Big Social Data and Urban Computing First Workshop, BiDU 2018, Rio de Janeiro, Brazil, August 31, 2018, Revised Selected Papers - Oliveira, Jonice; Oliveira, Jonice; Farias, Claudio M.; Farias, Claudio M.; Pacitti, Esther; Pacitti, Esther; Fortino, Giancarlo; Fortino, Giancarlo (Springer International Publishing : Imprint: Springer, 2019)