Collective Intelligence for Smart Cities WU, CHUN HO (DEPARTMENT OF SUPPLY CHAIN AND INFORMATION MANAGEMENT, THE HANG SENG UNIVERSITY OF HONG KONG, SHATIN, N.T. HONG KONG),HO, GEORGE TO SUM,XHAFA, FATOS (FULL PROFESSOR OF COMPUTER SCIENCE, UNIVERSITAT POLITECNICA DE CATALUNYA (UPC), BARCELONA, SPAIN),IP, ANDREW W. H. (PROFESSOR EMERITUS OF MECHANICAL ENGINEERING, UNIVERSITY OF SASKATCHEWAN AND PRINCIPAL RESEARCH FELLOW, DEPARTMENT OF INDUSTRIAL AND SYSTEMS ENGINEERING, THE HONG KONG POLYTECHNIC UNIVERSITY, HONG KONG),HILLE, REINOUT VAN (SINT-LENAARTS, ANTWERP, BELGIUM)