About: http://webisa.webdatacommons.org/83371951

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	I understand ??? see the footnote for the reason of iid sampling (as in your original post, you didn't specify whether the book chose with or without replacement).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com