Kingsley, I'm not sure I understood the question.
Please take a look
at the phabricator ticket that describes the implementation approach.
The code is currently sitting in a branch, and can be easily merged
with the sophox's master branch, and enabled on sophox endpoint.
Yuri,
I was just seeking the endpoint URL for the SPARQL Query Service. I
think it is
On Mon, Jun 3, 2019 at 8:38 PM Kingsley Idehen <kidehen(a)openlinksw.com
<mailto:kidehen@openlinksw.com>> wrote:
On 5/31/19 11:28 AM, Yuri Astrakhan wrote:
I actually already implemented support in
SPARQL for that, but it
needs a bit more work to get it properly merged with the
Blazegraph code. I had it working for a while as part of Sophox
(OSM Sparql).
*
docs:
https://wiki.openstreetmap.org/wiki/Sophox#External_Data_Sources
*
code:
https://github.com/Sophox/wikidata-query-rdf/compare/master...Sophox:tabular
(see Tabular* files)
* phabricator discussion about the above
code:
https://phabricator.wikimedia.org/T181319
Tabular support allows any CSV-style tables to be treated as
federated sources. With minor changes it should be possible to
use mediawiki's .tab pages too.
Hi Yuri,
What is the SPARQL Query Service endpoint? Basically, the
equivalent of :
http://query.wikidata.org/sparql ??
Kingsley
On Fri, May 31, 2019 at 6:01 PM Daniel Mietchen
<daniel.mietchen(a)googlemail.com
<mailto:daniel.mietchen@googlemail.com>> wrote:
Hi,
I'm looking into ways to use tabular data like
https://commons.wikimedia.org/wiki/Data:Zika-institutions-test.tab
in SPARQL queries but could not find anything on that.
My motivation here is in part coming from the time out
limits, and the
basic idea here would be to split queries that typically time
out into
sets of queries that do not time out and - if their results were
aggregated - would yield the results that would be expected
for the
original query would it not time out.
The second line of motivation here is that of keeping track
of how
things develop over time, which would be interesting for both
content
and maintenance queries as well as usage of things like classes,
references, lexemes or properties.
I would appreciate any pointers or thoughts on the matter.
Thanks,
Daniel
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