Keyphrases
- xml documents
- xml dbms
- xml databases
- markup language
- xml format
- xml schema
- xml data
- data model
- object oriented
- relational databases
- data integration
- xml queries
- topic maps
- relational data
- databases
- data retrieval
- loosely structured
- semi structured
- database
- neural network
- data storage
- xml technology
- xml query processing
- xml retrieval
- stored in relational databases
- extensible markup language
- metadata
- document structure
- xpath queries
- website
- case study
- information extraction
- integrity constraints
- relational database systems
- data exchange
- data representation
- keyword search