About: http://webisa.webdatacommons.org/183391864

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	To me, the first one, without the comma, seems to imply that we are already talking about War and Peace, whereas the second one, with the comma, implies War and Peace is an example of a book you should read.
http://www.w3.org/ns/prov#wasQuotedFrom	usingenglish.com