On the Impossibility of Convex Inference in Human Computation

21 Nov 2014 Nihar B. Shah Dengyong Zhou

Human computation or crowdsourcing involves joint inference of the ground-truth-answers and the worker-abilities by optimizing an objective function, for instance, by maximizing the data likelihood based on an assumed underlying model. A variety of methods have been proposed in the literature to address this inference problem... (read more)

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