About: http://webisa.webdatacommons.org/135013369

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	The matcher accepts either a string, which would be the event such as user:signup, or account:save, or a more descriptive object (see below.)
http://www.w3.org/ns/prov#wasQuotedFrom	npmjs.com