About: http://webisa.webdatacommons.org/61388381

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	The inventive device is used to hold books, or other reading items, open so that the book may be read without holding it in the reader's hands, in accordance with one aspect of the invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com