Keyphrases
- xml documents
- markup language
- xml format
- xml queries
- databases
- xml retrieval
- xml data
- xml databases
- audio signals
- music information retrieval
- data sets
- data representation
- xml schema
- object oriented
- metadata
- data exchange
- data model
- data transformation
- music scores
- semi structured
- semistructured data
- relational databases
- extensible markup language
- xml technology
- music composition