| 一种内生式信誉系统不实评价过滤方法 |
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| 引用本文： | 单明辉,倪宏,曾学文,贡佳炜,牛尔力. 一种内生式信誉系统不实评价过滤方法[J]. 计算机工程与应用, 2008, 44(23): 19-21. DOI: 10.3778/j.issn.1002-8331.2008.23.006 |
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| 作者姓名： | 单明辉 倪宏 曾学文 贡佳炜 牛尔力 |
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| 作者单位： | 1. 中国科学院,研究生院,北京,100049;中国科学院,声学研究所,北京,100190
2. 中国科学院,声学研究所,北京,100190 |
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| 基金项目： | 国家科技支撑计划项目资助 , 中科院知识创新工程青年人才领域前沿项目资助 , 中科院声学研究所创新前瞻项目资助 |
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| 摘 要： | 提出一种应用于Beta reputation信誉系统的内生式不实评价过滤方法。该方法以交易次数的对数做为权重进行均值计算,以此限制评价者虚报过大交易量;以加权方差定义容限,识别并过滤与平均信誉度差别较大的评价。仿真结果表明,该方法能有效过滤不实评价,提高信誉计算的精度。
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| 关 键 词： | 信誉 Beta信誉系统 不实评价过滤 内生式 |
| 收稿时间： | 2008-03-20 |
| 修稿时间： | 2008-4-22 |
Endogenous unfair rating filtering method for reputation system |
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| SHAN Ming-hui,NI Hong,ZENG Xue-wen,Gui Jia-wei,Niu Er-li. Endogenous unfair rating filtering method for reputation system[J]. Computer Engineering and Applications, 2008, 44(23): 19-21. DOI: 10.3778/j.issn.1002-8331.2008.23.006 |
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| Authors: | SHAN Ming-hui NI Hong ZENG Xue-wen Gui Jia-wei Niu Er-li |
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| Affiliation: | 1.Graduate University of Chinese Academy of Sciences，Beijing 100049，China 2.Institute of Acoustics，Chinese Academy of Sciences，Beijing 100190，China |
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| Abstract: | In this paper,the authors propose an endogenous unfair rating filtering method for Beta reputation system.The method uses logarithm of interaction times as weight when calculating the average rating,to limit the possible exaggeration of interaction times.Besides,it defines tolerance by weighted variance,to recognize and filter out unfair ratings which are too different from the mean of all ratings.The simulation demonstrates that the method can filter out unfair ratings effectively,improving the precision of the reputation system greatly. |
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| Keywords: | reputation Beta reputation system unfair rating filtering endogenous |
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