About: http://webisa.webdatacommons.org/184223555

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	Flickr's formula factors in subtle factors, too, such as the relationship between who posted a photo and who commented on it.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com