Fighting spam with statistics
نویسندگان
چکیده
منابع مشابه
Fighting Web Spam
High ranking of a Web site in search engines can be directly correlated to high revenues. This amplifies the phenomenon of Web spamming which can be defined as preparing or manipulating any features of Web documents or hosts to mislead search engines’ ranking algorithms to gain an undeservedly high position in search results. Web spam remarkably deteriorates the information quality available on...
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We have traditionally viewed spam from the receiver’s point of view: mail servers assaulted by a barrage of spam from which we must pick out a handful of legitimate messages. In this paper we describe a system for better filtering spam by exploiting the vantage point of the spammer. By instantiating and monitoring botnet hosts in a controlled environment, we are able to monitor new spam as it i...
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In this paper, we present the design and implementation of HoneySpam, a fully operating framework that is based on honeypot technologies and is able to address the most common malicious spammer activities. The idea is to fight spamming at the sources rather than at the receivers, as it is done by the large majority of proposals and products. The present features of HoneySpam include slowdown of...
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In 1992, Dwork and Naor proposed that e-mail messages be accompanied by easy-to-check proofs of computational effort in order to discourage junk e-mail, now known as spam. They proposed specific CPU-bound functions for this purpose. Burrows suggested that, since memory access speeds vary across machines much less than do CPU speeds, memory-bound functions may behave more equitably than CPU-boun...
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The Web is both an excellent medium for sharing information as well as an attractive platform for delivering products and services. This platform is, to some extent, mediated by search engines in order to meet the needs of users seeking information. Search engines are the “dragons” that keep a valuable treasure: information [8]. Given the vast amount of information available on the Web, it is c...
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ژورنال
عنوان ژورنال: Significance
سال: 2004
ISSN: 1740-9705
DOI: 10.1111/j.1740-9713.2004.021.x