Keyphrases
- xml documents
- markup language
- xml data
- xml schema
- natural language
- databases
- xml databases
- context free grammars
- object oriented
- metadata
- data model
- data exchange
- xml retrieval
- xml format
- relational databases
- lazy learning
- context free
- dependency parsing
- extensible markup language
- unsupervised learning
- natural language processing
- machine learning
- context dependent
- object oriented databases
- pattern matching
- structured data
- data integration
- intermediate representation
- syntactic analysis
- word order