?lab	?labLabel	?coord
<https://example.org/lab/north>	"North"	"Point(13.405 52.52)"^^<http://www.opengis.net/ont/geosparql#wktLiteral>
<https://example.org/lab/south>	"South"	"Point(7.099 50.737)"^^<http://www.opengis.net/ont/geosparql#wktLiteral>