Keyphrases
- conceptual modelling
- data abstraction
- databases
- database management
- conceptual modeling
- programming language
- object oriented databases
- object oriented
- formal specification
- database
- database systems
- relational databases
- abstract data types
- data management
- database applications
- conceptual models
- knowledge discovery
- data model
- relational database systems
- database management systems
- information systems
- database technology
- knowledge base
- web services