Speech and Language Processing: An Introduction to Natural Language Processing, Computational Linguistics, and Speech RecognitionFor undergraduate or advanced undergraduate courses in Classical Natural Language Processing, Statistical Natural Language Processing, Speech Recognition, Computational Linguistics, and Human Language Processing.
An explosion of Web-based language techniques, merging of distinct fields, availability of phone-based dialogue systems, and much more make this an exciting time in speech and language processing. The first of its kind to thoroughly cover language technology - at all levels and with all modern technologies - this text takes an empirical approach to the subject, based on applying statistical and other machine-learning algorithms to large corporations. The authors cover areas that traditionally are taught in different courses, to describe a unified vision of speech and language processing. Emphasis is on practical applications and scientific evaluation. An accompanying Website contains teaching materials for instructors, with pointers to language processing resources on the Web. The Second Edition offers a significant amount of new and extended material.
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... suppose we want to find any line in which a particular word , for example , aardvark , appears twice . We can specify this with the regular expression /aardvark.*aardvark/ . Anchors are special characters that anchor regular expressions ...
... Suppose we want to match repeated instances of a string. Perhaps we have a line that has column labels of the form Column 1 Col- umn 2 Column 3. The expression /Column [0-9]+ */ will not match any number of columns; instead, it will ...
... Suppose that we keep our linear predictor w⋅ƒ , but instead of having it predict a probability , we have it predict a ratio of two probabilities . Specifically , suppose we predict the ratio of the probability of being in the class to ...
Other editions - View all
Speech and Language Processing: An Introduction to Natural Language ... Daniel Jurafsky,James H. Martin No preview available - 2009 |