About: http://webisa.webdatacommons.org/362789219

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	More particularly, the invention provides a method and apparatus for allowing a user to add annotations and other markings to an electronic document independently of the content of the document.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca