By 'purpose' we mean the motivation for which the system is to be deployed.
It answers the question: ‘What is the primary purpose that the system fulfills?’
Data processing systems used to provide analysis, categorisation, or direct response that informs decision making in migration processes.
Technologies or data processing used to identify a person and/or register them in a registry.
Technologies or data processing used to predict migration movements at the macro-level, not an individual person.
Technologies or data processing used track, monitor or control the movement of individuals.