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Neural News Recommendation with Heterogeneous User Behavior

机译:具有不同用户行为的神经新闻推荐

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摘要

News recommendation is important for online news platforms to help users find interested news and alleviate information overload. Existing news recommendation methods usually rely on the news click history to model user interest. However, these methods may suffer from the data sparsity problem, since the news click behaviors of many users in online news platforms are usually very limited. Fortunately, some other kinds of user behaviors such as webpage browsing and search queries can also provide useful clues of users' news reading interest. In this paper, we propose a neural news recommendation approach which can exploit heterogeneous user behaviors. Our approach contains two major modules, i.e., news representation and user representation. In the news representation module, we learn representations of news from their titles via CNN networks, and apply attention networks to select important words. In the user representation module, we propose an attentive multi-view learning framework to learn unified representations of users from their heterogeneous behaviors such as search queries, clicked news and browsed webpages. In addition, we use word- and record-level attentions to select informative words and behavior records. Experiments on a real-world dataset validate the effectiveness of our approach.
机译:新闻推荐对于在线新闻平台来说非常重要,它可以帮助用户找到感兴趣的新闻并减轻信息过载。现有的新闻推荐方法通常依靠新闻点击历史来模拟用户兴趣。但是,这些方法可能会遇到数据稀疏性问题,因为在线新闻平台中许多用户的新闻点击行为通常非常有限。幸运的是,其他一些类型的用户行为(例如网页浏览和搜索查询)也可以提供有用的线索来说明用户对新闻阅读的兴趣。在本文中,我们提出了一种可以利用异构用户行为的神经新闻推荐方法。我们的方法包含两个主要模块,即新闻表示和用户表示。在新闻表示模块中,我们通过CNN网络从新闻标题中学习新闻的表示,并应用注意网络来选择重要的单词。在用户表示模块中,我们提出了一种细心的多视图学习框架,以从用户的各种行为(例如搜索查询,点击的新闻和浏览的网页)中学习用户的统一表示。此外,我们使用单词和记录级别的注意来选择内容丰富的单词和行为记录。在真实数据集上进行的实验验证了我们方法的有效性。

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