Bill Slawski has an excellent write up on web spam through the eyes of patent applications and published papers. During Bill's research, he found PageTurner by Microsoft, which not only looks at how to establish a crawl frequency of specific Web pages, but also identifies "duplicate and near duplicate content on web pages." From one of the papers Bill referenced in the post, he notes the usage of the words "crafty porn." That leads him to a patent application we referenced last week named content evaluation by Microsoft. Anyway, Bill really digs deep into these algorithms and patent applications with links and abstracts pulled of content and video presentations. Read the full blog entry entitled Fighting web spam with algorithms.
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