About: http://webisa.webdatacommons.org/373031409

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	@Spudley since the feature hasn't been announced, I think we will have to let a SE employee answer why they just appear, but best guess is there is a script that adds them to the queue, and it only runs every few minutes.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com