منابع مشابه
GNCGCP - Graduated NonConvexity and Graduated Concavity Procedure
In this paper we propose the Graduated NonConvexity and Graduated Concavity Procedure (GNCGCP) as a general optimization framework to approximately solve the combinatorial optimization problems on the set of partial permutation matrices. GNCGCP comprises two sub-procedures, graduated nonconvexity (GNC) which realizes a convex relaxation and graduated concavity (GC) which realizes a concave rela...
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This paper presents an approach to differentially constrained robot motion planning and efficient replanning. Satisfaction of differential constraints is guaranteed by the search space which consists of motions that satisfy the constraints by construction. Any systematic replanning algorithm, e.g. D*, can be utilized to search the state lattice to find a motion plan that satisfies the different...
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BadRank is a method for detecting spam web sites, based on the premise that a page is spam if it points to another spam page; i.e., the BadRank score of a page is the weighted sum of the BadRank scores of the pages that it links to. BadRank is an important tool in spam detection. We consider the mathematical structure of BadRank, showing how it can be modified to guarantee that the iterates con...
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BACKGROUND Graduated driver licensing (GDL) adds an intermediate stage to driver licensing between the learner permit and full licensure stages that is intended to ameliorate the high risk of novice drivers. OBJECTIVES To assess the contribution of various elements of GDL to reduction in the crash rates of young novice drivers. METHODS An extensive review of the literature was undertaken to...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1907
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(01)54609-7