PPT-Polarity Inducing Latent Semantic Analysis

Scott Wentau Yih Joint work with Geoffrey Zweig amp John Platt Microsoft Research A vector space model that can distinguish Antonyms from Synonyms Vector Space Model Text objects . uchilecl Richard Weber Sebasti an R 305os Department of Industrial Engineering University of Chile Rep ublica 701 Santiago Chile Email rwebersrios diiuchilecl Abstract Phishing email fraud has been considered as one of the main cyberthreats over the Hongning Wang, . Yue. Lu, . ChengXiang. . Zhai. {. wang296,yuelu2,czhai. }@cs.uiuc.edu. Department of Computer Science University of Illinois at Urbana-Champaign Urbana IL, 61801 USA. 1. Kindle 3. iPad. Daniel . Oberski. Dept. of Methodology & Statistics . Tilburg University, The Netherlands. (with material from Margot . Sijssens-Bennink. & . Jeroen. . Vermunt. ). About Tilburg University Methodology & Statistics. Analysis. . . Kai-Wei Chang. Joint work with. . Scott Wen-tau . Yih, Chris Meek. Microsoft Research. Natural Language Understanding. Build an intelligent system that can interact with human using natural language. Prof. O. . Nierstrasz. Thanks to Jens . Palsberg. and Tony Hosking for their kind permission to reuse and adapt the CS132 and CS502 lecture notes.. http://www.cs.ucla.edu/~palsberg/. http://www.cs.purdue.edu/homes/hosking/. Analysis. . for Lexical Semantics . and . Knowledge Base Embedding. UIUC 2014 . Scott Wen-tau . Yih. Joint work with. Kai-Wei . Chang, Bishan Yang, . Chris Meek, Geoff Zweig, John Platt. Microsoft Research. Jacob Bigelow, April Edwards, Lynne Edwards. Ursinus. College. Motivation for using LSI. Latent Semantic Indexing is thought to bring out the latent semantics amongst a corpus of texts. Breaks a term by document matrix down and reduces the sparseness adding values that represent relationships between words. Analysis. . for Lexical Semantics . and . Knowledge Base Embedding. UIUC 2014 . Scott Wen-tau . Yih. Joint work with. Kai-Wei . Chang, Bishan Yang, . Chris Meek, Geoff Zweig, John Platt. Microsoft Research. Analysis. . . Kai-Wei Chang. Joint work with. . Scott Wen-tau . Yih, Chris Meek. Microsoft Research. Natural Language Understanding. Build an intelligent system that can interact with human using natural language. Review. So far, we’ve covered the following: . . Compilation methods: compilation vs. interpretation.. . The overall . c. ompilation process.. Front-end analysis . Lexical Analysis. Syntax Analysis. Analysis. . . Kai-Wei Chang. Joint work with. . Scott Wen-tau . Yih, Chris Meek. Microsoft Research. Natural Language Understanding. Build an intelligent system that can interact with human using natural language. Prof. Dr. Ralf Möller. Universität zu Lübeck. Institut für Informationssysteme. Tanya Braun (Übungen). Acknowledgements. Slides by: Scott . Wen-tau . Yih. Describing joint work of Scott Wen-tau . A Gentle Introduction…. Hopefully. Angela B. Bradford, PhD, LMFT. School of Family Life. Brigham Young University. Background. Mixture Models (aka “finite mixture models”)- Models based on the idea that there are multiple characteristically different sub-populations within the population, and that those subpopulations are not directly observable. Mixture models characterize and estimate parameters for those sub-populations. Authors: Tin Seong KAM, . Karishma YADAV, . Sue-Ann SEET, Yi Ying TAN . INTRODUCTION. According to WHO, “Depression is a leading cause of disability worldwide and is a major contributor to the overall global burden of disease”. A major stumbling block in the care of depressed patients remains the .