About: http://webisa.webdatacommons.org/199387924

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	Note, https://bugs.php.net/bug.php?id=40459 shows that __construct() not being called in all cases was a bug, and it was fixed in August 2012.
http://www.w3.org/ns/prov#wasQuotedFrom	php.net