Topic Sensitive Pagerank (TSPR) bases results on the topical relationship of the query to the documents. This relationship is determined by user input, search history and the Open Directory Project. By matching the topic according to ODP listings, TSPR can return more refined results.
Topic Sensitive Pagerank also takes into account "corrupt" ODP editors who sell listing access. TSPR calculates relevancy based on topical communities rather than pure link power.
Try getting a link from the Open Directory Project. If you're having a hard time, there are editors who sell those listings for a few hundred bucks. Topic Sensitive Pagerank also shows that Google places a lot of emphasis on links from topically related websites. The algorithm itself is very old and has probably undergone changes, or even been replaced by better successors created in-house at Google. Keep in mind the importance of links from related websites.
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