About: http://webisa.webdatacommons.org/316931973

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 case, the covert marking can be made substantially undetectable to an observer, such as someone watching from behind the account user.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com