Re: [dotNetRDF-Develop] New SPIN library for dotNetRDF

[Rob V. <rv...@do...>]

Just to update everyone on this me and Max have been discussing the pull
request and bar clearing up one final code modification to the Core library
we should be able to merge this shortly.

Max likely has more work to do to complete the implementation but we should
have enough to start pushing out some pre-release builds to NuGet for people
to try out

Cheers,

Rob

From:  Max - Micrologiciel <ma...@mi...>
Reply-To:  dotNetRDF Developer Discussion and Feature Request
<dot...@li...>
Date:  Friday, 31 January 2014 15:31
To:  dotNetRDF Developer Discussion and Feature Request
<dot...@li...>
Subject:  [dotNetRDF-Develop] New SPIN library for dotNetRDF

> Hi Rob and everyone,
> 
> First I wish you all a happy new year and the best for 2014 (on the dead-line
> as usual ;)).
> 
> As I told Rob, I've been working on RDF access control and business rules
> issues for a while and as I worked and searched for useful
> tips/recommandations, SPIN rose as an evidence.
> 
> So I'm submitting (yet as a pull request) a first implementation of a SPIN
> processing engine for dotNetRDF.
> 
> As stated in the pull request message :
> 
>> The first issues that are addressed within this pull request are :
>> * the capability to work on a dataset with any non-SPIN-capable storage
>> provider that supports SPARQL 1.1 (including Leviathan processed datasets
>> wrapped within an InMemoryManager instance)
>> * complete isolation level with other API clients (inferred triples included)
>> while SPIN processing is performed and until the dataset changes are flushed,
>> * the capability to monitor updates on the dataset's graphs for subsequent
>> SPIN constructors/rules/constraints checks processing (only supported yet or
>> INSERT/DELETE DATA commands)
>> The main things that remain to be done are :
>> * to finalize the SPARQL updates rewriting to allow for any query form to be
>> monitored through the triples addition/removal temporary graphs design.
>> * to provide an implementation of the SPIN processing pipeline on Updates.
> 
> I would add that addressing update concurrency issues would in time be welcome
> if someone has any experience in this domain.
> 
> Note to those who would be interested to contribute on this:
> the implementation is based on Jena 's SPIN library (from TopBraid) so many
> classes are now unused and were just ported to c# for compilation need, but
> they are kept in the project for reference only until equvalent features have
> been provided.
> 
> Max.
> 
> 
>  
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