We compare EER and OO data models from the point of view of design quality. Quality is
measured in terms of (a) correctness of the conceptual schemas being designed,(b) time to …

At present, the Entity-Relationship (ER) model is the most important paradigm for conceptual
database design. Since the model was introduced in the mid-seventies, a large body of …

Many database applications are currently confronted with the problem of migrating from
relational to object-oriented systems. A central task in such a process is schema conversion …

SelfSync: A Dynamic Round-Trip Engineering Environment Page 1 SelfSync: A Dynamic
Round-Trip Engineering Environment Ellen Van Paesschen Programming Technology Lab …

When combining data from distinct sources, there is a need to share meta-data and other
knowledge about various source domains. Due to semantic inconsistencies, problems arise …

The design and development of a digital library involves different stakeholders, such as:
information architects, librarians, and domain experts, who need to agree on a common …

In the literature there are several proposals to map entity-relationship schemas onto object-
oriented schemas, but they only treat relationship sets naÏvely or restrict them to binary …

The extended entity-relationship (EER) model is being" threatened" by the object-oriented
(OO) approach, which penetrates into the areas of system analysis and data modeling. The …

Within the KORSO project we have developed the object specification language TROLL light
which allows to describe the part of the world to be modeled as a community of concurrently …

Techniques for the development of reliable information systems on the basis of their formal
specification are the main concern in the project. Our work focuses on the specification …