W3C home > Mailing lists > Public > public-media-annotation@w3.org > February 2009

please separate objective, testable requirements from goals/principles

From: Dan Connolly <connolly@w3.org>
Date: Tue, 10 Feb 2009 10:01:22 -0600
To: public-media-annotation@w3.org
Message-Id: <1234281682.28267.39.camel@pav.lan>

I see:

"Description: the ontology MUST be available as a simple set of
properties, to hide complexity for whose who do not need it."
 -- http://www.w3.org/TR/2009/WD-media-annot-reqs-20090119/#req-r05

Words like "simple" involve judgement. (Or did I read too fast
and miss an objective definition of "simple"?)

Please let's reserve the word "requirement" for things that
are objective and testable, and use some other lable,
such as "design principle" for subjective things like "simplicity".

"Requirements should be objective and testable. This is not to say that
things that are not testable have no place; the design goals of XML 1.0
were an important part of the consensus process. But design goals,
objectives and the like should be clearly distinguished from testable,
objective requirements."
 -- http://esw.w3.org/topic/RequirementsDocument

Dan Connolly, W3C http://www.w3.org/People/Connolly/
gpg D3C2 887B 0F92 6005 C541  0875 0F91 96DE 6E52 C29E
Received on Tuesday, 10 February 2009 16:01:31 UTC

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