L1-Intro-NLP.4.pdf - What is Natural Language Processing(NLP Course Goals The process of building computational models for understanding natural

L1-Intro-NLP.4.pdf - What is Natural Language...

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What is Natural Language Processing (NLP) ?
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Levels of Analysis and KnowledgeMorphology: how words are constructed; prefixes & suffixesSyntax: structural relationships between words in a sentence.Semantics: meanings of words, phrases, and expressionsDiscourse: relationships across different sentences or thoughts; contextual effectsPragmatic: the purpose of a statement; how we use language to communicateWorld Knowledge: facts about the world; common senseMorphology• kick, kicks, kicked, kicking• sit, sits, sat, sitting• murder, murdersBut it’s not as simple as naively adding and deleting endings...• gorge, gorgeous• glass, glasses• arm, armyMorphology HumorSyntax: Part-of-Speech TaggingThe boy threw a ball to the brown dog.The armed man saw a bear.
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