1802 search results - page 256 / 361 » Complexity Theory for Operators in Analysis |
160
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JACM
1998
15 years 6 months ago
1998
Given a collection Ᏺ of subsets of S ϭ {1, . . . , n}, set cover is the problem of selecting as few as possible subsets from Ᏺ such that their union covers S, and max k-cover ...
154
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ISVD
2010
IEEE
15 years 4 months ago
2010
IEEE
—We study the topology of the Megaparsec Cosmic Web on the basis of the Alpha Shapes of the galaxy distribution. The simplicial complexes of the alpha shapes are used to determin...
125
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GIS
2010
ACM
15 years 4 months ago
2010
ACM
We consider the problem of automatically cleaning massive sonar data point clouds, that is, the problem of automatically removing noisy points that for example appear as a result ...
199
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MOBIHOC
2010
ACM
15 years 4 months ago
2010
ACM
In this paper, we address the problem of preserving generated data in a sensor network in case of node failures. We focus on the type of node failures that have explicit spatial s...
191
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SISAP
2010
IEEE
15 years 4 months ago
2010
IEEE
Determining similarities among multimedia objects is a fundamental task in many content-based retrieval, analysis, mining, and exploration applications. Among state-of-the-art sim...