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arXiv 2406.08201cs.SI
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HTIM:用于拓展社交媒体中政治倾向推断的混合文本—交互建模

HTIM: Hybrid Text-Interaction Modeling for Broadening Political Leaning Inference in Social Media

Joseba Fernandez de Landa, Arkaitz Zubiaga, Rodrigo Agerri

AI总结:

针对政治倾向推断长期局限于二分类或仅依赖交互数据的问题,提出融合文本与社交交互的 HTIM 框架,在多政党、多地区场景中显著提升用户政治倾向识别性能。

摘要:

政治倾向可以被定义为个体对与其个人信念相一致的某些政治取向的偏好。政治倾向推断传统上被构建为一个二分类问题,即区分左翼与右翼,或保守派与自由派。此外,尽管近期一些工作在多政党、多地区框架下考虑政治倾向推断,但其研究仅限于社会交互数据的应用。为解决这些不足,本研究提出混合文本—交互建模(Hybrid Text-Interaction Modeling,HTIM),该框架能够融合来自社交媒体的文本与交互进行混合建模,以在多政党、多地区框架中准确识别用户的政治倾向。获取文本数据和基于交互的数据,不仅使我们能够比较这些数据源,还避免了对特定数据类型的依赖。我们表明,尽管最先进的基于文本的表示本身无法超越基于交互的表示,但使用 HTIM 将基于文本和基于交互的建模相结合,可显著提升三个地区的性能;当我们聚焦于涉及政治参与度较低用户的最具挑战性案例时,这一提升更为突出。

英文摘要:

Political leaning can be defined as the inclination of an individual towards certain political orientations that align with their personal beliefs. Political leaning inference has traditionally been framed as a binary classification problem, namely, to distinguish between left vs. right or conservative vs liberal. Furthermore, although some recent work considers political leaning inference in a multi-party multi-region framework, their study is limited to the application of social interaction data. In order to address these shortcomings, in this study we propose Hybrid Text-Interaction Modeling (HTIM), a framework that enables hybrid modeling fusioning text and interactions from Social Media to accurately identify the political leaning of users in a multi-party multi-region framework. Access to textual and interaction-based data not only allows us to compare these data sources but also avoids reliance on specific data types. We show that, while state-of-the-art text-based representations on their own are not able to improve over interaction-based representations, a combination of text-based and interaction-based modeling using HTIM considerably improves the performance across the three regions, an improvement that is more prominent when we focus on the most challenging cases involving users who are less engaged in politics.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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