About: http://webisa.webdatacommons.org/290600141

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	Here xi???X and yi???{1,???1}???x represents a document and y represents whether or not a document is a document in the designated type.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com