Abstract
Many e-commerce platforms such as JD.com and Taobao have implemented personalized recommendation systems. Query recommendation or relevant search module is introduced to guide users to clarify their shopping intentions. In this paper, we present a novel Session based Query Recommendation with Graph neural networks on Heterogeneous information trees (SQRGH). We model user click behaviors (user-query-item) as a heterogeneous information tree to better present user behaviors (Fig. 2). We use graph neural networks to model interactions in user behavior, while, instead of using real queries or items as nodes, we use the click behaviors as virtual nodes to better learn about changes in the user intention, and use the identity matrix to upgrade adjacency matrices generated by traditional methods. On a real large-scale dataset in e-commerce using the JD computing platform, our proposed SQRGH method has superior performance and can recommend more reliable and reasonable results.
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Zheng, J., Yu, K., Ge, Z., Wu, X., Xu, S., Yan, W. (2021). Session Based Query Recommendation with Graph Neural Networks on Heterogeneous Information Trees. In: Meng, H., Lei, T., Li, M., Li, K., Xiong, N., Wang, L. (eds) Advances in Natural Computation, Fuzzy Systems and Knowledge Discovery. ICNC-FSKD 2020. Lecture Notes on Data Engineering and Communications Technologies, vol 88. Springer, Cham. https://doi.org/10.1007/978-3-030-70665-4_177
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DOI: https://doi.org/10.1007/978-3-030-70665-4_177
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