This "commonscat" in the table refers to the "commonscat of the monument", not the commonscat of the list.

I've been filling locally this paramater with a bot. The logic is: checking the categories of the images in the list, if any of them is a subcategoy of the "commonscat of the list" then probably this is the "commonscat of the monument". If the monument has an article linked, the commonscat of the article is fine as well.

Vicenç

> From: kikkocristian@gmail.com
> Date: Wed, 16 Jan 2013 12:15:51 +0100
> To: wikilovesmonuments@lists.wikimedia.org
> Subject: Re: [Wiki Loves Monuments] Commons categories now in the database
>
> 2013/1/13 Maarten Dammers <maarten@mdammers.nl>:
> > Hi everyone,
> >
> > I noticed quite a few Wikipedia's included a Commons link in their monument
> > lists (almost 40.000 entries at
> > https://commons.wikimedia.org/wiki/Commons:Monuments_database/Statistics). I
> > went ahead and included a new field "commonscat" for each entry in the main
> > table. For existing entries I mapped it, for all the other lists I added
> > commonscat as a field. It's now being used by the categorization bot.
> > For example with
> > https://nl.wikipedia.org/w/index.php?title=Lijst_van_rijksmonumenten_aan_de_Nieuwezijds_Voorburgwal&diff=prev&oldid=34353749
> > I told the bot that all images with id "5940" should be put in
> > https://commons.wikimedia.org/wiki/Category:Nieuwe_Kerk_%28Amsterdam%29 . I
> > haven't actually changed the template at the Dutch Wikipedia yet, that's
> > something for later.
>
> Hi Maarten,
>
> Thank you for this improvement.
> As you know Italian monuments' lists are organized by region, so every
> sublist has a link to the Commons category [[Category:Cultural
> heritage monuments in <region-name>]]. But in the database[1], under
> "commoscat" says 0. Why is it like this? Am I missing something?
>
> Another thing I have not completely understood is how can you tell the
> category of single monuments (like the church above), for example in
> the Italian list some monuments have a category on their own (see, for
> example [2]) which is, obviously, more precise than the general
> category "Cultural heritage monuments in <region-name>". Should we had
> to these entries a commonscat field with the precise cat? is there a
> way to tell the bot automatically which category is or we should do
> this by hand?
>
> Thanks again for you precious work.
>
> Ciao,
>
> Cristian
>
> [1] https://commons.wikimedia.org/wiki/Commons:Monuments_database/Statistics
> [2] https://commons.wikimedia.org/wiki/Category:Villa_romana_%28Desenzano_del_Garda%29
>
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