A conceptual development framework for temporal information systems

  • I. Petrounias
Session 2b: Temporal Modeling
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1331)


Conceptual modelling is the activity of describing part of the real world for purposes of communication and understanding. Any conceptual modelling approach aiming to do this accurately must offer support for data changing over time. This paper presents a development framework for Temporal Information Systems. It is based on a Fact Based Model with time support. The mapping of the model onto a relational database is described and an algebra for it is defined, the operations of which operate on facts at the conceptual level. A data definition and manipulation language is defined based on the algebra and operates at the conceptual schema level rather than the database one, thus requiring little or no knowledge from the users about SQL or about how the database itself is organised.


Entity Type Relational Algebra Fact Type Temporal Element Entity Class 
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 1997

Authors and Affiliations

  • I. Petrounias
    • 1
  1. 1.Department of ComputingManchester Metropolitan UniversityManchesterUK

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