About: http://webisa.webdatacommons.org/183593744

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	For collectors of rare books, having a book appraised before purchase, if possible, is a very good idea, and appraisals can also raise the sale value of a book, when they are conducted by a reputable source.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com