People, Technologies and Places are in every moments more closely linked ([1]). Today the vast majority of people is living in a cities ([2]) and the world is characterized by presence of millions mobile connected devicesI. There are many challenges to be resolved related to increasing urbanization and theses can not ignore the new technologies. In particular all human’s life aspects are progressively digitized into Social Media Data: created and used in Urban context that we can extract to understand how people use and perceive the city through their Social Media content ([3]). This research proposal provide a general overview of the social and economic dimensions of the urban economy through the Urban Informatics, Social Media Analysis and Machine Learning techniques.