Access control in semantic grid

被引：8
作者：
Bu, GY [1 ]
Xu, ZW [1 ]
机构：
[1] Chinese Acad Sci, Inst Comp Technol, Beijing 100080, Peoples R China
来源：
FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE | 2004年 / 20卷 / 01期
基金：
中国国家自然科学基金;
关键词：
semantic grid; access control; Vega grid; asynchronous automaton;
D O I：
10.1016/S0167-739X(03)00168-7
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The semantic grid (SG) aims at connecting information silos of web into a gigantic database, and supplying only the useful information to the users. Much advance has been made on information representation, extraction and sharing, but access control in SG is seldom discussed. This paper presents an access control model for semantic gird, which uses asynchronous automata to simulate grid nodes and grids. The classic Bell-LaPadula model is extended to deal with security properties of SG. Based on application scenarios of information sharing in China railways industry, this model is used to study convergence and consistence problems in SG. A prototype is implemented to verify our model. (C) 2003 Published by Elsevier B.V.
引用
收藏
页码：113 / 122
页数：10
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