A Fuzzy Logic-based Trust Model in Grid

被引:15
|
作者
Liao, Hongmei [1 ]
Wang, Qianping [1 ]
Li, Guoxin [2 ]
机构
[1] China Univ Min & Technol, Sch Comp Sci & Technol, Xuzhou 221008, Peoples R China
[2] China Univ Mining & Technol, Sch Informat & Elect Engn, Xuzhou, Peoples R China
关键词
trust model; grid; fuzzy comprehensive evaluation;
D O I
10.1109/NSWCTC.2009.218
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Trust is a fundamental concern in Grid environment. In this paper, we focus on the behavior trust that varies with time. Because of the fuzzy nature of trust, it is more appropriate to adopt fuzzy logic to express and compute trust than adopt probabilities approach. A new behavior trust model based on fuzzy-logic in Grid environment is proposed. By variable weighted fuzzy comprehensive evaluation, Direct Trust can be gotten; by derivation and combination of trust, Reputation can be obtained. Expert's experience is used to set and simplify fuzzy rules. Malicious recommendation in trust transmission process are also be removed and punished in this model. Simulation results show that entities in Grid can use resources or deploy services more securely in the support of this fuzzy trust model.
引用
收藏
页码:608 / +
页数:2
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