About: http://webisa.webdatacommons.org/376549196

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	he proceeds to talk for about half an hour about the slides, not really using them to enhance his speech, but just sort of commenting. an example:
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com