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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Evolutionäre Sprachtransformation

Jung, Hagen 10 June 2011 (has links) (PDF)
Verwandte Sprachen besitzen Wörter gleichen Ursprungs. Im Laufe der Geschichte ändern diese Wörter ihre Gestalt und lassen sich heute in ähnlicher Form in verschiedenen Sprachen als Kognate wiederfinden. In dieser Arbeit wird ein formales Modell zur Beschreibung dieser Änderungen mit Hilfe von kodierten, lexikalischen Wortlisten entwickelt. Das Modell ist geeignet, automatisch und objektiv die Evolution idealisierter Sprachen mit Hilfe eines Sprach-Phylogeniebaumes abzubilden. Dabei werden die einzelnen Buchstabenveränderungen verwandter Wörter und die rekonstruierten Protoformen untersucht. Insbesondere interessieren solche Buchstabenveränderungen, die für mehrere Wörter einer Sprache synchron stattgefunden haben. Ein weiterer Bestandteil des evolutionären Modells ist die Identifikation von Kognaten, um die möglichen Buchstabenersetzungen zwischen den verwandten Wörtern untersuchen zu können. Für die Rekonstruktion linguistisch plausibler Buchstabenveränderungen und Kognatzuweisungen entlang einer Sprachphylogenie wird ein parsimonisches Kostenmodell verwendet, welches die verschiedenen Sprach- und Transformationsverläufe bewertet. Die Suche nach der plausibelsten Lösung ist NP-vollständig, so dass für den enorm großen Suchraum ein Annäherungsverfahren vorgeschlagen wird. Ausgehend von einer geeigneten Rekonstruktion wird durch sukzessives und minimales Verändern einzelner Transformationen oder Kognatzuweisungen mit Hilfe eines speziell entwickelten Approximationsverfahrens nicht nur eine lokal maximale Lösung, sondern eine global beste Lösung angenähert. Mit dem gewählten umfassenden Ansatz des untersuchten Rekonstruktionsmodells ist eine Sprachentwicklung für kleine Wortlisten in angemessener Zeit berechenbar. Als großer Vorteil ist die Nachvollziehbarkeit aller Einzeltransformationen für den linguistischen Diskurs anzusehen. Insbesonders die Identifikation regulärer Buchstabenersetzungen mit möglicher Interpretation als Lautwandel früherer Sprachen ist hierbei von Bedeutung. / Related languages contain words of the same origin. Through time these words change. Remaining similarities between these words can be detected in different languages. In this work, transformations across lexical wordlist are used to model these changes. To reconstruct the possible pathways of language change an algorithm is choosen that calculates the phylogeny, the appropriate protolanguage and the cognate sets. An evaluation function detects plausible evolutions. Because of the enormous amount of possible solutions an approximative method is proposed that continuously modifies and improves possible solutions.
2

O conceito de protoforma orgânica na determinação da gênese e da natureza do organo-vivente: individuação, forma e vida / The concept of organic protoform in determining of the genesis and nature of the living organism: Individuation, form and life

Santos, Guilherme Francisco 08 August 2017 (has links)
A presente tese se desenvolve por meio da constituição do conceito de protoforma orgânica com o qual objetivamos tratar de relações problemáticas entre as noções gerais de vida e individualidade, particularmente no que se refere ao problema de suas origens, compreendida aqui como o momento privilegiado da gênese organo-vital no qual a tensão entre vida e individualidade se expressa de modo mais evidente. Vida, individualidade e origens se constituem em noções gerais e em grandes temas da investigação e da reflexão filosófica e científica de todos os tempos. O conceito de protoforma orgânica emerge da observação de diversos elementos em um solo histórico-conceitual de investigações científicas e em filosofia natural, que se constitui num conjunto de expressões históricas particulares que investigamos em nossa tese, a saber, os conceitos de monera, de Urschleim e de Urpflanze. Estruturamos o conceito de protoforma orgânica a partir de duas noções-eixo que nortearam o seu sentido. A primeira delas é a noção de uma polaridade entre uma condição pré-individual e uma condição individual como constituinte da forma orgânica. A segunda é a noção de memória orgânica como uma propriedade anímico-psíquica das formas orgânicas universalmente presente, desde os seus níveis mais elementares. Trata-se, assim, de compreender como se dá a relação problemática entre vida e individualidade e como a questão das suas origens pode contribuir para tal compreensão. Assim, o conceito de protoforma orgânica foi estruturado dentro de uma visão morfológica na qual as noções de forma e de orgânico se entrelaçam com as noções de vida e de individualidade. / The present thesis proposes the constitution of the concept of organic protoform with which we aim to deal with problematic relations between the general notions of life and individuality. Particularly with regard to the problem of its origins, understood here as the privileged moment of the genesis of organo-vital beings, at which moment the tension between life and individuality is expressed more clearly. Life, individuality and origins are general notions and themes of research and philosophical and scientific reflection of all time. The concept of organic protoform emerges from the observation of several elements directed to a historical-conceptual soil of scientific investigations and natural philosophy. This basis is constituted by our investigation into a set of particular historical expressions which we investigate in our thesis, namely the concepts of monera, Urschleim and Urpflanze. We structured the concept of organic protoform from two notions-axis that guided its meaning. The first is the notion of a polarity between a preindividual condition and an individual condition as a constituent of the organic form. The second is the notion of organic memory as a psychic property of organic forms universally present, from its most elementary levels. It is therefore a question of understanding how the problematic relationship between life and individuality takes place and how the question of its origins can contribute to this understanding. Thus, the concept of organic protoform was structured within a morphological vision in which the notions of form and of organic intertwine with the notions of life and of individuality.
3

Le design critique et les nouveaux enjeux de conception : un territoire historico-géopolitique de 1960 à nos jours / Critical design and new challenges of conception : a historico-geopolitical domain from 1960 up to the present day

Bertrand, Gwenaëlle 07 November 2016 (has links)
Ce travail de recherche contribue au questionnement sur les nouveaux enjeux de conception soulevés par le design critique. À plusieurs égards, le corpus de cette thèse repose sur une histoire de la contre-histoire. Une manière de faire et de penser dont l’historicité la plus évidente se situe à la fin des années 1960, lorsque certains designers ont souhaité porter le projet vers la mise en œuvre d’un écart afin d’interroger la société par les moyens du design. Une attitude qui instaure la conception à l’instar d’une logique de la désadaptation des habitudes et des manières conventionnelles de penser. La notion de critique, du grec krinein, qui signifie «séparer», «distinguer», prend ici tout son sens en instaurant, non pas une rupture, mais un déplacement, qui aménage des entre-deux et ménage des porosités de la pensée et de la conception. De l’individu augmenté à l’individu modifié, cette thèse révèle de surcroît, l’inquiétude d’une mainmise au delà de l’invention de l’artificiel et aux abords du biologique. Au gré d’un épuisement de la question du critique en design, nous décelons des moyens de déconstruire les systèmes de la discipline et ses réinventions. / This research work aims to contribute to the study of the new challenges of conception raised by critical design. In several respects the corpus of this thesis is based on a history of coun¬ter history, a way of doing and thinking whose conspicuous historicity takes place in the late sixties when a few designers decided to reconsider the notion of project and stray from the straight and narrow in order to question society through the means of design. The notion of criticism - from the Greek krinein meaning «separate», «discriminate» - takes on its full meaning by introducing a shift (not a break) which makes room for inter¬vals and allows sensitive thinking and conception. From human enhancement to human modification, this thesis also reveals a number of concerns which go beyond the invention of artificial means and touch upon biological aspects. Considering that the critical dimen¬sion in the field of design has been exhausted, this research highlights a few ways to deconstruct the operating principles of this discipline as well as its reinventions.
4

O conceito de protoforma orgânica na determinação da gênese e da natureza do organo-vivente: individuação, forma e vida / The concept of organic protoform in determining of the genesis and nature of the living organism: Individuation, form and life

Guilherme Francisco Santos 08 August 2017 (has links)
A presente tese se desenvolve por meio da constituição do conceito de protoforma orgânica com o qual objetivamos tratar de relações problemáticas entre as noções gerais de vida e individualidade, particularmente no que se refere ao problema de suas origens, compreendida aqui como o momento privilegiado da gênese organo-vital no qual a tensão entre vida e individualidade se expressa de modo mais evidente. Vida, individualidade e origens se constituem em noções gerais e em grandes temas da investigação e da reflexão filosófica e científica de todos os tempos. O conceito de protoforma orgânica emerge da observação de diversos elementos em um solo histórico-conceitual de investigações científicas e em filosofia natural, que se constitui num conjunto de expressões históricas particulares que investigamos em nossa tese, a saber, os conceitos de monera, de Urschleim e de Urpflanze. Estruturamos o conceito de protoforma orgânica a partir de duas noções-eixo que nortearam o seu sentido. A primeira delas é a noção de uma polaridade entre uma condição pré-individual e uma condição individual como constituinte da forma orgânica. A segunda é a noção de memória orgânica como uma propriedade anímico-psíquica das formas orgânicas universalmente presente, desde os seus níveis mais elementares. Trata-se, assim, de compreender como se dá a relação problemática entre vida e individualidade e como a questão das suas origens pode contribuir para tal compreensão. Assim, o conceito de protoforma orgânica foi estruturado dentro de uma visão morfológica na qual as noções de forma e de orgânico se entrelaçam com as noções de vida e de individualidade. / The present thesis proposes the constitution of the concept of organic protoform with which we aim to deal with problematic relations between the general notions of life and individuality. Particularly with regard to the problem of its origins, understood here as the privileged moment of the genesis of organo-vital beings, at which moment the tension between life and individuality is expressed more clearly. Life, individuality and origins are general notions and themes of research and philosophical and scientific reflection of all time. The concept of organic protoform emerges from the observation of several elements directed to a historical-conceptual soil of scientific investigations and natural philosophy. This basis is constituted by our investigation into a set of particular historical expressions which we investigate in our thesis, namely the concepts of monera, Urschleim and Urpflanze. We structured the concept of organic protoform from two notions-axis that guided its meaning. The first is the notion of a polarity between a preindividual condition and an individual condition as a constituent of the organic form. The second is the notion of organic memory as a psychic property of organic forms universally present, from its most elementary levels. It is therefore a question of understanding how the problematic relationship between life and individuality takes place and how the question of its origins can contribute to this understanding. Thus, the concept of organic protoform was structured within a morphological vision in which the notions of form and of organic intertwine with the notions of life and of individuality.
5

Evolutionäre Sprachtransformation: Ereignismodell und Rekonstruktionsverfahren für Sprachwandel

Jung, Hagen 06 June 2011 (has links)
Verwandte Sprachen besitzen Wörter gleichen Ursprungs. Im Laufe der Geschichte ändern diese Wörter ihre Gestalt und lassen sich heute in ähnlicher Form in verschiedenen Sprachen als Kognate wiederfinden. In dieser Arbeit wird ein formales Modell zur Beschreibung dieser Änderungen mit Hilfe von kodierten, lexikalischen Wortlisten entwickelt. Das Modell ist geeignet, automatisch und objektiv die Evolution idealisierter Sprachen mit Hilfe eines Sprach-Phylogeniebaumes abzubilden. Dabei werden die einzelnen Buchstabenveränderungen verwandter Wörter und die rekonstruierten Protoformen untersucht. Insbesondere interessieren solche Buchstabenveränderungen, die für mehrere Wörter einer Sprache synchron stattgefunden haben. Ein weiterer Bestandteil des evolutionären Modells ist die Identifikation von Kognaten, um die möglichen Buchstabenersetzungen zwischen den verwandten Wörtern untersuchen zu können. Für die Rekonstruktion linguistisch plausibler Buchstabenveränderungen und Kognatzuweisungen entlang einer Sprachphylogenie wird ein parsimonisches Kostenmodell verwendet, welches die verschiedenen Sprach- und Transformationsverläufe bewertet. Die Suche nach der plausibelsten Lösung ist NP-vollständig, so dass für den enorm großen Suchraum ein Annäherungsverfahren vorgeschlagen wird. Ausgehend von einer geeigneten Rekonstruktion wird durch sukzessives und minimales Verändern einzelner Transformationen oder Kognatzuweisungen mit Hilfe eines speziell entwickelten Approximationsverfahrens nicht nur eine lokal maximale Lösung, sondern eine global beste Lösung angenähert. Mit dem gewählten umfassenden Ansatz des untersuchten Rekonstruktionsmodells ist eine Sprachentwicklung für kleine Wortlisten in angemessener Zeit berechenbar. Als großer Vorteil ist die Nachvollziehbarkeit aller Einzeltransformationen für den linguistischen Diskurs anzusehen. Insbesonders die Identifikation regulärer Buchstabenersetzungen mit möglicher Interpretation als Lautwandel früherer Sprachen ist hierbei von Bedeutung. / Related languages contain words of the same origin. Through time these words change. Remaining similarities between these words can be detected in different languages. In this work, transformations across lexical wordlist are used to model these changes. To reconstruct the possible pathways of language change an algorithm is choosen that calculates the phylogeny, the appropriate protolanguage and the cognate sets. An evaluation function detects plausible evolutions. Because of the enormous amount of possible solutions an approximative method is proposed that continuously modifies and improves possible solutions.

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