About: http://webisa.webdatacommons.org/148390295

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	Generally checking if something is null when there is a fair chance it will be is not an exceptional circumstance and should not be done with exceptions.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com