Transcription of Finding scientific topics
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Colloquium Finding scientific topics Thomas L. Griffiths* and Mark Steyvers . *Department of Psychology, Stanford University, Stanford, CA 94305; Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139-4307; and Department of Cognitive Sciences, University of California, Irvine, CA 92697. A first step in identifying the content of a document is determining our algorithm to a corpus consisting of abstracts from PNAS. which topics that document addresses. We describe a generative from 1991 to 2001, determining the number of topics needed to model for documents, introduced by Blei, Ng, and Jordan [Blei, account for the information contained in this corpus and ex- D.]
Apr 06, 2004 · Viewing documents as mixtures of probabilistic topics makes it possible to formulate the problem of discovering the set …
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