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Basic Text Processing

Basic Text Processing. Regular Expressions. Regular expressions. A formal language for specifying text strings How can we search for any of these? woodchuck woodchucks Woodchuck Woodchucks. Regular Expressions: Disjunctions. Letters inside square brackets [] Ranges [A-Z].

1.2k views • 102 slides

Basic Text Processing

Basic Text Processing. Regular Expressions. Regular expressions. A formal language for specifying text strings How can we search for any of these? woodchuck woodchucks Woodchuck Woodchucks. Regular Expressions: Disjunctions. Letters inside square brackets [] Ranges [A-Z].

1.2k views • 102 slides

Basic Text Processing

973 views • 97 slides

Basic Text Processing

Basic Text Processing. IP notices: slides from D. Jurafsy, C. Manning and S. Batzoglou. Outline. Regular Expressions Tokenization Word Tokenization Normalization Lemmatization and stemming Sentence Tokenization Minimum Edit Distance Levenshtein distance Needleman- Wunsch

963 views • 96 slides

NLP fundamentals

NLP fundamentals. Regular Expressions. Regular expressions. A formal language for specifying text strings How can we search for any of these? woodchuck woodchucks Woodchuck Woodchucks. Regular Expressions: Disjunctions. Letters inside square brackets [] Ranges [A-Z].

876 views • 71 slides

Basic Text Processing

Basic Text Processing. Many slides from Dan Jurafsky , Stanford. Text Normalization. Every NLP task needs to do text normalization: Segmenting/tokenizing words in running text Normalizing word formats Segmenting sentences in running text. Basic Text Processing. Word tokenization.

463 views • 46 slides

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????? ???? ?????? - ????? ????? ????? ?????????. ???? ?????? ?????? ????? ????? ?????????? ?? ????. ???? ???? ?????????. ??????: Recognizer : ??? ???? ??? ????? ?? ?? Generator : ????? ????? ?????? ????????? ????? Parser : ???? ????? ????????? ????? Stemmer :???? ???? ( stem ) ?? ????

406 views • 27 slides

????? ???? ?????? - ????? ????? ????? ?????????

????? ???? ?????? - ????? ????? ????? ?????????. ???? ?????? ?????? ????? ????? ?????????? ?? ????. ??? ????? ??? ????? ????????!. ???? ???? ?????????. ??????: Recognizer : ??? ???? ??? ????? ?? ?? (???????? WORD ) Generator : ????? ????? ?????? ????????? ????? (??????? ???? ????).

421 views • 26 slides