About: http://webisa.webdatacommons.org/121957188

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	An opcode cache like APC might make include faster, but otherwise serialize is the best choice.
http://www.w3.org/ns/prov#wasQuotedFrom	php.net