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KB Term:
Sigma KEE - ClassIRailroad
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ClassIRailroad
ClassIRailroad
is the subclass of
RailroadCompany
whose instances have an average annual gross revenue above $256.4 million
UnitedStatesDollar
s.
Relationships
Parents
RailroadCompany
Any
TransportationCompany
whose services include
Transportation
by
Train
.
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Suggested Upper Merged Ontology (SUMO) web home
Sigma version 3.0 is
open source software
produced by
Articulate Software
and its partners
