About: http://webisa.webdatacommons.org/422600181

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	That way you can leave all fields empty except the ones that are different for the child event.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com