About: http://webisa.webdatacommons.org/232513323

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	speaker at events including the RSA Security Conference and DEF CON, and has spoken on every continent except Antarctica (where he is happy to speak for free -- assuming travel is covered).
http://www.w3.org/ns/prov#wasQuotedFrom	blackhat.com