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SHOULD NOT return unknown

From: Jeremy Carroll <jjc@hplb.hpl.hp.com>
Date: Tue, 13 May 2003 13:15:08 +0200
To: "Jeremy Carroll" <jjc@hplb.hpl.hp.com>, <www-webont-wg@w3.org>

I suggested revised text on the consistency checker including this

> A consistency checker SHOULD NOT return Unknown. This requirement is to
> remind implementors that Unknown, while sometimes needed, is not
> a response desired by the user.
> This requirement also clarifies that techniques
> <link1>essential</link1> [Patent Policy] in non-trivial consistency
> checkers are <link2>normative</link2> in this recommendation.

The <link1> to the definition of essential is:
and <link2> to

this is intended to better ensure that the royalty free status of the WG
covers the requirements of a consistency checker. (I am a little concerned
that without it, there is nothing essential in building a consistency
checker since
echo Unknown
is an alternative implementation). We might consider asking the patent
policy WG to review that paragraph as part of the last call process.

Received on Tuesday, 13 May 2003 07:15:30 UTC

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