收紧微博推荐的数据分析和特征提取

Bo Li, Xiang Wu, B. Xiang, Hui Zhang
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引用次数: 0

摘要

微博服务的信息爆炸给用户带来不好的体验。因此,近年来学者们提出了在消息过滤、推荐和搜索等应用中利用用户偏好的方法。一般来说,特征提取是将这些方法应用于应用程序的关键过程。然而,目前的研究主要集中在寻找不同特征的更好的模型上,而忽略了为什么要使用这些特征。为了回答这个问题,我们做了一个直观的假设,直接应用数据分析的结果,特别是在我们的提案中使用数据分析的结果作为特征,可能会比一般的原始特征带来更好的性能。在本文中,我们提出将这些新特性以朴素方法和学习排序方法应用于微博服务中的消息推荐。两种方法在一个大型真实数据集上的实验,比较了提出的新特征和原始特征的性能,支持了我们的假设。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Tightening data analysis and feature extraction for micro-blog recommendation
Information explosion in micro-blog services brings bad experience to users. Therefore, approaches that leverage users' preferences in applications of messages filtering, recommendation and searching were proposed by scholars in recent years. In general, features extraction is critical process in applying these approaches to applications. However, current researches have been focused on finding better models on varied features, but ignored why these features were used. To answer this question, we make an intuitive assumption that directly applying the result of data analysis, especially using the result of data analysis as features in our proposal, might lead to better performance than general raw features. In this paper, we propose to use these new features in a naive approach and a learning to rank approach for application of messages recommendation in micro-blog service. The experiments by the two approaches over a large real-world data set, which compare performance of proposed new features and raw features, support our assumption.
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