About: http://webisa.webdatacommons.org/429737903

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	A good overview of how to use this is found on Walkthrough: Using a Custom Security Trimmer for SharePoint Server Search Results, but read further below as there is a problem with this in SharePoint 2010.
http://www.w3.org/ns/prov#wasQuotedFrom	threewill.com