Dear John, (01)
> > It eventually emerged that the groups in the two countries were
> > NOT using two versions of the same program, but two different
> > programs with different capabilities.
> There are many possible sources of errors in NL reports, including
> vagueness, ambiguity, and confusion caused by different perspectives
> on the same phenomena. Two programs written by different people (or
> even by the same person at different times) typically embody different
> perspectives -- or different "ontologies", as one might say.
MW: It is even worse than that. Two implementations of the same system
(same version) can embody different ontologies and be incompatible.
I know 'cos we've done it thinking that using the same system would
solve the problem. (03)
Reference Data Architecture and Standards Manager
Shell International Petroleum Company Limited
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