About: http://webisa.webdatacommons.org/418105128

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	Using another name instead of 'action' such as 'act' or 'task' solves the problem.
http://www.w3.org/ns/prov#wasQuotedFrom	php.net