Sciweavers

212 search results - page 5 / 43
» Competitive Online Approximation of the Optimal Search Ratio
Sort
View
CSO
2009
IEEE
14 years 2 months ago
Competitive Analysis of Online Price Discount Replacement Problem
When a paid price discount activity occurs, the decisionmaker must decide whether or not and when to pay the additional fees for preferential price in an online fashion. This prob...
Lili Ding, Xinmin Liu, Wanglin Kang
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...
SWAT
2010
Springer
270views Algorithms» more  SWAT 2010»
14 years 20 days ago
An O(log log n)-Competitive Binary Search Tree with Optimal Worst-Case Access Times
We present the zipper tree, the first O(log log n)-competitive online binary search tree that performs each access in O(log n) worst-case time. This shows that for binary search ...
Prosenjit Bose, Karim Douïeb, Vida Dujmovic, ...
WADS
2007
Springer
131views Algorithms» more  WADS 2007»
14 years 1 months ago
On the Robustness of Graham's Algorithm for Online Scheduling
While standard parallel machine scheduling is concerned with good assignments of jobs to machines, we aim to understand how the quality of an assignment is affected if the jobs’...
Michael Gatto, Peter Widmayer
PPSN
2010
Springer
13 years 6 months ago
Tight Bounds for the Approximation Ratio of the Hypervolume Indicator
The hypervolume indicator is widely used to guide the search and to evaluate the performance of evolutionary multi-objective optimization algorithms. It measures the volume of the ...
Karl Bringmann, Tobias Friedrich