Keyphrases
- schema evolution
- information systems
- database systems
- data model
- object oriented databases
- object model
- computer aided design
- database schema
- schema mappings
- privacy preservation
- digital libraries
- tightly coupled
- data mining
- data sources
- object oriented
- data sets
- data integration
- three dimensional
- software evolution
- distributed systems
- distributed data
- case study
- metadata
- databases