About: http://webisa.webdatacommons.org/178913597

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	The prerequisite for each level is the successful demonstration of skills from the preceding level, except for Level 1, which has no prerequisites.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com