Heterogeneous Sequel-Aware Graph Neural Networks for Sequential Learning

• URL: http://arxiv.org/abs/2506.05625v1
• Date: Thu, 05 Jun 2025 22:58:24 GMT
• Title: Heterogeneous Sequel-Aware Graph Neural Networks for Sequential Learning
• Authors: Anushka Tiwari, Haimonti Dutta, Shahrzad Khanizadeh,
• Abstract summary: We show that sequel-aware Graph Neural Networks have better recommendation performance than graph-based recommendation systems that do not consider sequel information.<n>Our results indicate that the incorporation of sequence information from items greatly enhances recommendations.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Graph-based recommendation systems use higher-order user and item embeddings for next-item predictions. Dynamically adding collaborative signals from neighbors helps to use similar users' preferences during learning. While item-item correlations and their impact on recommendations have been studied, the efficacy of temporal item sequences for recommendations is much less explored. In this paper, we examine temporal item sequence (sequel-aware) embeddings along with higher-order user embeddings and show that sequel-aware Graph Neural Networks have better (or comparable) recommendation performance than graph-based recommendation systems that do not consider sequel information. Extensive empirical results comparing Heterogeneous Sequel-aware Graph Neural Networks (HSAL-GNNs) to other algorithms for sequential learning (such as transformers, graph neural networks, auto-encoders) are presented on three synthetic and three real-world datasets. Our results indicate that the incorporation of sequence information from items greatly enhances recommendations.

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