A Mobile Information System Based on Crowd-Sensed and Official Crime Data for Finding Safe Routes: A Case Study of Mexico City

Table 1

Crime-related events from Twitter accounts covering Mexico City.

Twitter account	Location	Creation date	Followers	Number of tweets	Belongs to government	Website
SSPDFVIAL	Mexico City	07.14.2010	369,115	154.65	Yes	http://ssp.df.gob.mx/
PolloVial	Mexico City	01.31.2013	667	71.91	No	No website
Trafico889	Mexico City	05.14.2009	137,099	90.54	No	http://siempre889.com/trafico/
Alertux	Mexico City	10.16.2012	179,574	35.59	No	http://www.alertux.com/
072AvialCDMX	Mexico City	10.20.2010	83,535	134.71	Yes	http://www.agu.df.gob.mx/
RedVial	Mexico City	03.09.2010	63,702	44.81	No	http://rvial.mx/