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Personalized Item Ranking from Implicit User Feedback: A Heterogeneous Information Network Approach

机译:隐式用户反馈的个性化商品排名:一种异构信息网络方法

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In today’s era of the digital world with information overload, generating personalized recommendations for the e-commerce users is a challenging and interesting problem. Recommendation of top-N items of interest to a user of e-commerce is highly challenging using binary implicit feedback. The training data is usually very sparse and have binary values capturing a user’s action or inaction. Due to the sparseness of data and lack of explicit user preferences, the recommendations generated by model-based and neighborhood-based approaches are not effective. Of late, network-based item recommendation methods, which utilize item related meta-information, are beginning to attract increasing attention for binary implicit feedback data. In this work, we propose a heterogeneous information network based recommendation model for personalized top-N recommendations using binary implicit feedback data. To utilize the potential of meta-information related to items, we utilize the concept of meta-path. To improve the effectiveness of the recommendations, the popularity of items and interest of users are leveraged simultaneously. Personalized weight learning of various meta-paths in the network is performed to determine the intrinsic interests of users from the binary implicit feedback data. To show the effectiveness, the proposed model is experimentally evaluated using the real-world dataset.
机译:在当今信息不堪重负的数字世界时代,为电子商务用户生成个性化推荐是一个充满挑战和有趣的问题。使用二进制隐式反馈对电子商务用户感兴趣的前N个项目的建议非常具有挑战性。训练数据通常非常稀疏,并且具有捕获用户的作为或不作为的二进制值。由于数据稀疏且缺乏明确的用户偏好,因此基于模型和基于邻域的方法所生成的建议无效。最近,利用与项目相关的元信息的基于网络的项目推荐方法开始引起人们对二进制隐式反馈数据的越来越多的关注。在这项工作中,我们提出了一种基于异构信息网络的推荐模型,用于使用二进制隐式反馈数据进行个性化的前N个推荐。为了利用与项目相关的元信息的潜力,我们利用元路径的概念。为了提高建议的有效性,同时利用项目的受欢迎程度和用户的兴趣。执行网络中各种元路径的个性化权重学习,以从二进制隐式反馈数据中确定用户的内在兴趣。为了显示有效性,使用实际数据集对提出的模型进行了实验评估。

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