About: http://webisa.webdatacommons.org/268649607

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	On that page is a link to a document called introduction and it is the first 50 pages of what apparently is a 777 page book.
http://www.w3.org/ns/prov#wasQuotedFrom	step12.com