“…(11), non-emergency reporting system (5) [6], [7], [8], [9], [10], [21], [28], [30], [31], [32], [34], [35], [36], [43], [45], [49] 3. Problem solved city issues(2), urban incident(2), public infrastructure defect(1), maintenance(2), urban issues(1), civic issues(2), utilities(1), urban fault(1), pothole(1), daily life issues(1), local public service (1) [2], [3], [4], [5], [11], [16], [19], [24], [27], [29], [37], [46], [47], [50], [51], [54], [55] 4. Activity related to citizens citizen sourcing(8), urban sensing(5), citizen reporting(16), requests and complaints(2), citizen participation(7), citizen engagement(2), crowdsourcing(5), tracking(1), social reporting(1), we-government(1), feedback (2) [1], [3], [4], [11], [13], [14], [19], [22], [26], [27], [30],…”