About: http://webisa.webdatacommons.org/257231793

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	In C++, we can declare a kind of variable that can only be assigned to serveral values.
http://www.w3.org/ns/prov#wasQuotedFrom	jguru.com