<http://webisa.webdatacommons.org/concept/_surface_19>	<http://webisa.webdatacommons.org/ontology#hasHead>	"surface" .
<http://webisa.webdatacommons.org/concept/_surface_19>	<http://webisa.webdatacommons.org/ontology#hasPostModifier>	"19" .
<http://webisa.webdatacommons.org/concept/_surface_19>	<http://www.w3.org/2000/01/rdf-schema#label>	"surface 19" .