Does Google Trust You? Trust Rank Exlained

It is over two years since a paper was released the basis of TrustRank,, yet even today, over two years later, hardly anyone outside of the core internet marketing world have clue what it is. The original concept was simple and in fact only a few lines.
Combating Web Spam with TrustRank. Technical Report, Stanford University, 2004
Web spam pages use various techniques to achieve higher-than-deserved rankings in a search engine's results. While human experts can identify spam, it is too expensive to manually evaluate a large number of pages. Instead, we propose techniques to semi-automatically separate reputable, good pages from spam. We first select a small set of seed pages to be evaluated by an expert. Once we manually identify the reputable seed pages, we View the rest of this article