Keyphrases
- xml query languages
- databases
- xml documents
- extensible markup language
- xml queries
- query language
- data manipulation
- query language for xml
- xml data
- xml files
- document centric
- markup language
- language learning
- xml schema
- database
- natural language
- definition language
- xml format
- expert systems
- xml databases
- relational databases
- xml processing
- data model
- xml fragments
- xml data sources
- metadata
- type checking
- context dependent
- multimedia databases
- data interchange
- xquery full text
- labeling scheme
- event condition action
- advanced features
- path expressions
- xpath queries
- relational database systems
- relational data
- data types
- data integration
- information extraction
- query processing