id	keyword
spir-11137	data
spir-11137	border
spir-11137	digital
spir-11137	migrants
spir-11137	biometrics
spir-11137	migration
spir-11137	refugees
spir-11137	asylum
spir-11137	european
spir-11137	traces
spir-11137	security
spir-11137	technologies
spir-11137	university
spir-11137	paper