About: http://webisa.webdatacommons.org/452857316

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 most unusual thing about an AST (from a programmer's perspective) is that it makes a distinction between symbols and values. if is a symbol, while if would be a value.
http://www.w3.org/ns/prov#wasQuotedFrom	oranlooney.com