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在线社交网络中Spam相册检测方案
社交网络安全 Photo Spam Spam检测 人人网
2016/12/3
提出一种针对Spam相册的检测方案。首先分析了Photo Spam的攻击特点以及与传统Spam的差异,在此基础上构造了12个提取及时且计算高效的特征。利用这些特征提出了有监督学习的检测模型,通过2 356个相册的训练形成Spam相册分类器,实验表明能够正确检测到测试集中100%的Spam相册和98.2%的正常相册。最后将训练后的模型应用到包含315 115个相册的真实数据集中,检测到89 163个...
An Economic Analysis of Spam Law
Spam Junk emails Unsolicited commercial emails Unsolicited bulkemails Information services Externalities Cyberlaw Internet law
2009/11/23
In this paper, I develop an economic argument for regulating the sending of junk emails, and examine the efficiency of various approaches to regulate junk emails. The first part of the paper develops ...
基于SPAM-FPT的WebLog访问序列模式挖掘
序列模式挖掘 WebLog 频繁子序列
2009/4/22
WebLog访问序列模式挖掘将数据挖掘中的序列模式技术应用于Web服务器上的日志文件,以此来改善Web的信息服务,而在对海量的数据挖掘时,系统资源开销很大。该文结合SPAM、PrefixSpan的思想,提出一个新的算法——SPAM-FPT,该算法通过建立First_Positon_Table,避免了SPAM中的“与操作”、“连接操作”以及PrefixSpan中大量的“投影数据库”的建立,可以快捷地...
Sender and Receiver Addresses as Cues for Anti-Spam Filtering
Spam unsolicited e-mail junk mail e-mail address filter
2014/3/12
This study analysed the sender and receiver addresses of 3,417 unsolicited e-mails.Over 60.3% of unsolicited e-mails were found to have an invalid sender address and 92.8% receiver addresses did not a...