About: http://webisa.webdatacommons.org/437355550

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	It gives you the option to specify whether you require both or either of the checks to fail, before the message is marked as spam.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com