About: http://webisa.webdatacommons.org/189672789

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	I want this method to return null if there is an error, so I put the loop inside a try...catch block, like this:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com