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arXiv 1802.01400cs.SI
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两极分化和假新闻:对潜在错误信息目标的早期预警

Polarization and Fake News: Early Warning of Potential Misinformation Targets

Michela Del Vicario, Walter Quattrociocchi, Antonio Scala, Fabiana Zollo

摘要:

用户极化和确认偏差在网络社交媒体上的错误信息传播中起着关键作用。我们的目标是利用这些信息提前确定恶作剧和假新闻的潜在目标。在本文中,我们介绍了一个通用框架,用于及时识别社交媒体上的两极分化内容,从而“预测”未来的假新闻话题。我们验证了所提出的方法在意大利Facebook数据集上的性能,表明我们能够以77%的准确率识别易受错误信息影响的主题。此外,这些信息可以作为新特征嵌入到能够以91%的准确率识别假新闻的附加分类器中。我们的方法的新颖之处在于考虑了一系列与在线社交媒体上用户行为相关的特征,为平滑两极分化和缓解错误信息现象迈出了重要的第一步。

英文摘要:

Users polarization and confirmation bias play a key role in misinformation spreading on online social media. Our aim is to use this information to determine in advance potential targets for hoaxes and fake news. In this paper, we introduce a general framework for promptly identifying polarizing content on social media and, thus, "predicting" future fake news topics. We validate the performances of the proposed methodology on a massive Italian Facebook dataset, showing that we are able to identify topics that are susceptible to misinformation with 77% accuracy. Moreover, such information may be embedded as a new feature in an additional classifier able to recognize fake news with 91% accuracy. The novelty of our approach consists in taking into account a series of characteristics related to users behavior on online social media, making a first, important step towards the smoothing of polarization and the mitigation of misinformation phenomena.

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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