Table 6 Technologies described by studies (n = 218)
Specific technologies described | Count (%) |
|---|---|
Social media | 74 (34%) |
AI / algorithms / machine learning | 66 (30%) |
Big data | 56 (26%) |
Mapping / GIS | 52 (24%) |
Crowdsourcing | 48 (22%) |
SMS or private messaging software | 47 (22%) |
Information systems | 45 (21%) |
Biometrics | 42 (19%) |
UAV | 32 (15%) |
Satellite imagery | 31 (14%) |
Cash distribution | 25 (11%) |
Medical data | 21 (10%) |
Blockchain / distributed ledger technology | 17 (8%) |
Data storage | 14 (6%) |
Call data records | 11 (5%) |
Computer-assisted personal interviewing | 7 (3%) |
Not specified | 74 (34%) |