About: http://webisa.webdatacommons.org/247054261

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 could even imagine that at some point activities are removed and everything is a fragment.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com