Are there any updates, ie changes made by this script? That would be against 
the contract of SPARQL functions. Also feel free to send me a copy off-list if 
you like.

Holger


Sent from my iPad

> On 14 Apr 2018, at 09:55, Dimitrios Tzannetos 
> <dimitrios.tzanne...@sv.cmu.edu> wrote:
> 
> Hi,
> 
> I am working in the research group of Dr. Steven Ray at CMU and I would like 
> to ask whether any arbitrary SPARQLMotion script could be invoked via a 
> SPARQL query to a SPARQL endpoint. 
> 
> More specifically, we have several SPARQLMotion scripts and our system's 
> architecture is such that the clients send SPARQL queries to an endpoint, 
> which they call various SPIN functions that correspond to the registered 
> functions of the SPARQLMotion scripts. This process seemed to work fine until 
> a more complex SPARQLMotion script was deployed, involving an 
> IterateOverSelect and BranchByASK modules (all other - still working - 
> scripts don't include these modules). It seems that the flow of execution 
> gets stuck on these two modules. However, there is no issue when this 
> SPARQLMotion scripts is invoked 'directly' via a web-service call. Therefore, 
> my question is whether there are any limitations regarding the modules that 
> can be used in a SPARQLMotion script if it is invoked through a SPIN function 
> call, like the one shown below: 
> 
> SELECT ?answer
> 
> WHERE {
> 
>                 BIND (<http://example.com/sripts/test#MyFunction>(?arg1) AS 
> ?answer)
> 
>  }
> 
> 
> 
> If these limitations cannot be surpassed, are there any alternatives that 
> support invocation through a SPARQL endpoint? 
> 
> Thank you,
> Dimitrios
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