About: http://webisa.webdatacommons.org/98345527

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	There is multiple hierarchies of groups that are not attached to each other, except through the Observers, but I do not think they are a part of the graph objects, they just have a link to vertices in them.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com