About: http://webisa.webdatacommons.org/73170072

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	I believe that changes is a signal for SE, mens that your web site is developing and I have heard SE especially Google can rank your web site higher due to that.
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com