About: http://webisa.webdatacommons.org/30403107

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 find it hard to believe, especially if it needs to be removed manually as opposed to being part of a build process.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com