Ah, interesting. That's what I meant with incremental changeset provided
by the source maintainer. I knew that there was something like this for
DBpedia, simply providing changesets of triples. Weird that there is no
RDF format available for Wikidata. Maybe Laura could open a feature request.

By the way, thanks for RDF Patch pointer.


Cheers,

Lorenz


On 24.11.2017 18:43, ajs6f wrote:
> Wikimedia does offer a sort of general procedure for this: you can check to 
> see the updates since the last dump and do per-resource changes.
>
> https://www.wikidata.org/wiki/Wikidata:Data_access#Incremental_updates
>
> But perhaps more efficiently for yourself, you could use their incremental 
> dumps:
>
> https://dumps.wikimedia.org/other/incr/wikidatawiki/
>
> which are for some reason only provided in XML. 
>
> ajs6f
>
>> On Nov 24, 2017, at 12:24 PM, Laura Morales <[email protected]> wrote:
>>
>>> Laura, can you tell us a little more about why you are trying to avoid 
>>> transmitting the whole graph? Is it because of an unreliable network 
>>> between your client and Fuseki or because of something else?
>> Wikidata is about 4 billion triples, and it takes a lot of time to create 
>> the TDB store from the nt file. They release a new dump about once a week, 
>> and I would like to update my local copy when they release a new dump. 
>> Reloading the entire graph from scratch every time seems very inefficient 
>> (as well as an intensive process) considering that only a tiny % of the 
>> wikidata graph changes in a week.
>

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