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ACM Transactions on Spatial Algorithms and Systems, 2015
Due to the proliferation of GPS-enabled devices in vehicles or with people, large amounts of position data are recorded every day and the management of such mobility data, also called trajectories, is a very active research field. A lot of effort has gone into discovering “semantics” from the raw geometric trajectories by relating them to the spatial ...
R. H. Guting, F. Valdes, M.L. Damiani
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Due to the proliferation of GPS-enabled devices in vehicles or with people, large amounts of position data are recorded every day and the management of such mobility data, also called trajectories, is a very active research field. A lot of effort has gone into discovering “semantics” from the raw geometric trajectories by relating them to the spatial ...
R. H. Guting, F. Valdes, M.L. Damiani
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Journal of Adolescence, 2013
AbstractThis special section brings together five studies using group‐based modeling to capture developmental trajectories of loneliness from age 7 through age 20. Together, the findings from these studies provide further evidence that developmental trajectories of loneliness are likely not best understood at a continuum but reflect distinct ...
Manfred H M, van Dulmen, Luc, Goossens
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AbstractThis special section brings together five studies using group‐based modeling to capture developmental trajectories of loneliness from age 7 through age 20. Together, the findings from these studies provide further evidence that developmental trajectories of loneliness are likely not best understood at a continuum but reflect distinct ...
Manfred H M, van Dulmen, Luc, Goossens
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Applied Mathematics and Computation, 2001
The following theorem is proved by using a continuation method: Consider an autonomous differential equation system \[ x'(t)= f(x(t)),\quad x(t_0)= x_0,\tag{1} \] where \(f: \mathbb{R}^n\to \mathbb{R}^n\) satisfies 1. \(f\in C^1(\mathbb{R}^n)\); 2. There is a constant \(k\) such that \(\| f(x)\|< k\) when \(x(\cdot)\) is a solution to problem (1); 3 ...
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The following theorem is proved by using a continuation method: Consider an autonomous differential equation system \[ x'(t)= f(x(t)),\quad x(t_0)= x_0,\tag{1} \] where \(f: \mathbb{R}^n\to \mathbb{R}^n\) satisfies 1. \(f\in C^1(\mathbb{R}^n)\); 2. There is a constant \(k\) such that \(\| f(x)\|< k\) when \(x(\cdot)\) is a solution to problem (1); 3 ...
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