Search Results for author: Wang Xuanhui

Found 2 papers, 0 papers with code

Estimating Position Bias without Intrusive Interventions

no code implementations12 Dec 2018 Agarwal Aman, Zaitsev Ivan, Wang Xuanhui, Li Cheng, Najork Marc, Joachims Thorsten

Presentation bias is one of the key challenges when learning from implicit feedback in search engines, as it confounds the relevance signal.

counterfactual Learning-To-Rank +1

Offline Comparison of Ranking Functions using Randomized Data

no code implementations11 Oct 2018 Agarwal Aman, Wang Xuanhui, Li Cheng, Bendersky Michael, Najork Marc

In this paper, we study how to improve the data efficiency of IPS approaches in the offline comparison setting.

Off-policy evaluation

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