About: http://webisa.webdatacommons.org/337195650

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	Preference information may come from readers, suppliers, or other sources (e.g., suppression information from Direct Marketing Association or USPS objectionable-mail procedures).
http://www.w3.org/ns/prov#wasQuotedFrom	cmu.edu