About: http://webisa.webdatacommons.org/323208038

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	This could be accomplished by the presenter clicking on a flag or toggle such as a lock indicating that the material should be unlocked or otherwise made available to the attendees.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com