About: http://webisa.webdatacommons.org/228626340

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	It allows you to define relationships, types of content etc and it is currently supported by most of the major Search Engines such as Google, Yahoo, Bing, Yandex etc.
http://www.w3.org/ns/prov#wasQuotedFrom	webseoanalytics.com