MoCo4SRec: A momentum contrastive learning framework for sequential recommendation

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Zihan Wei, Ning Wu, Fengxia Li, Ke Wang, Wei Zhang

Published: 01 Jan 2023, Last Modified: 18 Jun 2024Expert Syst. Appl. 2023EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•A new framework(MoCo4SRec) that brings together momentum and contrastive SSL with SR.•Samples are perturbed not just at the sequence level but also at the embedding level.•An instance weighting method is introduced to penalize the sampled false negatives.