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SODA
2010
ACM
187views Algorithms» more  SODA 2010»
15 years 9 months ago
An Improved Competitive Algorithm for Reordering Buffer Management
We design and analyze an on-line reordering buffer management algorithm with improved O log k log log k competitive ratio for non-uniform costs, where k is the buffer size. This i...
Noa Avigdor-Elgrabli, Yuval Rabani
CVPR
2010
IEEE
15 years 8 months ago
Discrete minimum ratio curves and surfaces
Graph cuts have proven useful for image segmentation and for volumetric reconstruction in multiple view stereo. However, solutions are biased: the cost function tends to favour ei...
Fred Nicolls, Phil Torr
SWAT
2010
Springer
279views Algorithms» more  SWAT 2010»
15 years 4 months ago
Online Function Tracking with Generalized Penalties
We attend to the classic setting where an observer needs to inform a tracker about an arbitrary time varying function f : N0 → Z. This is an optimization problem, where both wron...
Marcin Bienkowski, Stefan Schmid
SIGECOM
2010
ACM
140views ECommerce» more  SIGECOM 2010»
15 years 4 months ago
Better vaccination strategies for better people
In this paper, we study the vaccination of graphs against the outbreak of infectious diseases, in the following natural model generalizing a model by Aspnes et al.: An infectious ...
Po-An Chen, Mary David, David Kempe
FUN
2010
Springer
219views Algorithms» more  FUN 2010»
15 years 3 months ago
The Magic of a Number System
We introduce a new number system that supports increments with a constant number of digit changes. We also give a simple method that extends any number system supporting increments...
Amr Elmasry, Claus Jensen, Jyrki Katajainen