About: http://webisa.webdatacommons.org/60423245

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	Which one is a better interface to save a raw pointer(provided by the user) to shared_ptr
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com