7. One or more computer-readable media as recited in claim 6 , further storing computer-executable instructions that, when executed on the one or more processors, cause the one or more processors to perform an act comprising selecting a second set of elements from the group of elements for labeling by the one or more human users, the selecting based at least in part on a sample selection bias of the second set of elements.
7. One or more computer-readable media as recited in claim 6 , further storing computer-executable instructions that, when executed on the one or more processors, cause the one or more processors to perform an act comprising selecting a second set of elements from the group of elements for labeling by the one or more human users, the selecting based at least in part on a sample selection bias of the second set of elements. 8. One or more computer-readable media as recited in claim 7 , wherein the selecting of the second set of elements comprises maximizing a function that is based at least in part on the sample selection bias of the second set of elements and the uncertainty of each respective element.