22Barcelona,Knowledge Cities on Smart Cities: 22Barcelona Case Josep M. Piqu,Agenda,Framework,1,Source: Loet Leydesdorff & Martin Meyer. 2003.,Knowledge-based Economy,Knowledge,Knowledge Infrastructure,Geography,Political Economy,Economy,Innovation,Source: Richard Florida, 2008,Talent: Who is your city?,22Barcelona: Where,2,Among the main European capitals,22Barcelona, included in the Ensanches plan (1859),22Barcelona: Knowledge City on Smart City,3,Knowledge City on Smart City,The 22 Plan, a Model of Knowledge City on Smart City,22 Barcelona: Smart City,4,Special Infrastructures Plan: The Backbone of the Smart City,22 Barcelona: Knowledge Economy,5,Technological centers,22Barcelona: Clusters & activities,Leadership of projects: current situation and forecast,Companies,Institutions,Universities,Incubators,Residences,Other services,Specific spaces,Dissemination spaces,Entrepreneurs,