Crowdsourcing via Annotator Co-occurrence Imputation and Provable
Symmetric Nonnegative Matrix Factorization
Shahana Ibrahim 1 Xiao Fu 1
Abstract annotation requires substantial human efforts with consider-
able expertise, which are costly. Crowdsourcing techniques
Unsupervised learning of the Dawid-Skene (D&S)
deal with various aspects of data labeling, ranging ...


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