About: http://webisa.webdatacommons.org/151997063

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	certification systems are reviewed in detail, other types of systems are reviewed only briefly.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com