About: http://webisa.webdatacommons.org/401955577

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	The manipulation of optical signals once propagating in an optical fiber represents an equally challenging problem to those attempting to use optical fibers to transmit information or other signals.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com