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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... training set and then use this trained model to compute probabilities on the test set. This training-and-testing paradigm can also be used to evaluate different N-gram architectures. Suppose we want to compare different language models ...
... trained on. We saw in Section 4.3 that in order to train statistical models like taggers or N-grams, we need to set aside a training set. The design of the training set or training corpus needs to be carefully considered. If the training ...
... training set and test set , then do 10 - fold cross - validation inside the training set , but compute error rate the normal way in the test set . Once we have a test set , we evaluate taggers by comparing their labeling of the test set ...
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Speech and Language Processing: An Introduction to Natural Language ... Daniel Jurafsky,James H. Martin No preview available - 2009 |