On Sun, Mar 20, 2011 at 2:58 AM, Robert Crowe <rob...@ourwebhome.com> wrote:
> I think of this as a tree, even though I know it's a graph.  If I send a 
> query like this:
>
> http://en.wikipedia.org/w/api.php?action=parse&page=Portal:Novels
>
> The <links> element contains <pl> items in namespaces 0 (articles), 14 
> (categories), and 100 (portals).  I interpret that as "Portal:Novels contains 
> these items", meaning that in tree terms it is the parent of those items, or 
> that those items "belong to Portal:Novels".
>
> If I send a query like this:
>
> http://en.wikipedia.org/w/api.php?cmtitle=Category:Literature&action=query&list=categorymembers&cmlimit=500&titles=Category:Literature&prop=categories
>
> The <categories> element contains <cl> items that are the categories that 
> contain Category:Literature, the parent categories.  Similarly for pages.
>
> So I'm able to list the categories that are the parents of a given category 
> or page, but I can't seem to find a way to list the portals that are the 
> parents of a given category or page.  Is there a way to do that?  Basically 
> I'm just trying to navigate the tree.

http://en.wikipedia.org/w/api.php?action=query&list=backlinks&bltitle=Voltaire&blnamespace=100&bllimit=500

(replace Voltaire by whichever page you're interested in)

-- 
André Engels, andreeng...@gmail.com

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