About: http://webisa.webdatacommons.org/328708147

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	Joshak is mostly on-target, however, there is a missing piece of the puzzle there: Google factors in the words used in links to your site fairly heavily.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com