Slide 1What will we study in this course?SyntaxSemanticsPragmatics – The influence of contextSlide 6Current Real World ApplicationsInstructorLogisticsCS4705Natural Language ProcessingFall 2009What will we study in this course?How can machines recognize and generate text and speech? –Human language phenomena–Theories, often drawn from linguistics, psychology–Algorithms–ApplicationsSyntaxWord Order–John hit Bill –Bill was hit by John–Bill hit John–Bill, John hit–Who John hit was BillSemanticsWord meaning–John picked up a bad cold.–John picked up a large rock.–John picked up Radio Netherlands on his radio.Pragmatics – The influence of context“Going Home'' - A play in one actScene 1: Pennsylvania Station, NYBonnie: Long Beach?Passerby: Downstairs, LIRR Station.Scene 2: Ticket Counter, LIRR StationBonnie: Long Beach?Clerk: $4.50.Current Real World ApplicationsSearching very large text and speech corpora: e.g. the WebQuestion answering over the webTranslating between one language and another: e.g. Arabic and EnglishSummarizing very large amounts of text: e.g. your email, the newsDialogue systems: e.g. Amtrak’s ‘Julie’InstructorKathy McKeownOffice: 722 CEPSRHead NLP Group25 years at Columbia, Department Chair for 6Research–Summarization–Question Answering–Language Generation–Multimedia ExplanationLogisticsInstructor: Kathy McKeown–([email protected])–Office and hours: CEPSR 722, Tues 4-5, Wed 4-5Syllabus available at
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