Ontology for Geography Markup Language (GML3.0)	CODO: an Ontology for collection and analysis of COviD-19 data	Source
http://loki.cae.drexel.edu/~wbs/ontology/2004/09/ogc-gml#Sign	https://w3id.org/codo#Sign	LOOM
http://loki.cae.drexel.edu/~ontology/2004/09/ogc-gml#Sign	https://w3id.org/codo#Sign	LOOM