Keyphrases
- integrating heterogeneous
- data sources
- databases
- database schema
- object oriented
- data model
- conceptual models
- data integration
- class hierarchies
- distributed data
- programming language
- conceptual modeling
- object oriented databases
- relational databases
- query language
- schema evolution
- schema integration
- xml schema
- schema matching
- software engineering
- data warehouse
- object oriented modeling
- object oriented technology
- data exchange
- schema mappings
- conceptual model
- integrity constraints
- nearest neighbor
- xml documents
- database systems
- database
- data sharing
- domain ontology
- feature selection
- real world