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Interoperability can be achieved by autonomous applications
that inquire of a source what types it can produce and being
able to recognize those types. There is no free lunch here.
Discovery-based systems will work reasonably well. The web
functions because the HTTP operations are fixed and their
semantics are well understood, and because one dominant
type (HTML) rules the majority of transactions.
len
From: W. E. Perry [mailto:wperry@fiduciary.com]
It is only the output--not some contractual form of
input--which makes each of those applications of interest and which, when published
in a Web-accessible way, is the basis on ongoing interoperability with still further
applications.
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