About: http://webisa.webdatacommons.org/91483706

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	If the node is an element, the offset is the number of child nodes prior to the boundary.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com