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Technological advances of position aware devices lead to a wealth of data documenting the lifelines of GPS-tracked animals, people, or vehicles. The integration of knowledge discovery techniques in GIS is thus an important research field with respect to the emerging volumes of tracking data. The motivation of this research is to find patterns in the way(More)
The overall goal of the ongoing project is to develop methods for spatio-temporal analysis of relative motion within groups of moving point objects , e.g. GPS-tracked animals. Whereas recent efforts of dealing with dynamic phenomena within the GIScience community mainly concentrated on modeling and representation, this research project concentrates on the(More)
BACKGROUND This study sought to determine possible effects of different antiplatelet therapies on walking exercise performance in intermittent claudication. Aspirin, in contrast to clopidogrel, interferes with processes that increase collateral conductance in an ischemic animal model. METHODS AND RESULTS Patients with stable intermittent claudication were(More)
INTRODUCTION Muscle symptoms in systemic sclerosis (SSc) may originate from altered skeletal muscle microcirculation, which can be investigated by means of blood oxygenation level dependent (BOLD) magnetic resonance imaging (MRI). METHODS After ethics committee approval and written consent, 11 consecutive SSc patients (5 men, mean age 52.6 years, mean SSc(More)
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