About: http://webisa.webdatacommons.org/200760141

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 standard is silent on whether or not converting/casting between the two types is legal, and thus is implicitly undefined behavior.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com