10414 search results - page 1624 / 2083 » An efficient algorithm for Co-segmentation |
158
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STOC
2007
ACM
16 years 6 months ago
2007
ACM
We demonstrate an average-case problem that is as hard as finding (n)-approximate shortest vectors in certain n-dimensional lattices in the worst case, where (n) = O( log n). The...
245
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
In this paper, we study the evaluation of skyline queries with partially-ordered attributes. Because such attributes lack a total ordering, traditional index-based evaluation algo...
175
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
177
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PODS
2006
ACM
16 years 6 months ago
2006
ACM
Finding icebergs ? items whose frequency of occurrence is above a certain threshold ? is an important problem with a wide range of applications. Most of the existing work focuses ...
159
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MOBIHOC
2007
ACM
16 years 5 months ago
2007
ACM
Recently, there has been substantial interest in the design of crosslayer protocols for wireless networks. These protocols optimize certain performance metric(s) of interest (e.g....