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- From: "Fabio Arciniegas A." <firstname.lastname@example.org>
- To: email@example.com
- Date: Fri, 21 Jan 2000 09:18:06 -0500 (GMT+5)
During the definition of a schema for instances product of Object
serialization, I begin to wonder about the implications of derivation
by restriction in XML: Schema when used with OO apps...
Is derivation by restriction necessary/desirable? could anyone
please explain the need behind it a bit? Is D by R a "threat" to
the conformance principle when using schema to define object
just oblique thoughts... ;) comments?
 loosely put, the traditional conformance principle in OO states: If B
inherits from A, B can be used wherever A can be used.
Fabio Arciniegas A. Viaduct Technologies, Inc.
firstname.lastname@example.org Software Engineer
Interests: XML, Wittgenstein and just about everything in between.
Oblique Strategy of the day: "Feed the recording back out of the medium"
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