Search for dissertations about: "Tree metrics"
Showing result 1 - 5 of 13 swedish dissertations containing the words Tree metrics.
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1. Aspects of Modeling Fraud Prevention of Online Financial Services
Abstract : Banking and online financial services are part of our critical infrastructure. As such, they comprise an Achilles heel in society and need to be protected accordingly. The last ten years have seen a steady shift from traditional show-off hacking towards cybercrime with great economic consequences for society. READ MORE
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2. Development of New Methods for Inferring and Evaluating Phylogenetic Trees
Abstract : Inferring phylogeny is a difficult computational problem. Heuristics are necessary to minimize the time spent evaluating non optimal trees. In paper I, we developed an approach for heuristic searching, using a genetic algorithm. Genetic algorithms mimic the natural selections ability to solve complex problems. READ MORE
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3. Remote Sensing of Urbanization and Environmental Impacts
Abstract : The unprecedented growth of urban areas all over the globe is nowadays maybe most apparent in China having undergone rapid urbanization since the late 1970s. The need for new residential, commercial and industrial areas leads to new urban regions challenging sustainable development and the maintenance and creation of a high living standard as well as the preservation of ecological functionality. READ MORE
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4. Progress in Hierarchical Clustering & Minimum Weight Triangulation
Abstract : In this thesis we study efficient computational methods for geometrical problems of practical importance and theoretical interest. The problems that we consider are primarily complete linkage clustering, minimum spanning trees, and approximating minimum weight triangulation. Below is a list of the main results proved in the thesis. READ MORE
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5. Adaptive Real-time Monitoring for Large-scale Networked Systems
Abstract : Large-scale networked systems, such as the Internet and server clusters, are omnipresent today. They increasingly deliver services that are critical to both businesses and the society at large, and therefore their continuous and correct operation must be guaranteed. READ MORE