60 ITU‐T's Technical Reports and Specifications No Keyword Total Occurrences % Occurrence 25 Urban 16 2.2% 26 Society 6 0.8% 27 Actively 4 0.6% 28 Innovation 15 2.1% 29 Aware 2 0.3% 30 Participatory 3 0.4% 31 Efficient 24 3.3% 32 Sustainable 28 3.9% 33 Adaptable 3 0.4% 34 Optimal 2 0.3% 35 Environment 22 3.0% 36 Resources 27 3.7% 37 Natural 11 1.5% 38 Governance and administration 35 4.8% 39 Management 20 2.8% 40 Capital 4 0.6% 41 Operational 1 0.1% 42 Public 6 0.8% 43 Solutions 4 0.6% 44 Vision 1 0.1% 45 Economy 34 4.7% 46 Investments 9 1.2% 47 Business 13 1.8% 48 Competitive 5 0.7% 49 Mobility 14 1.9% 50 Transport 18 2.5% Total 726 100% 5.2 Keyword grouping Some logical groupings were made as illustrated by Table 3 and the different keywords mapped into these groupings (appropriately colour coded) in order to better understand the relative importance of the different keywords and categories.