Learning author-topic models from text corpora
作者： Michal Rosen-Zvi , Chaitanya Chemudugunta , Thomas Griffiths , Padhraic Smyth , Mark Steyvers
关键词: Gibbs sampling 、 Information retrieval 、 Computer science 、 Perplexity 、 Document retrieval 、 Unsupervised learning 、 Topic model 、 Probability distribution 、 Text corpus 、 Ranking (information retrieval)
摘要: … In this section we introduce the author-topic model. The author topic model belongs to a family of generative models for text where words are viewed as discrete random variables, a …
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