Natural language processing
Carnegie Institute
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NLP Unit 2 Class Notes
- Class notes • 21 pages • 2023
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UNIT II:Word Level Analysis:Unsmoothed N-grams, Evaluating N-grams, Smoothing, 
Interpolation and Backoff – Word Classes, Part-of-Speech Tagging, Rule-based, Stochastic 
and Transformation-based tagging, Issues in PoS tagging – Hidden Markov and Maximum 
Entropy models,Viterbi algorithms and EM training.
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Natural Language Processing Class Notes
- Class notes • 13 pages • 2023
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- $7.79
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The document includes the following topics - UNIT I:Introduction: Origins and challenges of NLP – Language Modeling: Grammar based LM, Statistical LM – Regular Expressions, Finite-State Automata – English 
Morphology, Transducers for lexicon and rules, Tokenization, Detecting and Correcting Spelling Errors, Minimum Edit Distance. 
UNIT II:Word Level Analysis:Unsmoothed N-grams, Evaluating N-grams, Smoothing, Interpolation and Backoff – Word Classes, Part-of-Speech Tagging, Rule-based, ...
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