About: http://webisa.webdatacommons.org/191769696

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	Or it can be considered to be a system including three optical materials (gas, liquid and solid), but with the optical surfaces of the shell being shaped and configured to minimize its effect on the optical characteristics of the system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com