融合卷积与Transformer,更精准捕捉用户-物品交互模式。
Convolutional Transformer Neural Collaborative Filtering
- 用卷积网络提取局部特征,用Transformer捕捉长程依赖。
- 在两个真实数据集上优于现有最优方法,推荐准确率显著提升。
- 适合需要高阶结构建模的推荐系统研究者使用。
本文提出卷积变换器神经协同过滤(CTNCF),通过融合卷积神经网络(CNN)与Transformer层,有效捕捉用户-物品交互中的高阶结构信息。该模型利用CNN从用户和物品嵌入中提取局部特征,捕获数据中的复杂空间依赖关系;同时借助Transformer层建模用户与物品特征间的长距离依赖与交互。在两个真实世界数据集上的实验表明,CTNCF显著优于当前先进方法,充分验证了其在提升推荐系统性能方面的有效性。
原文摘要 · Abstract (English)
In this study, we introduce Convolutional Transformer Neural Collaborative Filtering (CTNCF), a novel approach aimed at enhancing recommendation systems by effectively capturing high-order structural information in user-item interactions. CTNCF represents a significant advancement over the traditional Neural Collaborative Filtering (NCF) model by seamlessly integrating Convolutional Neural Networks (CNNs) and Transformer layers. This sophisticated integration enables the model to adeptly capture and understand complex interaction patterns inherent in recommendation systems. Specifically, CNNs are employed to extract local features from user and item embeddings, allowing the model to capture intricate spatial dependencies within the data. Furthermore, the utilization of Transformer layers enables the model to capture long-range dependencies and interactions among user and item features, thereby enhancing its ability to understand the underlying relationships in the data. To validate the effectiveness of our proposed CTNCF framework, we conduct extensive experiments on two real-world datasets. The results demonstrate that CTNCF significantly outperforms state-of-the-art approaches, highlighting its efficacy in improving recommendation system performance.
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