Understanding the implementation of IS-A relations
Generalization/specialization hierarchies (IS-A relations for short) are basic semantic constructs proposed in most information system conceptual models. At the...
Deductive object oriented schemas
Current Object Oriented (OO) Database schema structures allow isa relationships and multiple inheritance. We extend these structures with features...
Verification problems in conceptual workflow specifications
Most of today's business requirements can only be accomplished through integration of various autonomous systems which were initially designed...
An agent based mobile system
In this paper we propose a new mobile system architecture, called the Client-Representative-Agent-Server (CRAS) architecture. While developing this architecture,...
Activity flow: Towards incremental specification and flexible coordination of workflow activities
We introduce the ActivityFlow specification language for incremental specification and flexible coordination of workflow activities. The most interesting features...
Is the future of conceptual modeling bleak or bright?
Read the full paper here: https://link.springer.com/chapter/10.1007/3-540-63699-4_30
Silver bullet shy on legacy mountain: When neat technology just doesn’t work -or Miracles...
Read the full paper here: https://link.springer.com/chapter/10.1007/3-540-63699-4_15
Successful practices in developing a complex information model
The Desktop Management Task Force (DMTF) has recently announced the introduction of the Common Information Model (CIM). The primary...
A multi-level architecture for representing enterprise data models
One of the most serious limitations of the Entity Relationship Model in practice is its inability to cope with...
Resolving constraint conflicts in the integration of entity-relationship schemas
In this work, we address the problem of constraint conflicts while integrating the conceptual schemas of multiple autonomous databases...
