Thanks for your answers.

Laurent

On Wed, Jul 13, 2011 at 11:45 AM, Damian Steer <[email protected]> wrote:
>
> On 13 Jul 2011, at 10:24, Andy Seaborne wrote:
>
>>
>>
>> On 13/07/11 10:04, Laurent Pellegrino wrote:
>>> Hi all,
>>>
>>> I would like to rewrite a SPARQL query. My idea consists in compiling
>>> the SPARQL query string to the algebra form. Then, I can edit the
>>> algebra tree (prune it for example). However, I don't know how to
>>> translate the algebra into a SPARQL query string. Is it possible to do
>>> it from the algebra?
>>>
>>> Kind Regards,
>>>
>>> Laurent
>>
>> See
>> OpAsQuery.asQuery(Op)
>>
>> It's not perfect.
>
> We were using this quite extensively in a recent project, and while not 
> perfect we certainly battle tested a decent part of it, including SPARQL 1.1 
> group and count. Related: [1].
>
> Damian
>
> [1] <http://openjena.org/wiki/ARQ/Manipulating_SPARQL_using_ARQ>

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