I am grateful to Luc Segoufin who kindly accepted me to be his PhD student. He introduced me to the problem of query enumeration and encouraged me to look for the answers to all the questions that emerged during our collaboration. He was a truly great advisor, always supportive and available

. This is because such approaches treat points as vectors in space and do not exploit their spatial properties. In contrast, we use Hilbert curves as ef cient one-way transformations and design algorithms to evaluate a KNN query in the Hilbert transformed space. Consequently, we reduce the complexity of computing a

Optimization is a promising way to generate new animations from a minimal amount of input data. Physically based optimization techniques, however, are difficult to scale to complex animated characters, in part because evaluating and differentiating physical quantities becomes prohibitively slow

and backchase

Differentiation tools enable team members to compare two or more text files, e.g. code or documentation, after change. Although a number of general-purpose differentiation tools exist for comparing text documents very few tools exist for comparing diagrams. We describe a new approach for realising

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this weight within a few years of treatment . Obesity treatments for children and adolescents have yielded similar effects, though behavioral family-based interventions have produced more persistent weight loss effects Studies have evaluated four major types of interventions that were expected to produce

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Abstract—Causal processing of a signal’s samples is crucial in on-line applications such as audio rate conversion, compression, tracking and more. This paper addresses the problems of predict-ing future samples and causally interpolating deterministic sig-nals. We treat a rich variety of sampling

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