In an 8-week A/B test on OTTO's live e-commerce search, a two-tower DNN with softmax cross-entropy loss achieved statistically significant gains of +1.86% clicks and +0.56% revenue over a production LambdaMART baseline, with units sold unchanged.
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Industry Insights from Comparing Deep Learning and GBDT Models for E-Commerce Learning-to-Rank
In an 8-week A/B test on OTTO's live e-commerce search, a two-tower DNN with softmax cross-entropy loss achieved statistically significant gains of +1.86% clicks and +0.56% revenue over a production LambdaMART baseline, with units sold unchanged.