Towards high impact smart cities: a universal architecture based on connected intelligence spacesKomninos, Nicos; Kakderi, Christina; Mora, Luca; Panori, Anastasia; Sefertzi, ElenaJournal of the knowledge economy2021 / p. 1169-1197 : ill https://doi.org/10.1007/s13132-021-00767-0 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS