Hi Marteen,

they have evaluated, and rejected (rightly so) WDQ as one alternative. They also seem to have all my query commands covered, AFAICT. See the notes Nik linked to.

Personally, I will be relieved once running such a vital service is not on my part-time shoulders anymore :-) WDQ has been challenging and fun, but it should really be an official WMF service offering a Wikidata query API, just like Wikidata proper is.

Cheers,
Magnus

On Thu, Jan 8, 2015 at 9:51 PM, Maarten Dammers <maarten@mdammers.nl> wrote:
Hi Nik!

Nikolas Everett schreef op 7-1-2015 om 0:01:
tl/dr: we're going to move forward building a query service against Titan/Cassandra rather than OrientDB or ArangoDB or anything else.
 Great to hear that you're making progress! On thing you didn't mention in your email or in the spreadsheet is that we already have a query service prototype at http://wdq.wmflabs.org/ . You do know about that, right?

Whatever you come up with will be compared with WikidataQuery. You need to manage expectations here and communicate. WikidataQuery is your baseline. If you lack certain features that are in WikidataQuery, the new query service sucks from a user perspective. If on the other hand you have things that are better (reliability? speed?), the new query service is a good next step from a user perspective.

I would strongly suggest you make a comparison of WikidataQuery and the new query service so the users know what to expect and can comment in an early stage. If you don't do this you risk ending up with a technical outstanding service that nobody is using.

Maarten


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