About: http://webisa.webdatacommons.org/424093208

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	We use them all the time.More problematic are external e-mails with clients, suppliers, and other external stakeholders.
http://www.w3.org/ns/prov#wasQuotedFrom	wsj.com