About: http://webisa.webdatacommons.org/68559251

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	Expressions are difficult to compile because they can be arbitrarily complex and so you cannot solve the problem just using a look up table of types of expression.
http://www.w3.org/ns/prov#wasQuotedFrom	i-programmer.info