Horizontal Fragmentation for Data Outsourcing with Formula-Based Confidentiality Constraints

被引：0
|
作者：
Wiese, Lena [1 ]
机构：
[1] Res Org Informat & Syst, Natl Inst Informat, Chiyoda Ku, Tokyo 1018430, Japan
来源：
ADVANCES IN INFORMATION AND COMPUTER SECURITY | 2010年 / 6434卷
关键词：
DATABASES;
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：
This article introduces the notion of horizontal fragmentation to the data outsourcing area. In a horizontal fragmentation, rows of tables are separated (instead of columns for vertical fragmentation). We give a formula-based definition of confidentiality constraints and an implication-based definition of horizontal fragmentation correctness. Then we apply the chase procedure to decide this correctness property and present an algorithm that computes a correct horizontal fragmentation.
引用
收藏
页码：101 / 116
页数：16
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