e_legs

Domestic Spying: Errors Cloud Data Mining

In Civil Liberties, Culture of Corruption, Freedom of Information, Freedom of Speech, Global War On Terror, International politics, Iraq War, Laws & Regulation, Media Criticism, Netroots, Technology, Terrorism, US Politics on December 21, 2006 at 10:58 am

Every once in a while the Cato Institute makes an intelligent statement (from Washington Technology):

Data mining’s high error rate makes it wrong for fighting terrorism, according to a new report.

The report by Jim Harper, director of information policy studies at the Cato Institute, and Jeff Jonas, chief scientist with IBM Corp.’s Entity Analytic Solutions Group, said that data mining results in false positive rates of more than 90 percent. The error rate cannot be reduced substantially, they said, because the underlying analysis depends on the existence of terrorism patterns. These are nearly impossible to discern, because such a small amount of data is available.

“The statistical likelihood of false positives is so high that predictive data mining will inevitably waste resources and threaten civil liberties,” they wrote.

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