About: http://webisa.webdatacommons.org/184127364

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	If the book is not primarily text, for example, a book with many screen shots or other images that are important, then OCR will not help you.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com