15. The system of claim 11 wherein the objective questions comprise binary questions.
11. In a computing environment, a system comprising: a memory; one or more processors coupled to the memory; and a label assignment mechanism, implemented on the one or more processors, and configured to assign a label from among a set of labels to a data sample, the label assignment mechanism configured to determine which label to assign to the data sample based upon a path of objective questions and a plurality of sets of answers to the objective questions posed to at least two human judges, wherein for each set of answers the label assignment mechanism is configured to traverse a tree-like structure of the objective questions in a depth first fashion and associate each path ending in a leaf node to one label from among the set of labels to generate a plurality of labels associated with the plurality of sets of answers, and wherein the determining includes identifying a single label for the data sample using the plurality of labels associated with the plurality of sets of answers.