Caspar, while you are looking into the extensions how would you like to use
transactions in your use case?

Marco

On Thu, 17 Aug 2023 at 13:44, Gaspar Bartalus <[email protected]> wrote:

> Hi Lorenz,
>
> Thanks for the quick response. That sounds indeed very promising.
> Looking forward to knowing more details about the fuseki extension
> mechanism, or a transaction module in particular.
>
> Gaspar
>
> On Thu, Aug 17, 2023 at 9:17 AM Lorenz Buehmann <
> [email protected]> wrote:
>
> > Hi,
> >
> > that is an open issue in the SPARQL standard and Andy already opened a
> > ticket [1] regarding this maybe w.r.t. an upcoming SPARQL 1.2
> >
> > I think mixed query types are still not possible via standard Fuseki in
> > a single transaction, but indeed an extension like you're planning
> > should be possible. Andy is already working on a newer Fuseki extension
> > mechanism (it's basically already there) where you can plugin so-called
> > Fuseki modules. This would be the way I'd try to add this extension to
> > Fuseki.
> >
> > Indeed, Andy knows better and can give you more specific code or
> > pointers - maybe he even has such a module or code part implemented
> > somewhere.
> >
> >
> > Regards,
> >
> > Lorenz
> >
> >
> > [1] https://github.com/w3c/sparql-dev/issues/83
> >
> > On 16.08.23 17:20, Gaspar Bartalus wrote:
> > > Hi,
> > >
> > > We’ve been using jena-fuseki to store and interact with RDF data by
> > running
> > > queries over the http endpoints.
> > > We are now facing the challenge to use transactional operations on the
> > > triple store, i.e. running multiple sparql queries (both select and
> > update
> > > queries) in a single transaction.
> > > I would like to ask what your suggestion might be to achieve this.
> > >
> > > The idea we have in mind is to extend jena-fuseki with new http
> endpoints
> > > for handling transactions.
> > > Would this be technically feasible, i.e. could we reach the internal
> > > transaction API (store API?) from jena-fuseki?
> > > Would you agree with this approach conceptually, or would you recommend
> > > something different?
> > >
> > > Thanks in advance,
> > > Gaspar
> > >
> > > PS: Sorry for the duplicate, I have the feeling that my other email
> > address
> > > is blocked somehow.
> > >
> > --
> > Lorenz Bühmann
> > Research Associate/Scientific Developer
> >
> > Email [email protected]
> >
> > Institute for Applied Informatics e.V. (InfAI) | Goerdelerring 9 | 04109
> > Leipzig | Germany
> >
> >
>
-- 


---
Marco Neumann

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