About: http://webisa.webdatacommons.org/406625495

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 Present Perfect can be tricky to teach (and understand!) but this worksheet is a great introduction to one of the more common uses!
http://www.w3.org/ns/prov#wasQuotedFrom	handoutsonline.com