About: http://webisa.webdatacommons.org/181813127

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 suspect this is because ???Young Adult??? as we conceptualize it today is a relatively recent invention ??? most bookstores and libraries didn't even have a YA shelf until the mid-1990s.
http://www.w3.org/ns/prov#wasQuotedFrom	wyzant.com