13 resultados para Legitimacy
em Universidade do Minho
Resumo:
Immune systems have been used in the last years to inspire approaches for several computational problems. This paper focus on behavioural biometric authentication algorithms’ accuracy enhancement by using them more than once and with different thresholds in order to first simulate the protection provided by the skin and then look for known outside entities, like lymphocytes do. The paper describes the principles that support the application of this approach to Keystroke Dynamics, an authentication biometric technology that decides on the legitimacy of a user based on his typing pattern captured on he enters the username and/or the password and, as a proof of concept, the accuracy levels of one keystroke dynamics algorithm when applied to five legitimate users of a system both in the traditional and in the immune inspired approaches are calculated and the obtained results are compared.
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Tese de Doutoramento em Contabilidade
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Tese de Doutoramento em Ciências da Educação - Especialidade em Política Educativa
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Tese de Doutoramento em Ciências Jurídicas (área de especialização em Ciências Jurídicas - Públicas)
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Tese de Doutoramento em Arquitectura / Cultura Arquitectónica.
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Dissertação de mestrado em Filosofia Política
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Dissertação de mestrado em Engenharia Industrial (área de especialização em Qualidade, Segurança e Manutenção)
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Many democratic decision making institutions involve quorum rules. Such rules are commonly motivated by concerns about the “legitimacy” or “representativeness” of decisions reached when only a subset of eligible voters participates. A prominent example of this can be found in the context of direct democracy mechanisms, such as referenda and initiatives. We conduct a laboratory experiment to investigate the consequences of the two most common types of quorum rules: a participation quorum and an approval quorum. We find that both types of quora lead to lower participation rates, dramatically increasing the likelihood of full-fledged electoral boycotts on the part of those who endorse the Status Quo. This discouraging effect is significantly larger under a participation quorum than under an approval quorum.
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Tese de Doutoramento em Ciência Política e Relações Internacionais
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Dissertação de mestrado em Direito Administrativo
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Dissertação de mestrado em Ciência Política
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Tese de Doutoramento Ciências Empresariais
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Dissertação de mestrado em Filosofia Política