A model for the description of the information system dynamics

  • A. Flory
  • J. Kouloumdjian
Data Modelling
Part of the Lecture Notes in Computer Science book series (LNCS, volume 65)


This paper deals with the description of the information system dynamics at the conceptual level. A model is put forward to take into account both the structural and dynamic aspects of data base. The data model (an entity-relation model) helps to build the data into a structured set of relations that correspond to a specific third normal form. These relations do not play the same role in data base evolution : we propose a classification of "event" relations — the tuples of which are the starting point of treatments — and of "permanent" relations. The description of processings deriving from a primary event may be divided into elementary chronological steps with the help of a hierarchy graph. Each step can be analyzed in term of "states" which express the stage of treatment of the triggering event.


Data Base Functional Relation Conceptual Schema Integrity Constraint Data Base System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1978

Authors and Affiliations

  • A. Flory
    • 1
  • J. Kouloumdjian
    • 1
  1. 1.Laboratoire d'informatiqueUniversité Claude BernardLyon

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