About: http://webisa.webdatacommons.org/139962204

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	At step 82 (optional), the electrical signal or other quantity or output corresponding to the non-image information sensed may be converted into an optical output (e.g. modulated optical output).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com