About: http://webisa.webdatacommons.org/455043857

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	test. I also have used these signals for various kinds of comparison tests.
http://www.w3.org/ns/prov#wasQuotedFrom	amsat.org