About: http://webisa.webdatacommons.org/407812344

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???s the same principle that allows Google to index and show search results for images, web pages and other content without having to ask every single site publisher or photographer.
http://www.w3.org/ns/prov#wasQuotedFrom	gigaom.com