<http://semanticscience.org/resource/SIO_000541>	<http://purl.org/dc/elements/1.1/identifier>	"SIO_000541" .
<http://semanticscience.org/resource/SIO_000541>	<http://www.w3.org/2000/01/rdf-schema#isDefinedBy>	<http://semanticscience.org/ontology/sio.owl> .
<http://semanticscience.org/resource/SIO_000541>	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/https/raw.githubusercontent.com/micheldumontier/semanticscience/master/ontology/sio/release/sio-release.owl> .
<http://semanticscience.org/resource/SIO_000541>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://semanticscience.org/resource/SIO_000540> .
<http://semanticscience.org/resource/SIO_000541>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://semanticscience.org/resource/SIO_000541>	<http://www.w3.org/2000/01/rdf-schema#label>	"vertex normal"@en .
<http://semanticscience.org/resource/SIO_000541>	<http://purl.org/dc/terms/description>	"A vertext normal is the normalized average of the surface normals of the faces that contain that vertex."@en .