Using conceptual graph theory to support schema integration
Two major problems in schema integration are to identify correspondences between different conceptual schemas and to verify that the...
Enhancing the quality of conceptual database specifications through validation
In this article, we present a validation approach and method to support the development of database applications. We explain...
Integration of heterogeneous object schemas
In a heterogeneous database system which consists of object databases, a global schema created by integrating schemas of the...
Formalised conceptual models as a foundation of information systems development
The more application semantics are added to a conceptual model, the greater the portion of the respective application system...
Abstraction levels for entity-relationship schemas
Schema abstraction is essential in different phases of the design process. During development, it supports browsing of repositories storing...
Coordination system modelling
We describe an approach to the coordination of application systems through the modelling and maintenance of inter-system dependencies based...
Virtual structures — A technique for supporting scientific database applications
Amazonia is based on a comprehensive model that includes a characterization of the development, representation, and evaluation of the...
Resolving fragmentation conflicts in schema integration
Research on schema integration leads to the identification of many different conflict types. Some of them received much attention...
An executable meta model for re-engineering of database schemas
A logical database schema, e.g. a relational one, is an implementation of a specification, e.g. an entity-relationship diagram. Upcoming...
From E-R to “A-R” — Modelling strategic actor relationships for business process reengineering
As information systems are increasingly being called upon to play vital roles in organizations, conceptual modelling techniques need to...
