About: http://webisa.webdatacommons.org/374472174

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	If a signature does not appear on the course sign-in sheet, the participant may be required to provide proof of attendance in the form of course materials, instructor verification or other information deemed necessary.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com