EPJ Data Science 11, 3 (2022) https://doi.org/10.1140/epjds/s13688-021-00314-6

After publication of this article [1], the authors reported that the number of filtered trees should be changed from 181,370 to 131,366, the number of total tweets from 1,222,240 to 1,213,700 and the number of root accounts from 23 to 22.

Further, the supplementary file was revised. The original article [1] has been corrected.