Making the Most of Crowdsourced Document Annotations: Confused Supervised LDA Paul Felt author Eric Ringger author Jordan Boyd-Graber author Kevin Seppi author 2015-07 text Proceedings of the Nineteenth Conference on Computational Natural Language Learning Association for Computational Linguistics Beijing, China conference publication felt-etal-2015-making 10.18653/v1/K15-1020 https://aclanthology.org/K15-1020/ 2015-07 194 203