About: http://webisa.webdatacommons.org/25922808

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	DEFCON is an annual convention for hackers, feds, corporate-security
http://www.w3.org/ns/prov#wasQuotedFrom	artofhacking.com