About: http://webisa.webdatacommons.org/368529440

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	then for any RDF statement with the predictate hadTempralValue, it can be inferred that the subject is a Activity
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org