SPARQL | HTML5 RDFa and Microdata document
http://vocabularies.wikipathways.org/gpml#groupRef
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/2002/07/owl#DatatypeProperty
http://www.w3.org/2000/01/rdf-schema#label
groupRef
http://www.w3.org/2000/01/rdf-schema#range
http://vocabularies.wikipathways.org/gpml#Interaction
http://vocabularies.wikipathways.org/gpml#GraphicalLine
http://vocabularies.wikipathways.org/gpml#Group
http://www.w3.org/2001/XMLSchema#string
http://vocabularies.wikipathways.org/gpml#Label
http://vocabularies.wikipathways.org/gpml#Shape
http://vocabularies.wikipathways.org/gpml#DataNode
http://www.w3.org/2000/01/rdf-schema#comment
A GroupRef indicates that its element is part of the gpml:Group with the specified GroupId. DataNode, GraphicalLine, Group, Interaction, Label and Shape can be part of a group.
http://www.w3.org/2004/02/skos/core#inScheme
http://vocabularies.wikipathways.org/gpml#