About: http://webisa.webdatacommons.org/102501643

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	Alternatively, the signal can be an optical signal such as a color change or a fluorescent signal, i.e. a photon emission, as will be readily apparent to those of ordinary skill in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com