Titlebook: Models, Algorithms, and Technologies for Network Analysis; NET 2016, Nizhny Nov Valery A. Kalyagin,Alexey I. Nikolaev,Oleg A. Prok Conferen

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ill exists the possibility of malicious workers finding a way to cheat or spam the system. Finally, even if all human workers are truthful and accurate, substantial variation in their answers can still arise due to individual differences in perception or interpretation of the question. A piece of mu