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PrefixNamespace IRI
n4google.
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isa:287489241
rdf:type
prov:Entity
prov:value
The function f(x,y) is the original surface profile or existing topography of the optic or other element, and the function d(x,y) is the desired surface profile or predetermined surface topography.
prov:wasQuotedFrom
n4:com
Subject Item
isap:218947363
prov:wasDerivedFrom
isa:287489241