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arXiv 2007.08107cs.SIcs.LG
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基于社区语言特征和个人价值观相关性的社交媒体用户个人价值观预测

On Predicting Personal Values of Social Media Users using Community-Specific Language Features and Personal Value Correlation

The University of Melbourne(墨尔本大学);Singapore Management University(新加坡管理大学)

Amila Silva, Pei-Chi Lo, Ee-Peng Lim

摘要:

个人价值观对个人的行为、偏好和决策有着重要的影响。因此,一个人的个人价值观可能会影响他或她的社交媒体内容和活动,这并不奇怪。研究人员没有让用户完成个人价值问卷,而是研究了一种非侵入性和高度可扩展的方法,使用用户生成的社交媒体数据来预测个人价值。然而,在设计这种预测模型时,词语使用和概况信息的地理差异是需要解决的问题。在这项工作中,我们专注于分析新加坡用户的个人价值观,并开发有效的模型来预测他们的个人价值观使用他们的Facebook数据。这些模型利用语言调查和单词计数(LIWC)中的单词类别以及个人价值观之间的相关性。LIWC的词汇分类适用于新加坡的非英语词汇。我们将个人价值观之间的相关性纳入我们提出的堆栈模型,包括一个特定于任务的基本模型层和一个十字绣层模型。通过实验,我们表明,我们提出的模型预测的个人价值观与以前的作品有相当大的提高准确性。此外,我们使用堆栈模型来预测一个大型社区的Twitter用户使用他们的公共推文内容的个人价值观,并根据经验得出一些有趣的发现,他们的在线行为与社会科学和社交媒体文献中的早期发现一致。

英文摘要:

Personal values have significant influence on individuals' behaviors, preferences, and decision making. It is therefore not a surprise that personal values of a person could influence his or her social media content and activities. Instead of getting users to complete personal value questionnaire, researchers have looked into a non-intrusive and highly scalable approach to predict personal values using user-generated social media data. Nevertheless, geographical differences in word usage and profile information are issues to be addressed when designing such prediction models. In this work, we focus on analyzing Singapore users' personal values, and developing effective models to predict their personal values using their Facebook data. These models leverage on word categories in Linguistic Inquiry and Word Count (LIWC) and correlations among personal values. The LIWC word categories are adapted to non-English word use in Singapore. We incorporate the correlations among personal values into our proposed Stack Model consisting of a task-specific layer of base models and a cross-stitch layer model. Through experiments, we show that our proposed model predicts personal values with considerable improvement of accuracy over the previous works. Moreover, we use the stack model to predict the personal values of a large community of Twitter users using their public tweet content and empirically derive several interesting findings about their online behavior consistent with earlier findings in the social science and social media literature.

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