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New Google Pagerank Patent

New Google Pagerank Patent

Today Google published a new version of its Pagerank patent, Method for node ranking in a linked database. The Pagerank patent is filed under its namesake, Lawrence Page, and assigned to The Board of Trustees of the Leland Stanford Junior University; US Patent 7,058,628.

The abstract is as follows:

A method assigns importance ranks to nodes in a linked database, such as any database of documents containing citations, the world wide web or any other hypermedia database. The rank assigned to a document is calculated from the ranks of documents citing it. In addition, the rank of a document is calculated from a constant representing the probability that a browser through the database will randomly jump to the document. The method is particularly useful in enhancing the performance of search engine results for hypermedia databases, such as the world wide web, whose documents have a large variation in quality.

Bill Slawski outlines the changes in the new Pagerank patent on his SEO by the SEA blog, and says that “There are some changes to the document. Many of them appear to be bringing parts of the first two patent applications involving pagerank together.”

1. The references section was updated in this patent to include documents that are listed in the filing granted on September 28, 2004.

2. The abstract section remains the same in the new document, but the claims section was reduced in length, and appears to now cover aspects of both previous patent filings.

3. There are some minor looking changes in the “Detailed Descriptions” section between the version granted in 2001, and the one granted today.

4. The main changes appears in the summary section of the document. In the two previous documents, there were many passages that were repeated, but there were also differences.

Unfortunately, no Pagerank Update accompanied the publishing of the new updated patent.

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SEJ STAFF Loren Baker Founder at Foundation Digital

Loren Baker is the Founder of SEJ, an Advisor at Alpha Brand Media and runs Foundation Digital, a digital marketing ...

New Google Pagerank Patent

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