Towards High-Order Complementary Recommendation via Logical Reasoning Network

• URL: http://arxiv.org/abs/2212.04966v1
• Date: Fri, 9 Dec 2022 16:27:03 GMT
• Title: Towards High-Order Complementary Recommendation via Logical Reasoning Network
• Authors: Longfeng Wu, Yao Zhou, Dawei Zhou
• Abstract summary: We propose a logical reasoning network, LOGIREC, to learn embeddings of products. LOGIREC is capable of capturing the asymmetric complementary relationship between products. We also propose a hybrid network that is jointly optimized for learning a more generic product representation.
• Score: 19.232457960085625
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Complementary recommendation gains increasing attention in e-commerce since it expedites the process of finding frequently-bought-with products for users in their shopping journey. Therefore, learning the product representation that can reflect this complementary relationship plays a central role in modern recommender systems. In this work, we propose a logical reasoning network, LOGIREC, to effectively learn embeddings of products as well as various transformations (projection, intersection, negation) between them. LOGIREC is capable of capturing the asymmetric complementary relationship between products and seamlessly extending to high-order recommendations where more comprehensive and meaningful complementary relationship is learned for a query set of products. Finally, we further propose a hybrid network that is jointly optimized for learning a more generic product representation. We demonstrate the effectiveness of our LOGIREC on multiple public real-world datasets in terms of various ranking-based metrics under both low-order and high-order recommendation scenarios.

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