About: http://webisa.webdatacommons.org/185340185

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	It is noted that if the node is a root node, and hence has no parent, the outer radius of the parent may be considered as zero or another constant.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com