Foundations of Temporal Conceptual Data Models

  • Authors:
  • Alessandro Artale;Enrico Franconi

  • Affiliations:
  • Faculty of Computer Science, Free University of Bozen-Bolzano, Italy;Faculty of Computer Science, Free University of Bozen-Bolzano, Italy

  • Venue:
  • Conceptual Modeling: Foundations and Applications
  • Year:
  • 2009

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Abstract

This chapter considers the different temporal constructs appeared in the literature of temporal conceptual models (timestamping and evolution constraints ), and it provides a coherent model-theoretic formalisation for them. It then introduces a correct and succinct encoding in a subset of first-order temporal logic, namely ${{\mathcal DLR}_{\mathcal US}}$ --- the description logic ${\mathcal DLR}$ extended with the temporal operators Since and Until . At the end, results on the complexity of reasoning in temporal conceptual models are presented.