About: http://webisa.webdatacommons.org/201560288

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	Assert that a var is a non-empty string of no particular characters in phpunit
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com