João Gabriel Almeida, Jorge Silva, Everton Cavalcante, and Thais Batista. 2020. Heterogeneous Data Extraction, Integration, and Import in Smart Cities: A Systematic Mapping. In Proceedings of the 4th Urban Computing Workshop, December 10, 2020, Rio de Janeiro, Brasil. SBC, Porto Alegre, Brasil, 57-70. DOI: https://doi.org/10.5753/courb.2020.12353.