About: http://webisa.webdatacommons.org/28092336

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	Optical signals suffer degradation along an optical path from such factors as loss, noise, inter-symbol interference, fiber dispersion, non-linearity of the elements and transmission medium, ambient temperature variations, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com