About: http://webisa.webdatacommons.org/111641140

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	I should have removed them one at a time to see if there was a particular one causing the problem.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com