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Re: Status of the SPARQL algebra

From: Steve Harris <steve.harris@garlik.com>
Date: Mon, 20 Nov 2006 17:28:18 +0000
Message-Id: <09C8735B-0661-4B4F-BACC-F4E74F44F168@garlik.com>
Cc: Kendall Clark <kendall@monkeyfist.com>, RDF Data Access Working Group <public-rdf-dawg@w3.org>
To: andy.seaborne@hp.com


On 20 Nov 2006, at 17:01, Seaborne, Andy wrote:

>
>
>
> Kendall Clark wrote:
>
> > Comments:
> >
> > 1. Numbering the sections and subsections will make it easier to
> > refer to (yes, I know this makes moving it into rq24 a matter of  
> some
> > duplication...)
>
> Worse than that - they keep changing!  I reordered most of the doc  
> today.
>
>
>>> 4/ Advice on how to typeset squiggly symbols in portable XHTML,
>> FWIW, on F'fox 2.0 on Mac, this looks fine.
>
> Unfortunately, I have only included what I found to be absolutely  
> safe (Greek characters).  There are more Unicode characters I'd  
> like to use but not all browsers display things correctly.   FF is  
> better than IE (6 and 7) but is hardly complete (why this isn't an  
> OS font issue, I don't know).  But there are more symbols again  
> that would be good that aren't even in Unicode.

Are you thinking of using the join symbols from relational algebra? I  
think it's better as it is, but you could use the ASCII renderings:  
"[X]" and "=X]".

Rho and sigma must be present in unicode. Though, again, I think it's  
clearer to write it out.

- Steve
Received on Monday, 20 November 2006 17:28:32 GMT

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