Eugene Yan • 4/17/2022

How to Measure and Mitigate Position Bias

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This technical article discusses position bias, where higher-ranked items get more clicks regardless of relevance, harming recommendation system fairness. It covers causes, the negative feedback loop it creates, and details methods to measure bias, including randomized shuffling and exploiting inherent system randomness, using examples from Google Search and Netflix.

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#user engagement #Data Bias #Recommender Systems
How to Measure and Mitigate Position Bias

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