"Fairness Through Awareness" makes the observation that sometimes, in
order to be fair, it is important to make use of sensitive information
while carrying out the classification task. This may be a little
counterintuitive: The instinct might be to hide information that could
be the basis of discrimination.
-- Cynthia Dwork, Microsoft Research, referring to her own paper,
in an interview by
Claire Cain Miller, "Algorithms and Bias: Q. and A. With Cynthia Dwork"
New York Times (Aug. 10, 2015)
http://www.nytimes.com/2015/08/11/upshot/algorithms-and-bias-q-and-a-with-cynthia-dwork.html