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THUIR at WSDM Cup 2023 Task 1: Unbiased Learning to Rank

2023-04-25Code Available1· sign in to hype

Jia Chen, Haitao Li, Weihang Su, Qingyao Ai, Yiqun Liu

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Abstract

This paper introduces the approaches we have used to participate in the WSDM Cup 2023 Task 1: Unbiased Learning to Rank. In brief, we have attempted a combination of both traditional IR models and transformer-based cross-encoder architectures. To further enhance the ranking performance, we also considered a series of features for learning to rank. As a result, we won 2nd place on the final leaderboard.

Tasks

Learning-To-Rank

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