About: http://webisa.webdatacommons.org/394166315

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	On the other hand, another marker apparatus employing a light source such as a bulb, an electronic flash or the like has been also proposed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca