Keyphrases
- xml documents
- markup language
- xml databases
- metadata
- xml data
- databases
- data model
- object oriented
- data exchange
- xml queries
- data representation
- xml schema
- database
- class labels
- image labeling
- relational databases
- data structure
- xml format
- multi label
- semi structured data
- xml trees
- document centric
- xml retrieval
- relational database systems
- structured data
- data mining
- data sets