About: http://webisa.webdatacommons.org/282522630

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	Use a lambda as your default parameter, and call it within a try block to get the default value (this is the sort of thing that lambda abstraction is for).
http://www.w3.org/ns/prov#wasQuotedFrom	stackprinter.com