About: http://webisa.webdatacommons.org/6882246

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	I sawfrom a tutorial that there was an option to save as an .sgf I thought this was the native sigil format just like IBookAuthor has its native file.
http://www.w3.org/ns/prov#wasQuotedFrom	mobileread.com