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AW: XQuery frameworks

Daniela Florescu dflorescu at mac.com
Tue Feb 2 17:27:02 PST 2010


 AW:  XQuery frameworks
Hi all,

Just for the sake of completeness: I hope people on this thread  
realize that there is
more to XQuery then a query language. It's also a *scripting* language.
http://www.w3.org/TR/xquery-sx-10/

The XQuery scripting extension does provide control flow capabilities  
around queries,
updates and Web function calls. It's smoothly integrated with the rest  
of  XQuery, such that it
  avoids the paradigm shift that usually costs productivity and  
performance.

(this makes XQuery a direct competitor to other scripting  
languages...Javascript, Ruby, etc..
and I think XQuery will be in the long term winning, but that's  
another story, and maybe another
email)

This is of course no excuse for not having a more sophisticated  
servlet-like framework around
XQuery/XSLT for ease of Web application building.

I believe XML needs some work in this area, hopefully standardized by  
the W3C for the
benefit of all.


Best regards
Dana

P.S. For everybody who will attending XML Prague, maybe we can have an  
evening of beer
and  discussions around this. I am looking forward to it.













On Feb 2, 2010, at 4:00 PM, Hans-Juergen Rennau wrote:

> David,
>
> xmlsh seems to me a fascinating approach, and I wonder if the W3C  
> has considered developing a related standard: If it has decided  
> against it I would like to know the reasons. It is simply strange  
> that we XML-minded people have on the one hand a deep conviction  
> about the value of structured information; and on the other hand  
> accept it meekly, day by day, that our workhorse - the unix shell -  
> consumes and delivers lines of text only... that it delivers, say,  
> the result of a find command in a pityfully unstructured way to be  
> parsed... It is an anachronism.
>
> The basic tools concept, as you explain it on the philosophy page of  
> xmlsh, is convincing, and it is a background before which the worth  
> of interoperability of "small programs" gets very clear. If one  
> accepts the tools concept as a general idea, I think it is but a  
> little step to the thought that the interoperability of XQuery  
> queries may be an interesting issue.
>
> What concerns the interaction of queries in the context of xmlsh I  
> have not yet quite understood what is supported or not (yet?)  
> supported. Can one, for example, profit from pipes in order to link  
> two queries? If you gave me a hint where to look, or said a few  
> words in explanation, I would be grateful.
>
> Hans-Juergen
>
>
> ----- Ursprüngliche Mail ----
> Von: David Lee <http://x-query.com/mailman/listinfo/talk>
> An: Hans-Juergen Rennau <http://x-query.com/mailman/listinfo/talk>; http://x-query.com/mailman/listinfo/talk
> CC: http://x-query.com/mailman/listinfo/talk
> Gesendet: Dienstag, den 2. Februar 2010, 13:42:40 Uhr
> Betreff: Re: AW:  XQuery frameworks
>
> You might want to look at xmlsh which was designed to solve this  
> problem of managing the efficient interactions of many xqueries (as  
> well as may non-xquery XML and non-xml pieces of a larger  
> integration),
> although perhaps not in the way you express.
>
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