%0 Journal Article %J The American Statistician %D 2006 %T A framework for evaluating the utility of data altered to protect confidentiality %A A. F. Karr %A C. N. Kohnen %A A. Oganyan %A J. P. Reiter %A A. P. Sanil %B The American Statistician %V 60 %P 224-232 %G eng