About: http://webisa.webdatacommons.org/297516634

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	These include downloaded pictures and video clips from the Internet, sites such as Google Earth, and graphs and charts.
http://www.w3.org/ns/prov#wasQuotedFrom	ascd.org