About: http://webisa.webdatacommons.org/304276385

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 problem is a syntax error, you needed a > to close your PHP tag:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com