Exploració per tema "Controlled tabular adjustment"

Ara es mostren els items 1-4 de 4

    • Aplicación del método de Benders para ajuste controlado de tablas (CTA) 

      Baena Mirabete, Daniel (Universitat Politècnica de Catalunya, 2008-02)
      Projecte Final de Màster Oficial
      Accés obert
      La presente memoria tiene como objeto de estudio el desarrollo de un método óptimo (Descomposición de Benders) para CTA como MILP que mejore la calidad de los resultados. La memoria está dividida en 3 bloques. En un ...

    • Extending controlled tabular adjustment for non-additive tabular data with negative protection levels 

      Castro Pérez, Jordi (Institut d'Estadística de Catalunya, 2011)
      Article
      Accés obert
      Minimum distance controlled tabular adjustment (CTA) is a recent perturbative methodology for the protection of tabular data. An implementation of CTA was recently used by Eurostat for the protection of European Union ...

    • Fix-and-relax approaches for controlled tabular adjustment 

      Baena, Daniel; Castro Pérez, Jordi; González Alastrué, José Antonio (2015-06-01)
      Article
      Accés obert
      Controlled tabular adjustment (CIA) is a relatively new protection technique for tabular data protection. CTA formulates a mixed integer linear programming problem, which is challenging for tables of moderate size. Even ...

    • Symmetric vs asymmetric protection levels in SDC methods for tabular data 

      Baena, Daniel; Castro Pérez, Jordi; González Alastrué, José Antonio (Springer, 2018-09)
      Article
      Accés obert
      Protection levels on sensitive cells—which are key parameters of any statistical disclosure control method for tabular data—are related to the difficulty of any attacker to recompute a good estimation of the true cell ...