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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... alignment or just forced alignment. In Viterbi training (unlike in Viterbi decoding on the test set) we know which word string to assign to each observation sequence, so we can “force” the Viterbi algorithm to pass through certain words ...
... aligned to verde , and normalize by the total count of green . But of course we don't know the alignments in advance ; all we have are the prob- abilities of each alignment . Recall that Eq . 25.19 showed that if we already had good ...
... alignments to pro- duce a high - precision alignment . Alignment can then be expanded with points from both align- ments to produce an alignment like that shown in Fig . 25.26 . After Koehn ( 2003b ) . bofetada bruja Maria no dió una a ...
Other editions - View all
Speech and Language Processing: An Introduction to Natural Language ... Daniel Jurafsky,James H. Martin No preview available - 2009 |