Kim, Sunghwan Mac, Stephen Wan, Cécile Paris, and Andreas Duenser. 2020. “Social Media Relevance Filtering Using Perplexity-Based Positive-Unlabelled Learning”. Proceedings of the International AAAI Conference on Web and Social Media 14 (1):370-81. https://doi.org/10.1609/icwsm.v14i1.7307.