Keyphrases
- information systems
- legacy systems
- business process reengineering
- xml documents
- xml data
- markup language
- xml format
- data exchange
- xml schema
- xml databases
- data integration
- data model
- metadata
- information technology
- databases
- relational databases
- health care
- conceptual modeling
- xml queries
- reverse engineering
- update operations
- data transformation
- relational data
- xpath queries
- document centric
- data mining
- twig queries
- extensible markup language
- keywords
- information extraction
- document structure
- xml retrieval
- keyword search
- integrity constraints
- structured data
- query language