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Fig 1.

The framework of Weibo public sentiment analysis.

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Fig 2.

Time series analysis of Weibo discussion heat.

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Fig 3.

Time series analysis of personal Weibo.

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Table 1.

Granger test result of different Weibo indicators and COVID-19 epidemic indicators.

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Table 2.

Statistics of Weibo on different topics.

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Table 3.

The topics, key words and examples of negative sentiment.

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Table 3 Expand

Fig 4.

Topic analysis of public sentiments during COVID-19 epidemic.

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