On 28.10.2015 10:11, Dimitris Kontokostas wrote:
...
Definitely. However, there is some infrastructural gap between
loading a dump once in a while and providing a *live* query service.
Unfortunately, there are no standard technologies that would
routinely enable live updates of RDF stores, and Wikidata is rather
low-tech when it comes to making its edits available to external
tools. One could set up the code that is used to update
query.wikidata.org <http://query.wikidata.org> (I am sure it's
available somewhere), but it's still some extra work.
DBpedia Live does that for some years now. The only thing that is
non-standard in DBpedia Live are the changeset format but now this is
covered by LDPAtch
http://www.w3.org/TR/ldpatch/
At the moment DBpedia Live only produces the changeset that other
servers can consume.
The actual SPARQL Endpoint is located in an Openlink server and we
already use the same model to feed & update an LDF Endpoint (Still in
beta)
If there *were* an ldpatch service for Wikidata, then you *could* do
this for Wikidata as well, using standard tools (on the W3C "WG Note"
level) from this point on. However, there is no such service now, and I
am not aware of any activity that is aimed at building such a service.
It's not rocket science to set this up, but it requires non-standard
techniques and custom tools (starting with parsing edit histories of
Wikidata).
Markus
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