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» Tight lower bounds for the online labeling problem
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IPL
2010
93views more  IPL 2010»
13 years 6 months ago
Randomized algorithms for online bounded bidding
In the online bidding problem, a bidder is trying to guess a positive number T, by placing bids until the value of the bid is at least T. The bidder is charged with the sum of the...
Leah Epstein, Asaf Levin
PAMI
2007
176views more  PAMI 2007»
13 years 7 months ago
Approximate Labeling via Graph Cuts Based on Linear Programming
A new framework is presented for both understanding and developing graph-cut based combinatorial algorithms suitable for the approximate optimization of a very wide class of MRFs ...
Nikos Komodakis, Georgios Tziritas
ICALP
2004
Springer
14 years 1 months ago
Online Scheduling of Equal-Length Jobs: Randomization and Restarts Help
We consider the following scheduling problem. The input is a set of jobs with equal processing times, where each job is specified by its release time and deadline. The goal is to ...
Marek Chrobak, Wojciech Jawor, Jiri Sgall, Tom&aac...
COCOON
2006
Springer
13 years 11 months ago
Improved On-Line Broadcast Scheduling with Deadlines
We study an on-line broadcast scheduling problem in which requests have deadlines, and the objective is to maximize the weighted throughput, i.e., the weighted total length of the ...
Feifeng Zheng, Stanley P. Y. Fung, Wun-Tat Chan, F...
SIROCCO
2007
13 years 9 months ago
Fast Periodic Graph Exploration with Constant Memory
We consider the problem of periodic exploration of all nodes in undirected graphs by using a nite state automaton called later a robot. The robot, using a constant number of state...
Leszek Gasieniec, Ralf Klasing, Russell A. Martin,...