If you use list=search, and search for incategory:2013 incategory:Graduation_work, it should give you a list of things in both cats, provided the wiki has CirrusSearch installed (this includes all wikimedia wikis).

--bawolff
On Apr 2, 2015 9:12 AM, "andre" <andrecastro@c-e-m.org> wrote:
>
> Thanks Magnus,
>
> Yes, it is expectable that no pages appear in both of these categories, as this was not a query Wikipedia to but a wiki
> installation I work on, at http://pzwiki.wdka.nl/mw-mediadesign/
>
> Do you know if it is possible to do the same kind of category intersection Quick Intersection performs, using the MW API?
>
> a
>
>
>
> On 04/02/2015 01:56 PM, Magnus Manske wrote:
> > https://tools.wmflabs.org/quick-intersection/index.php?lang=en&project=wikipedia&cats=Graduation_work%0D%0A2013&ns=0&depth=12&max=30000&start=0&format=html&redirects=&callback=&norun
> >
> > (there don't appear to be any pages in both of these categories, though)
> >
> > On Thu, Apr 2, 2015 at 11:05 AM andre <andrecastro@c-e-m.org> wrote:
> >
> >>
> >> Hello,
> >>
> >> I have been using Mediawiki API on a few projects.
> >> I now need to query the API for pages, members of 2 categories.
> >> The pages have to be members of BOTH Category:Graduation_work and
> >> Category:2013
> >>
> >> I've tried with:
> >> api.php?format=json&action=query&list=categorymembers&
> >> cmlimit=500&cmtitle=Category:Graduation_work&cmtitle=Category:2013
> >>
> >> but I realized that what the request is doing is asking only for the
> >> members of last category, that is Category:2013.
> >>
> >> How could I request only the pages that are member of BOTH categories?
> >>
> >>
> >> I have been searching, but found no answer.
> >> Help would be very much appreciated :)
> >> cheers
> >> a
> >>
> >>
> >> --
> >> pinknoi.so
> >> bibliotecha.info
> >>
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> >>
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> >>
> >
> >
> >
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> >
>
>
> --
> pinknoi.so
> bibliotecha.info
>
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