About: http://webisa.webdatacommons.org/8543473

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	The API has been implemented in e.g. Java, C#, Perl, IDL and WSDL, but there was no open-source implementation of the API in PHP so far.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org