By Pierre M. Nugues

ISBN-10: 354025031X

ISBN-13: 9783540250319

ISBN-10: 3540343369

ISBN-13: 9783540343363

This booklet teaches the rules of average language processing and covers linguistics matters. It additionally information the language-processing capabilities concerned, together with part-of-speech tagging utilizing principles and stochastic thoughts. A key function of the ebook is the author's hands-on technique all through, with vast workouts, pattern code in Prolog and Perl, and a close advent to Prolog. The publication is appropriate for researchers and scholars of normal language processing and computational linguistics.

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Additional resources for An introduction to language processing with Perl and Prolog : an outline of theories, implementation, and application with special consideration of English, French, and German

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The instruction $line =~ tr/AEIOUaeiou//d; deletes all the vowels in $line and $line =~ tr/AEIOUaeiou/\$/cs; replaces all nonvowel characters by a $ sign. The contiguous sequences of translated dollar signs are reduced to a single sign. 5 String Operators Perl operators are similar to those of the C and Java languages. 13. The string operators are notable differences. They enable us to concatenate and compare strings. The Boolean operators eq (equal) and ne (not equal) compare two strings. The dot is the concatenation operator: $string1 = "abc"; $string 2 = "def"; $string3 = $string1 .

Dialogue processing classifies the segments into what are called speech acts. At a first level, speech acts comprise dialogue turns: the user turn and the system turn. Then turns are split into sentences, and sentences into questions, declarations, requests, answers, etc. Speech acts can be modeled using finite-state automata or more elaborate schemes using intention and planning theories. 9 Why Speech and Language Processing Are Difficult For all the linguistic levels mentioned in the previous sections, we outlined models and techniques to process speech and language.

4 Translating Characters The instruction tr/search_list/replacement_list/ replaces all the occurrences of the characters in search_list by the corresponding character in replacement_list. The instruction tr/ABC/abc/ replaces the occurrences of A, B, and C by a, b, and c, respectively. The string AbCdEfGhIjKlMnOpQrStUvWxYzÉö results in abcdEfGhIjKlMnOpQrStUvWxYzÉö The hyphen specifies a character range, as in the instruction $line =~ tr/A-Z/a-z/; which converts the uppercase characters to their lowercase equivalents.

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An introduction to language processing with Perl and Prolog : an outline of theories, implementation, and application with special consideration of English, French, and German by Pierre M. Nugues


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