Pre-training ID embeddings with contrastive loss in a simple model avoids one-epoch overfitting and improves Pinterest's recommendation engagement by 2.2%.
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Taming the One-Epoch Phenomenon in Online Recommendation System by Two-stage Contrastive ID Pre-training
Pre-training ID embeddings with contrastive loss in a simple model avoids one-epoch overfitting and improves Pinterest's recommendation engagement by 2.2%.