About: http://webisa.webdatacommons.org/170567931

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 difference between a string and a symbol is that a symbol is a unique object for the entire Ruby interpreter whereas strings are always unique objects.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com