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  • Company Claims Patent On Spam Filtering, Sues World
    By on July 24, 2010 | Comments Off  Comments

    EvilAlphonso notes news of a “Texas” IP holding company suing 36 actual companies for violating its claimed patent on spam filtering. Techdirt deconstructs the patent itself, No. 6,018,761, which seems to amount to little more than a database lookup. It was filed in 1996 and issued in 2000 (despite the lawyers’ press release claiming that it “was awarded… nearly 15 years ago”). Among the companies being sued are 3Com, Apple, Google, AOL, Yahoo, (more…)

  • Collaborative Filtering and the Rise of Ensembles
    By on September 1, 2009 | Comments Off  Comments

    igrigorik writes “First the Netflix challenge was won with the help of ensemble techniques, and now the GitHub challenge is over, and more than half of the top entries are also based on ensembles. Good knowledge of statistics, psychology and algorithms is still crucial, but the ensemble technique alone has the potential to make the collaborative filtering space a lot more, well, collaborative! Here’s a look at the basic theory behind ensembles, how (more…)