Exploració per autor "Oganian, Anna"

Ara es mostren els items 1-3 de 3

    • A posteriori disclosure risk measure for tabular data based on conditional entropy 

      Oganian, Anna; Domingo Ferrer, Josep (Institut d'Estadística de Catalunya, 2003)
      Article
      Accés obert
      Statistical database protection, also known as Statistical Disclosure Control (SDC), is a part of information security which tries to prevent published statistical information (tables, individual records)from disclosing ...

    • A second order cone formulation of continuous CTA model 

      Lesaja, Goran; Castro Pérez, Jordi; Oganian, Anna (Springer, 2016)
      Text en actes de congrés
      Accés obert
      In this paper we consider a minimum distance Controlled Tabular Adjustment (CTA) model for statistical disclosure limitation (control) of tabular data. The goal of the CTA model is to find the closest safe table to some ...

    • Multiplicative noise for masking numerical microdata with constraints 

      Oganian, Anna (Institut d'Estadística de Catalunya, 2011)
      Article
      Accés obert
      Before releasing databases which contain sensitive information about individuals, statistical agencies have to apply Statistical Disclosure Limitation (SDL) methods to such data. The goal of these methods is to minimize ...