About: http://webisa.webdatacommons.org/415456372

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	So you need to use react, avoid IO or other blocking operations, and do not have it do long running computations, especially without occasionally freeing up its thread.
http://www.w3.org/ns/prov#wasQuotedFrom	gmane.org