Google Blogoscoped

Tuesday, March 20, 2007

Google’s Blog Ranking Patent

A patent application from Google for “ranking blog documents,” filed in late 2005, is available now. (I don’t see Google Inc mentioned in the paper, but I know that several of the inventors – like Andriy Bihun, Jason Goldman and Vinod Marur – work at Google.) Google presents a couple of positive and negative quality indicators, and it’s possible these are live today at Google’s Blog Search to weed out spammers – in any case, this gives an interesting insight look into Google’s thinking.

Here are some positive factors for blogs:

And here are some negative factors:

Of course, every spammer can e.g. use tags as well, and some good blogs use a lot of ads, so we should probably think of these indicators as individual ingredients to an overall good blog mixture, without the existence or non-existence of any ingredient on its own making the blog good or bad. E.g. Google may assign a couple of points per attribute depending how much of it is visible, adjust this value by the attribute’s weight, and then compare it to some threshold to decide how to rank the blog (or whether to mark it as spam).

[Via Ionut Alex. Chitu, who saw it at Search Engine Roundtable.]


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