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Statistical information of microblogs about the four emergency events.
| Events | #Total Words | Average words per microblog | Range of words per microblog | Most frequent words |
|---|---|---|---|---|
| Event 1 | 6,595,602 | 35.98 | [1,3318] | Zhai (82,281) |
| Event 2 | 3,190,617 | 45.33 | [1,3099] | Family members (37,749) |
