Keyphrases
- xml documents
- image database
- xml data
- databases
- xml format
- markup language
- metadata
- relational databases
- image retrieval
- data model
- xml databases
- xml schema
- relational data
- database
- xml queries
- xml retrieval
- data transformation
- semi structured
- image collections
- data exchange
- relevance feedback
- relational database systems
- labeling scheme
- digital libraries
- neural network
- semi structured documents