• Block coordinate descent decomposition for statistical data protection using controlled tabular adjustment 

    González Alastrué, José Antonio; Castro Pérez, Jordi (2009-10)
    Report de recerca
    Accés restringit per acord de confidencialitat
    Tabular data is routinely released by national statistical agencies (NSA) to disseminate aggregated information from some particular microdata. Prior to publication, these tables have to be treated to preserve information ...
  • Privacy homomorphisms for statistical confidentiality 

    Domingo Ferrer, Josep (Institut d'Estadística de Catalunya, 1996)
    Accés obert
    When publishing contingency tables which contain official statistics, a need to preserve statistical confidentiality arises. Statistical disclosure of individual units must be prevented. There is a wide choice of techniques ...