About: http://webisa.webdatacommons.org/270465146

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	Some of them have names such as coma, trefoil and spherical aberration, but many more of them are identified only by mathematical expressi
http://www.w3.org/ns/prov#wasQuotedFrom	allaboutvision.com