About: http://webisa.webdatacommons.org/140162520

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	In one conventional approach, all valid user certificates are stored on-line in some location, such as a DS, and are publicly available for retrieval.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr