RE: DM expressing until-like queries in XPath 2.0

I don't have any software for displaying .ps files, could you possibly
provide a more accessible format? 

(Yes, I know I could get it, but my disk and my day are both full).

Michael Kay

> -----Original Message-----
> From: Maarten Marx [mailto:marx@science.uva.nl] 
> Sent: 27 November 2003 11:13
> To: public-qt-comments@w3.org
> Subject: DM expressing until-like queries in XPath 2.0
> 
> 
> The attached ps file contains an example of an XML document 
> and an information need which uses an "until" like path (that 
> is, a descendant path such that all nodes on the path  have a 
> certain attribute-value true  at them).
> 
> I could prove that this query is not expressible in Core 
> XPath (the "logical core of XPath 1.0" defined by Gottlob et al). 
> 
> It is unclear to me if I can express it in XPath 2.0. 
> Any help welcome.
> 
> Maarten Marx
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> Maarten Marx 	    marx@science.uva.nl     
> http://www.science.uva.nl/~marx
> 
>  Language and Inference 
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