98 ITU‐T's Technical Reports and Specifications Ref. No. Category Definitions/Features Key concept/ Keywords Source 83 User centric A smart sustainable city is one that \"uses information and communications technologies to make the critical infrastructure components and services of a city – administration, education, healthcare, public safety, real estate, transportation and utilities – more aware, interactive and efficient.\" ICT, administration, education, health care, public safety, real estate, transportation, utilities, integrated, efficient, interactive. Belissent (2010) 84 User centric An urbanized area where multiple public and private sectors cooperate to achieve sustainable outcomes through the analysis of contextual information exchanged between them. The sectors could include hospitals or emergency services or finance and so on. The interaction between sector‐specific and intra‐sector information flows results in more resource‐efficient cities that enable more sustainable citizen services and more knowledge transfer between sectors. Information exchange, integrated, resource efficiency, services, sustainability. Maio (2012) 85 User centric Cities need to differentiate themselves to attract investment and productive residents, and this is coupled with constrained financial resources, fast‐growing populations, and aging infrastructures, is driving investment in smart sustainable city solutions. Smart sustainable city solutions leverage ICT not only to deliver higher‐quality citizen services more efficiently but also to effect behavioural change in government workers, city businesses, and citizens so that cities can develop more sustainably. ICT, services, efficient, development and behavioural change in government workers, city businesses, and citizens. IDC (2014)