About: http://webisa.webdatacommons.org/439181568

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	Use the drawing tools to add lines, ovals, rectangles, and other shapes to your PDF file to provide feedback and comments on a PDF document.
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com