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Natural Language Processing and Information Retrieval is a textbook designed to meet the requirements of engineering students pursuing undergraduate and postgraduate programs in computer science and information technology.Key FeaturesFocuses on both statistical and semantic approachesIllustrates concepts with examples from Indian languagesProvides coverage on recent applications such as information extraction and text summarizationIncludes a chapter on available lexical resourcesAbout the AuthorU. S. Tiwary is Professor at the International Institute of Information Technology, Allahabad. A PhD in electronics from Banaras Hindu University, he has over 20 years of experience in teaching and research. He has published several research papers.Tanveer Siddiqui , is Assistant Professor at the International Institute of Information Technology, Allahabad. A PhD in computer science, she has over eight years of teaching experienceTable of ContnetsIntroductionLanguage ModelingWord Level AnalysisSyntactic AnalysisSemantic AnalysisDiscourse Context and World KnowledgeNatural Language GenerationMachine TranslationInformation Retrieval-IInformation Retrieval-IIOther ApplicationsLexical Resources