I originally wrote the following article 6 years ago, and it was published on Search Engine Land on February 9th, 2007. At the time, I wasn’t sure if we would ever see Google find a way to meld together ranking signals from PageRank and Information Retrieval with relevance signals from authors and publishers and commentators and editors and advertisers.
There’s been a lot of discussion recently about something being referred to as Author Rank with the launch of Google Plus. The Agent Rank patent itself was granted by the USPTO on July 21, 2009. Two continuation versions of the patent were also filed by Google since then, with one stressing the portability of reputation scores for agents, and the other pointing out that not all endorsements from Agents are equal.
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