About: http://webisa.webdatacommons.org/432187735

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	Spam-blocking firewalls, for example, use DPI to identify inbound e-mail message streams and check their headers and content for known spammers, viruses, phishing attacks, and other potentially harmful content.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com