Randomized Competitive Analysis for Two-Server Problems

被引：0
|
作者：
Bein, Wolfgang [1 ]
Iwama, Kazuo [2 ]
Kawahara, Jun [2 ]
机构：
[1] Univ Nevada, Sch Comp Sci, Ctr Adv Study Algorithms, Las Vegas, NV 89154 USA
[2] Kyoto Univ, Sch Informat, Kyoto 6068501, Japan
来源：
ALGORITHMS - ESA 2008 | 2008年 / 5193卷
关键词：
D O I：
暂无
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
We prove that there exits a randomized online algorithm for the 2-server 3-point problem whose expected competitive ratio is at most 1.5897. This is the first nontrivial upper bound for randomized k-server algorithms in a general metric space whose competitive ratio is well below the corresponding deterministic lower bound (= 2 in the 2-server case).
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页码：161 / +
页数：3
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