2023
DOI: 10.1007/978-3-031-20738-9_109
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Public Opinion Analysis for the Covid-19 Pandemic Based on Sina Weibo Data

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Cited by 3 publications
(2 citation statements)
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“…At first, scholars generated event vectors by manually defining or extracting qualitative and quantitative event features from social media. Research [2] uses 33 artificial features to assign values to public opinion events; study [3] made a secondary improvement on the basis of [2], reducing 33 features to 30 features; author in [4] combines Twitter and Weibo, and proposes some characteristics to analyze public opinion based on their commonalities; researcher in [5] combines time features and proposes new event features for rumor analysis. The manually defined event features are very dependent on expert knowledge which usually can only be obtained by observing the influencing factors of one period or even the whole period of the event.…”
Section: A Manually Designing Featuresmentioning
confidence: 99%
See 1 more Smart Citation
“…At first, scholars generated event vectors by manually defining or extracting qualitative and quantitative event features from social media. Research [2] uses 33 artificial features to assign values to public opinion events; study [3] made a secondary improvement on the basis of [2], reducing 33 features to 30 features; author in [4] combines Twitter and Weibo, and proposes some characteristics to analyze public opinion based on their commonalities; researcher in [5] combines time features and proposes new event features for rumor analysis. The manually defined event features are very dependent on expert knowledge which usually can only be obtained by observing the influencing factors of one period or even the whole period of the event.…”
Section: A Manually Designing Featuresmentioning
confidence: 99%
“…The Generated Event Vectors 1) Experiment setup: We compare our experimental results with the results of three common models: RoBERTa [24], XLnet [25], Manual designing features [3]. We generate the vectors respectively by the above four models, the first three of which are trained with the blog texts of events, and our proposed NL2ER-Transformer Encoder.…”
Section: Evaluation Of Downstream Reversal Prediction Ability Formentioning
confidence: 99%