language
- keyword search
- data exchange
- data transformation
- query language
- type checking
- labeling scheme
- xml retrieval
- data interchange
- xml queries
- domain specific languages