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A Very Brief Look at the Bing Ranking Algorithm

A Very Brief Look at the Bing Ranking Algorithm. Chris Burges Ofer Dekel Qiang Wu Krysta Svore. Presented by Chris Burges at the MSR Faculty Summit, July 18, 2011 (narration b egins on next slide). How LambdaRank is Trained. Query: “ 107.7 the end”.

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A Very Brief Look at the Bing Ranking Algorithm

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  1. A Very Brief Look at the Bing Ranking Algorithm Chris Burges Ofer Dekel Qiang Wu Krysta Svore Presented by Chris Burges at the MSR Faculty Summit, July 18, 2011 (narration begins on next slide)

  2. How LambdaRank is Trained • Query: “107.7 the end”

  3. Building an ensemble of regression trees + s +

  4. How is a split computed? R L

  5. FastRank: Algorithms ↔ Engineering Minimizing the loss is equivalent to maximizing + We only need one linear scan of the data (in a given node) to compute this. Counts Forces Thresholds Thresholds

  6. Thanks!

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