_:vb50780030	<http://www.w3.org/ns/r2rml#column>	"lat" .
_:vb50780029	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50780028 .
_:vb50780029	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50780030 .
_:vb50780028	<http://www.w3.org/ns/r2rml#constant>	<http://www.opengis.net/ont/geosparql#lat> .