About: http://webisa.webdatacommons.org/188072365

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	Combined with a projection screen, it can be used in the demonstration, teaching, reporting and other occasions.
http://www.w3.org/ns/prov#wasQuotedFrom	hanvon.com