Titlebook: Conceptual Modeling - ER ‘98; 17th International C Tok-Wang Ling,Sudha Ram,Mong Lee Conference proceedings 1998 Springer-Verlag Berlin Heid

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Conceptual Design and Development of Information Servicesg, summarizing and restructuring of information. Information containers are used for transfering information to users according to their current needs and the corresponding dialogue step. Size and presentation of information containers depend on the restrictions of the users environment.

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On the Consistency of Int-cardinality Constraintsties. Our objective is to investigate the consistency of a set of int-cardinality constraints for a database scheme, i.e. the question whether there exists a fully-populated database instance satisfying all the given int-cardinality constraints.

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From Object Oriented Conceptual Modeling to Automated Programming in Javasts capture system requirements, and the full implementation can automatically be obtained following an execution model (including structure and behaviour). The final result is a web application with a three-tiered architecture, which is implemented in Java with a relational DBMS as object repository.

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Metrics for Evaluating the Quality of Entity Relationship Modelsetrics are proposed in this paper, each of which measures one of the quality factors previously defined. The metrics may be used to evaluate the quality of data models, choose between alternatives and identify areas for improvement.

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