About: http://webisa.webdatacommons.org/430451971

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	Likely, ebooks are purchased mainly by people who also buy physical books, so it is a supplement to their book collections, not a replacement of.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org