About: http://webisa.webdatacommons.org/298407356

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	Yes, a valid answer would be to return consistent types and to use Exceptions instead of False for a failure mode indicator.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com