A MULTIPLE CRITERIA MODEL FOR THE ALLOCATION OF DATA FILES IN A DISTRIBUTED INFORMATION-SYSTEM

被引：6
|
作者：
LEE, H [1 ]
SHENG, ORL [1 ]
机构：
[1] UNIV ARIZONA,DEPT MANAGEMENT INFORMAT SYST,TUCSON,AZ 85721
来源：
COMPUTERS & OPERATIONS RESEARCH | 1992年 / 19卷 / 01期
关键词：
D O I：
10.1016/0305-0548(92)90056-B
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper addresses a multiple objective optimization model to determine the file allocation and query routing assignment in a distributed information system. The problem is formulated as a zero-one integer nonlinear programming problem with multiple objectives. The optimization problem under consideration is shown to be NP-hard. We adopt an iterative improvement procedure, which gives the Pareto optimal solution. We further illustrate our methodology with a small sample system.
引用
收藏
页码：21 / 33
页数：13
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