About: http://webisa.webdatacommons.org/13008399

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	Early WDM systems operated with a relatively narrow wavelength bandwidth, centered around 1550 nanometers, e.g. 1530-1565 nanometers, often referred to as the C-band.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com