About: http://webisa.webdatacommons.org/218310467

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	BACKGROUND OF THE INVENTION While reading, many readers like to use a pen or other marker to mark interesting content of what they are reading and write down comments and/or notes related to the content.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com