About: http://webisa.webdatacommons.org/33452956

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	Pirolli, Pitkow, and Rao defined a set of functional roles that web pages can play, such as head (roughly the front door of a group of related pages), index, and content.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com