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From "Piroumian, Konstantin" <>
Subject Re: Looking for a page description language
Date Wed, 23 May 2001 10:53:20 GMT

I am working on something like that, but my work is more form-oriented than
page, so I use some concepts from W3C XForms (
This can be also useful for you, because one of the goals of XForms is to
provide a device independant language for form description and some

   Konstantin Piroumian.

----- Original Message -----
From: "Tobias Kiesling" <>
To: <>
Sent: Tuesday, May 22, 2001 1:02 PM
Subject: Looking for a page description language

> Hi all,
> I am a student and I need some help for a paper I am writing. I would like
> compare a system I developed with the help of cocoon (especially the
> architecture of that system) to similar systems. But first let me explain
> system we developed:
> In the scope of a university course we implemented a simple web
> system with the help of Cocoon. This surely is no production system, but
> rather more academic. We tried very hard to have an extreme separation
> between content, logic and style (this is what cocoon is about). This led
> the creation of an XML language that should represent the pages to be
> returned to the client, before fetching data from the database and
> transforming the document to the proper transformation medium (we used
> and WML).  The language was created as a more abstract view on a web page
> that should be independant of the particular presentation media, but
> enough to model all possible items that could be present on a web page.
> Additionally the language had to be independant of the underlying data
> (i.e. the structure of the data fetched from the database).
> The language can be regarded as a kind of generic page description
> that could be used to model any kind of web page (of course this is an
> unproofed claim!).
> My question is, does anybody of you have developed a similar language for
> similar purposes. I think that a variant of such a language is needed in
> almost every system that uses cocoon, even the samples in the cocoon
> distribution use such a page description language. What I am looking for
is a
> language that is generic enough to be used with every type of presentation
> medium (HTML, WML, VoiceXML, Braille, etc.), but is independant of all
> media and additionally is independant of the data model of the data to be
> presented in this page.
> I have already been looking around for any trace of such a language, but I
> didn't find any. If someone of you has developed a similar language, or
> of it, please let me know.
> I would really appreciate any help on this!
> Thanks in advance,
>   Tobias

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