[Sugar-devel] Call for testing and feedback: alternative Journal implementation

Aleksey Lim alsroot at sugarlabs.org
Wed May 23 01:40:09 EDT 2012


On Wed, May 09, 2012 at 06:45:34PM +0200, Christophe Guéret wrote:
> Dear all,
> 
> A part of the project "SemanticXO" concerns the implementation of an
> alternative Journal implementation making use of the triple store backend.
> Triple store are data bases optimised to store factual information in the
> form of statements linking a subject, a property and a value. This makes
> them particularly fit to store key/value metadata, such as the one the
> Journal uses. The feature proposal for SemanticXO gives more detailled
> about what this is about: http://wiki.sugarlabs.org/go/Features/Semantic_Web
> 
> I've just finished removing a couple of bugs and would be interested in
> getting a first round of feedback.
> The installation procedure is not super convenient but should be manageable
> anyway: http://wiki.sugarlabs.org/go/Features/Semantic_Web/Testing
> 
> The code is based on two parts:
> * a module "common" that allows to store arbitrary data in the triple store
> * a module "datastore" which uses "common" to store the data from the
> Journal
> I'm now working on implementing other usage examples for "common". In the
> Journal, the most visible change is the possibility to browse the content
> through the SPARQL interface of the triple store. This means it is
> possible, and rather easy, to gather statistics about the activities
> performed in a class room or do backup of the metadata without having to
> interupt any other activity.
> 
> Looking forward to your feedback, cheers,
> Christophe

Did you run it on XO laptops with stable OLPC OS (which is based on
Fedora-14)? There are no required dep versions for recent redstore
release.

-- 
Aleksey


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