About: http://webisa.webdatacommons.org/76588928

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	Starting in early 2011 sales data will be collected weekly from a variety of sources, including publishers, chain bookstores, independent booksellers and online retailers.
http://www.w3.org/ns/prov#wasQuotedFrom	archive.org