3 resultados para Hidden logic

em Martin Luther Universitat Halle Wittenberg, Germany


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Magdeburg, Univ., Fak. für Informatik, Diss., 2012

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Die wesentliche Aufgabe des Controllings besteht darin, dem Management aufbereitete Informationen zur Verfügung zu stellen. Die zu verarbeitenden Informationen liegen allerdings nicht immer in der gewünschten Genauigkeit vor. Trotz dieser Unschärfe muss eine Beschreibung stattfinden, um eine Entscheidungsfindung zu realsieren. Eine Möglichkeit ist der hier vorgestellte wissensbasierte Ansatz der Fuzzy Logic. Anhand von drei Controllinginstrumenten wird in der vorliegenden Arbeit das Anwendungspotential der Fuzzy Logic im Controlling bewertet.

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This master thesis deals with determining of innovative projects "viability". "Viability" is the probability of innovative project being implemented. Hidden Markov Models are used for evaluation of this factor. The problem of determining parameters of model, which produce given data sequence with the highest probability, are solving in this research. Data about innovative projects contained in reports of Russian programs "UMNIK", "START" and additional data obtained during study are used as input data for determining of model parameters. The Baum-Welch algorithm which is one implementation of expectation-maximization algorithm is used at this research for calculating model parameters. At the end part of the master thesis mathematical basics for practical implementation are given (in particular mathematical description of the algorithm and implementation methods for Markov models).