About: http://webisa.webdatacommons.org/139658404

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	As to why all of them are not showing up in your reports, seomoz and other tools can only ever index a subset of all the links/pages on the web.
http://www.w3.org/ns/prov#wasQuotedFrom	moz.com