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Re: Requirements Document Updated

From: Henry S. Thompson <ht@inf.ed.ac.uk>
Date: Fri, 10 Feb 2006 11:37:55 +0000
To: Alessandro Vernet <avernet@orbeon.com>
Cc: public-xml-processing-model-wg@w3.org
Message-ID: <f5bfymrwijw.fsf@erasmus.inf.ed.ac.uk>

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Alessandro Vernet writes:

> 1) In the definition for Step (in Terminology), we say: "A step is a
> specification of how a component is used in a pipeline that includes
> inputs, outputs, and parameters". As the term "parameters" is not well
> defined and I would prefer to talk here about "inputs and outputs"
> only, "parameters" falling under the broad category of "inputs".
>
> 2) In the definition of "XML pipeline" we also use the term
> "parameters". Here I assume it means "inputs and outputs". If this is
> the case, I suggest we replace in this definition "parameters" by
> "inputs and outputs".

With respect, I think it's important _not_ to conflate inputs and
parameters.  This connects up with our discussion on the call
yesterday:  inputs, in the prototypical case at any rate, are XML
documents, whereas parameters are (or are adequately modelled as)
name-value pairs.  Not at all the same thing, and confusing to try to
use a single term to cover both.

ht
- -- 
 Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                     Half-time member of W3C Team
    2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
            Fax: (44) 131 650-4587, e-mail: ht@inf.ed.ac.uk
                   URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]
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Received on Friday, 10 February 2006 11:38:21 GMT

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