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...
Process knowledge modeling
Knowledge is connected to a subject (a theory, a lesson) but Process Knowledge is connected to an object and...
The conceptual database design optimizer CoDO — Concepts, implementation, application
Traditional database design does not consider operational behavior in detail. In this way, tuning is a frequent requirement after...
ConQuer: A conceptual query language
Relational query languages such as SQL and QBE are less than ideal for end user queries since they require...
Using structural recursion as query mechanism for data models with references
Despite the fact that nearly all important data models include a concept for (explicit) references or referencial integrity, a...
A modular design strategy for a flexible graphical database design environment: An experimental study
This paper informally introduces a modular design strategy embedded in our graphical database design environment underlying graph grammar formalism...
A generative approach to database federation
This paper introduces a comprehensive, specification-based approach to database federation, supporting an integrated ODMG-93 conforming access to object-oriented and...
Graph based modeling and implementation with EER/GRAL
This paper gives a cohesive approach to modeling and implementation with graphs. This approach uses extended entity relationship (EER)...
A virtual reality interface to an enterprise metadatabase
A variety of semantic data models are inherently three dimensional (3D), yet are popularly presented in 2D diagrammatic outline...
