About: http://webisa.webdatacommons.org/406421177

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 2007 Microsoft Office system programs detect these criteria for you and alert you if there is a problem with the digital signature.
http://www.w3.org/ns/prov#wasQuotedFrom	office.com