<http://webisa.webdatacommons.org/prov/211724363>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/214806471> .
<http://webisa.webdatacommons.org/214806471>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/214806471>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/214806471>	<http://www.w3.org/ns/prov#value>	"The reference frame can be illuminated by LEDs or other light sources capable of providing the desired shade of gray corresponding to different types of lighting, such as incandescent or daylight." .