About: http://webisa.webdatacommons.org/1354138

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	systems including optical amplifiers and methods of use thereinUS7127173Apr 22, 2002Oct 24, 2006Corvis Algety SaMethod of adjusting power for a wavelength-division multiplexed optical transmission systemUS7133193Jul 16, 2004Nov 7, 2006Corvis CorporationOptical transmission systems including optical amplifiers, apparatuses and methodsUS7245814 *Feb 7, 2000Jul 17, 2007France TelecomLine attenuation
http://www.w3.org/ns/prov#wasQuotedFrom	google.com