<http://webisa.webdatacommons.org/prov/394042550> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/57802043> . <http://webisa.webdatacommons.org/57802043> <http://www.w3.org/ns/prov#wasQuotedFrom> <blogspot.com> . <http://webisa.webdatacommons.org/57802043> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/57802043> <http://www.w3.org/ns/prov#value> "I expected to find a good book to buy from Amazon but what I found was an E-Book." .