Web spamming refers to actions intended to mislead search engines into ranking certain pages higher than they deserve. Recently, the amount of web spam has increased dramatically, leading to a degradation of search results. One of the most effective spamming techniques is link spamming. This is done by setting up an interconnected structure of pages for deceiving link-based ranking methods, such as PageRank. In this paper, we analyze distributions of link spam in our archive of Japanese web pages using link analysis techniques.
['Hiroshi Ono', 'Masashi Toyoda', 'Masaru Kitsuregawa']
IdentifyingWeb Spam by Densely Connected Sites and its Statistics in a JapaneseWeb Snapshot