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» The Shortcut Problem - Complexity and Approximation
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CAD
2006
Springer
15 years 3 months ago
Cone spline approximation via fat conic spline fitting
Fat conic section and fat conic spline are defined. With well established properties of fat conic splines, the problem of approximating a ruled surface by a tangent smooth cone sp...
Xunnian Yang, Weiping Yang
137
Voted
DASFAA
2009
IEEE
136views Database» more  DASFAA 2009»
15 years 10 months ago
A Two-Tire Index Structure for Approximate String Matching with Block Moves
Many applications need to solve the problem of approximate string matching with block moves. It is an NP-Complete problem to compute block edit distance between two strings. Our go...
Bin Wang, Long Xie, Guoren Wang
IPL
2011
91views more  IPL 2011»
14 years 10 months ago
A note on improving the performance of approximation algorithms for radiation therapy
The segment minimization problem consists of representing an integer matrix as the sum of the fewest number of integer matrices each of which have the property that the non-zeroes...
Therese C. Biedl, Stephane Durocher, Holger H. Hoo...
FOCS
1999
IEEE
15 years 7 months ago
Approximate Nearest Neighbor Algorithms for Hausdorff Metrics via Embeddings
Hausdorff metrics are used in geometric settings for measuring the distance between sets of points. They have been used extensively in areas such as computer vision, pattern recog...
Martin Farach-Colton, Piotr Indyk
142
Voted
ESA
2006
Springer
136views Algorithms» more  ESA 2006»
15 years 7 months ago
Approximation in Preemptive Stochastic Online Scheduling
Abstract. We present a first constant performance guarantee for preemptive stochastic scheduling to minimize the sum of weighted completion times. For scheduling jobs with release ...
Nicole Megow, Tjark Vredeveld