Re: Extracting ordering information from order by in a construct statement

Hi Erich,

> There doesn't seem to be anyway to create a SPARQL construct statement like the following:
> 

I believe that the reasoning is that CONSTRUCT makes a _set_ of triples and sets don't have an order. I.e., a triple-store is an unordered collection and that it what CONSTRUCT constructs :-).

> but I did not get anything that would work or seem remotely efficient.  If this is the case, why have order by in a construct statement at all if one cannot capture this information as triples?


The ORDER clause in your example is essentially a no-op. Obviously, however, it would be important if you also had a LIMIT.

HTH,
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Gary Warren King, metabang.com 
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Received on Wednesday, 17 October 2012 14:23:13 UTC