@article{article0dfac36a,
title   = {Software platforms for smart cities: concepts, requirements, challenges, and a unified reference architecture},
author = {Santana, Eduardo Felipe Zambom and Chaves, Ana Paula and Gerosa, Marco Aurélio and Kon, Fábio and Milojicic, Dejan S},
year = {2017},
doi = {10.1145/3124391},
journal   = {ACM Computing Surveys}
}