About: http://webisa.webdatacommons.org/34343621

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	When importing from disk (ebook per directory), if an OPF file is present, use that to read metadata, including date.
http://www.w3.org/ns/prov#wasQuotedFrom	iusethis.com