%0 Journal Article %A Rokach, Lior %A Naamani, Lihi %A Shmilovici, Armin %T Active learning using pessimistic expectation estimators %J Control and Cybernetics %D 2009 %P 261-280 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2009_38_1_a13/ %G en %F CC_2009_38_1_a13