Google’s Second Most Important Algorithm? Before Google’s Panda, there was Phil

Ecompromo | March 3, 2018 | SEO Resources

A screenshot of an interface from the patent Categorizing objects, such as documents and/or clusters, with respect to a taxonomy and data structures derived from such categorization, that shows how someone might discover which categories a website might be included within.

They named the project Phil, because it sounded friendly. (For those who required an acronym, they had one handy: Probabilistic Hierarchical Inferential Learner.) That was bad news for a Google Engineer named Phil who kept getting emails about the system. He begged Harik to change the name, but Phil it was.

Steven Levy, In The Plex: How Google Thinks, Works, and Shapes Our Lives.

How does Google decide which Adsense advertisements to show on which Web pages? How do they avoid showing inappropriate advertisements on those content pages? How does the document classification system they use to power those decisions work, and has its use been expanded beyond Google’s advertising system?

Steven Levy’s In the Plex describes the early days of Google’s Adsense program, where web publishers could sign up to display contextually relevant blocks of advertisements on their pages, and would receive a percentage of the advertising fee if someone clicked through an ad being shown. The name of the program, Adsense, originated with a company called Applied Semantics which Google acquired around the time that they were putting the finishing touches on this content-based advertising system.

According to Levy, the timing of the Applied Semantics acquisition …read more

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