About: http://webisa.webdatacommons.org/55428781

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 operator typically uses laser pointer 20 for transmitting a laser beam 22 at display screen 18 in order to highlight slides or other displayed material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca