Data-driven smoothing approaches for interest modeling in recommendation systems

Published: 01 Jan 2024, Last Modified: 18 Nov 2024Expert Syst. Appl. 2024EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•We are the first to apply the smoothing mechanism to bridge interest gaps in the interest modeling task.•We propose two types of data-driven smoothing approaches based on the assumption of collaborative filtering.•A novel iterative Bayesian inference framework on a click-flow graph is designed to search relevant clicks.•New constrained attention networks are proposed to generate high-quality smoothing factors.•Both offline and online experiments show that our models significantly outperform the SOTA baselines.
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