Browsing Wydział Fizyki i Informatyki Stosowanej | Faculty of Physics and Applied Informatics by Subject "allegories"

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    • Modalities for an Allegorical Conceptual Data Model 

      Zielinski, Bartosz; Maślanka, Paweł; Sobieski, Ścibor (MDPI AG, 2014)
      Allegories are enriched categories generalizing a category of sets and binary relations. In this paper, we extend a new, recently-introduced conceptual data model based on allegories by adding support for modal operators ...

    • Weak n-Ary Relational Products in Allegories 

      Zielinski, Bartosz; Maślanka, Paweł (MDPI AG, 2014)
      Allegories are enriched categories generalizing a category of sets and binary relations. Accordingly, relational products in an allegory can be viewed as a generalization of Cartesian products. There are several definitions ...