About: http://webisa.webdatacommons.org/269459696

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	Description Grey listing, in general, is a technique used to reduce the amount of spam reaching a user's mailboxes.
http://www.w3.org/ns/prov#wasQuotedFrom	cmu.edu