Keyphrases
- integrating heterogeneous
- data sources
- databases
- database schema
- data model
- object oriented
- conceptual models
- data integration
- conceptual modeling
- class hierarchies
- object oriented databases
- programming language
- distributed data
- schema evolution
- query language
- schema integration
- database
- xml schema
- object oriented modeling
- information systems
- schema matching
- conceptual model
- data warehouse
- design methodology
- database systems
- software engineering
- schema mappings
- data management
- xml documents
- domain ontology
- knowledge management
- reverse engineering
- database design
- database applications
- data exchange
- relational databases
- feature space
- integrity constraints
- high level