Exploració per tema "Formal concept analysis"

Ara es mostren els items 1-3 de 3

    • Characterization of order-like dependencies with formal concept analysis 

      Codocedo, Victor; Baixeries i Juvillà, Jaume; Kaytoue, Mehdi; Napoli, Amedeo (2011)
      Text en actes de congrés
      Accés obert
      Functional Dependencies (FDs) play a key role in many fields of the relational database model, one of the most widely used database systems. FDs have also been applied in data analysis, data quality, knowl- edge discovery ...

    • Characterizing functional dependencies in formal concept analysis with pattern structures 

      Baixeries i Juvillà, Jaume; Kaytoue, Mehdi; Napoli, Amedeo (2014-01-29)
      Article
      Accés restringit per política de l'editorial
      Computing functional dependencies from a relation is an important database topic, with many applications in database management, reverse engineering and query optimization. Whereas it has been deeply investigated in those ...

    • Horn axiomatizations for sequential data 

      Balcázar Navarro, José Luis; Casas Garriga, Gemma (2005-09)
      Report de recerca
      Accés obert
      We propose a notion of deterministic association rules for ordered data. We prove that our proposed rules can be formally justified by a purely logical characterization, namely, a natural notion of empirical Horn approximation ...