About: http://webisa.webdatacommons.org/143834364

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 you are dealing with physical products, such as books, CDs, or widgets, you may want to consider these additional fields:
http://www.w3.org/ns/prov#wasQuotedFrom	packtpub.com