About: http://webisa.webdatacommons.org/101533718

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	Constants are very similar to things such as keywords (no set, always return itself as its value),
http://www.w3.org/ns/prov#wasQuotedFrom	stanford.edu