Table 1.

Annotated datasets of human and bot accounts used to train Botometer

Dataset	Bots	Humans	Annotation method	References
varol-icwsm	733	1495	Human annotation	[40]
cresci-17	7049	2764	Various methods	[45]
pronbots	17882	0	Spam bots	[34]
celebrity	0	5918	Celebrity accounts	[34]
vendor-purchased	1087	0	Fake followers	[34]
botometer-feedback	139	380	Human annotation	[34]
political-bots	62	0	Human annotation	[34]
gilani-17	1090	1413	Human annotation	[46]
cresci-rtbust	353	340	Human annotation	[47]
cresci-stock	7102	6174	Signs of coordination	[48]
botwiki	698	0	Self-declared	[42]
midterm-2018	0	7459	Human annotation	[42]
astroturf	505	0	Human annotation	[41]
kaiser	875	499	Politicians + bots	[49]