Unbiased LambdaMART: An Unbiased Pairwise Learning-to-Rank Algorithm

16 Sep 2018 Ziniu Hu Yang Wang Qu Peng Hang Li

Although click data is widely used in search systems in practice, so far the inherent bias, most notably position bias, has prevented it from being used in training of a ranker for search, i.e., learning-to-rank. Recently, a number of authors have proposed new techniques referred to as 'unbiased learning-to-rank', which can reduce position bias and train a relatively high-performance ranker using click data... (read more)

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