一种基于流行度分类特征的托攻击检测算法

李文涛; 高旻; 李华; 熊庆宇; 文俊浩; 凌斌

doi:10.16383/j.aas.2015.c150040

一种基于流行度分类特征的托攻击检测算法

doi: 10.16383/j.aas.2015.c150040

李文涛^1,2,
高旻^1,3, ,,
李华^1,2,
熊庆宇^1,3,
文俊浩^1,3,
凌斌⁴

1.
信息物理社会可信服务计算教育部重点实验室重庆 400044, 中国;
2.
重庆大学计算机学院重庆 400044, 中国;
3.
重庆大学软件学院重庆 400044, 中国;
4.
英国朴茨茅次大学工程学院朴茨茅次 PO1 3AH, 英国

基金项目:

国家重点基础研究发展计划(973计划)(2013CB328903),国家自然科学基金(71102065),重庆市基础与前沿研究计划项目(cstc2015jcyjA40049),中国博士后基金(2012M521680),中央高校基础研究基金(106112014CDJZR095502,CDJZR12090001)资助

详细信息

作者简介:
李文涛重庆大学计算机学院硕士研究生.主要研究方向为个性化推荐与数据挖掘.E-mail:livent@126.com

李华重庆大学计算机学院副教授.主要研究方向为计算机网络,数据挖掘与大数据.E-mail:LH@cqu.edu.cn

熊庆宇重庆大学软件学院教授.主要研究方向为人工神经网络,量子神经计算及其应用.E-mail:xiong03@cqu.edu.cn

文俊浩重庆大学软件学院教授.主要研究方向为计算智能及服务计算.E-mail:jhwen@cqu.edu.cn

凌斌英国朴茨茅次大学电子工程学院研究员.主要研究方向为信息共享,项目管理,推荐系统.E-mail:bin.ling@myport.ac.uk

通讯作者:
高旻重庆大学软件学院副教授.主要研究方向为个性化推荐,服务计算,数据挖掘.本文通信作者.E-mail:mingaoo@gmail.com

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出版历程
- 收稿日期: 2015-01-26
- 修回日期: 2015-06-01
- 刊出日期: 2015-09-20

An Shilling Attack Detection Algorithm Based on Popularity Degree Features

LI Wen-Tao^1,2,
GAO Min^{1,3
, ,},
LI Hua^1,2,
XIONG Qing-Yu^1,3,
WEN Jun-Hao^1,3,
LING Bin⁴

1.
Key Laboratory of Dependable Service Computing in Cyber Physical Society, Ministry of Education Chongqing 400044, China;
2.
College of Computer Science, Chongqing University, Chongqing 400044, China;
3.
School of Software Engineering, Chongqing University, Chongqing 400044, China;
4.
School of Engineering, University of Portsmouth, Portsmouth PO1 3AH, UK

Funds:

Supported by National Key Basic Research Program of China (973 Program) (2013CB328903), National Natural Science Foundation of China (71102065), Basic and advanced research projects in Chongqing (cstc2015jcyjA40049), China Postdoctoral Science Foundation (2012M521680), and Fundamental Research Funds for the Central Universities (106112014CDJZR095502, CDJZR12090001)

摘要

摘要: 基于协同过滤的推荐系统容易受到托攻击的危害, 如何检测托攻击成为推荐系统可靠性的关键. 针对现有托攻击检测手段使用基于评分的分类特征易受混淆技术干扰的局限, 本文从用户选择评分项目方式入手, 分析由此造成的用户概貌中已评分项目的流行度分布情况的不同, 提出用于区分正常用户与虚假用户基于流行度的分类特征, 进而得到基于流行度的托攻击检测算法. 实验表明该算法在托攻击检测中具有更强的检测性能与抗干扰性.
- 协同过滤 /
- 托攻击 /
- 项目流行度 /
- 幂律分布 /
- 基于流行度的分类特征
Abstract: Recommendation systems based on collaborative filtering are vulnerable to shilling attacks, so how to detect attacks becomes crucial to ensure the reliability of these systems. Because the current shilling attack detection methods based on features extracted from rating patterns are susceptible to obfuscation technologies, this paper starts from a statistics analysis of the way users choose items to rate, thus getting the corresponding results of different rated items popularity degree (rated times) distributions in normal users's profiles and spam users' profile. Then classification features based on popularity degree are proposed to distinguish these two types of users. Finally, a shilling attack detection algorithm based on popularity features is developed. Experiments show that the detection performance of the algorithm is superior in attack detection precision and interference resistance.
- Collaborative filtering /
- shilling attack /
- item popularity /
- power-law distribution /
- features based on popularity

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