TSRec: Enhancing Repeat-Aware Recommendation from a Temporal-Sequential Perspective

• URL: http://arxiv.org/abs/2506.08531v1
• Date: Tue, 10 Jun 2025 07:50:19 GMT
• Title: TSRec: Enhancing Repeat-Aware Recommendation from a Temporal-Sequential Perspective
• Authors: Shigang Quan, Shui Liu, Zhenzhe Zheng, Fan Wu,
• Abstract summary: A novel model called Temporal and Sequential repeat-aware Recommendation(TSRec) is proposed to enhance repeat-aware recommendation.<n>TSRec has three main components: 1) User-specific Temporal Representation Module (UTRM), which encodes and extracts user historical repeat temporal information.<n>2)Item-specific Temporal Representation Module (ITRM), which incorporates item time interval information as side information to alleviate the data sparsity problem of user repeat behavior sequence.
• Score: 10.395129459310274
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: Repeat consumption, such as repurchasing items and relistening songs, is a common scenario in daily life. To model repeat consumption, the repeat-aware recommendation has been proposed to predict which item will be re-interacted based on the user-item interactions. In this paper, we investigate various inherent characteristics to enhance the repeat-aware recommendation. Specifically, we explore these characteristics from two aspects: one is from the temporal aspect where we consider the time interval relationship in the user behavior sequence; the other is from the sequential aspect where we consider the sequential-level relationship in the user behavior sequence. And our intuition is that both the temporal pattern and sequential pattern will reflect users' intentions of repeat consumption. By utilizing these two patterns, a novel model called Temporal and Sequential repeat-aware Recommendation(TSRec for short) is proposed to enhance repeat-aware recommendation. TSRec has three main components: 1) User-specific Temporal Representation Module (UTRM), which encodes and extracts user historical repeat temporal information. 2)Item-specific Temporal Representation Module (ITRM), which incorporates item time interval information as side information to alleviate the data sparsity problem of user repeat behavior sequence. 3) Sequential Repeat-Aware Module (SRAM), which represents the similarity between the user's current and the last repeat sequences. Extensive experimental results on three public benchmarks demonstrate the superiority of TSRec over state-of-the-art methods. The implementation code is available https://anonymous.4open.science/r/TSRec-2306/.

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