<http://webisa.webdatacommons.org/181811954>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/181811954>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/156183207>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/181811954> .
<http://webisa.webdatacommons.org/181811954>	<http://www.w3.org/ns/prov#value>	"A strongly emitting light source, such as light emitting diode or laser 23 is used to generate a beam 25." .