About: http://webisa.webdatacommons.org/442227217

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	Generally, there are several available forms of light sources and detectors (i.e., active optics devices).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com