About: http://webisa.webdatacommons.org/127752986

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	connect = unique.pairs" To link each source to everything except itself, and exclude equivalent paths, say:
http://www.w3.org/ns/prov#wasQuotedFrom	virginia.edu