Jessen Yu's Books

Genetic Programming IV

Routine Human-Competitive Machine Intelligence

By: John R. Koza,Martin A. Keane,Matthew J. Streeter,William Mydlowec,Jessen Yu,Guido Lanza

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Genetic Programming IV

Routine Human-Competitive Machine Intelligence

By: John R. Koza,Martin A. Keane,Matthew J. Streeter,William Mydlowec,Jessen Yu,Guido Lanza

Genetic Programming IV: Routine Human-Competitive Machine Intelligence presents the application of GP to a wide variety of problems involving automated synthesis of controllers, circuits, antennas, genetic networks, and metabolic pathways. The book describes fifteen instances where GP has created an entity that either infringes or duplicates the functionality of a previously patented 20th-century invention, six instances where it has done the same with respect to post-2000 patented inventions, two instances where GP has created a patentable new invention, and thirteen other human-competitive results. The book additionally establishes: GP now delivers routine human-competitive machine intelligence GP is an automated invention machine GP can create general solutions to problems in the form of parameterized topologies GP has delivered qualitatively more substantial results in synchrony with the relentless iteration of Moore's Law

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Page Count

626

Publisher

Springer Science & Business Media

Published Date

ISBN 10

0387250670

ISBN 13

9780387250670

Phonetics and Phonology of Tense and Lax Obstruents in German

By: Michael Jessen

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Phonetics and Phonology of Tense and Lax Obstruents in German

By: Michael Jessen

Knowing that the so-called voiced and voiceless stops in languages like English and German do not always literally differ in voicing, several linguists — among them Roman Jakobson — have proposed that dichotomies such as fortis/lenis or tense/lax might be more suitable to capture the invariant phonetic core of this distinction. Later it became the dominant view that voice onset time or laryngeal features are more reasonable alternatives. However, based on a number of facts and arguments from current phonetics and phonology this book claims that the Jakobsonian feature tense was rejected prematurely. Among the theoretical aspects addressed, it is argued that an acoustic definition of distinctive features best captures the functional aspects of speech communication, while it is also discussed how the conclusions are relevant for formal accounts, such as feature geometry. The invariant of tense is proposed to be durational, and its ‘basic correlate’ is proposed to be aspiration duration. It is shown that tense and voice differ in their invariant properties and basic correlates, but that they share a number of other correlates, including F0 onset and closure duration. In their stop systems languages constitute a typology between the selection of voice and tense, but in their fricative systems languages universally tend towards a syncretism involving voicing and tenseness together. Though the proposals made here are intended to have general validity, the emphasis is on German. As part of this focus, an acoustic study and a transillumination study of the realization of /p,t,k,f,s/ vs. /b,d,g,v,z/ in German are presented.

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