About: http://webisa.webdatacommons.org/243403132

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	Speakers are mainly vendor-related, so I understand that vendors effectively pay for the conference.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com