In this email I'd like to ask your attention for some maintenance. I know
this sounds boring, but it should make your life easier down the line. I'll
talk a bit about monument lists, and how to make sure that the
infrastructure that helps in categorization and validity checks works
smoothly in your country. Please make sure that for each country, at least
one person takes a good deep look at this. I'll try to answer the most
common situations. If you still have more questions, just hit 'reply' and
ask! If you find yourself in one of the situations below where we ask you
to get in touch with us then please file a task in Phabricator
For our maintenance, we use the monuments database, where all lists of
monuments are collected (whether they are on Wikipedia or in Wikidata).
The monuments database
<https://commons.wikimedia.org/wiki/Commons:Monuments_database> serves two
main functions. The first is that it allows our busy robot ErfgoedBot to do
various tasks with the uploaded images such as categorising them and making
reports that local organisers can use to get the most out of the images.
The second is that it allows other developers to build tools, such as
1 <https://tools.wmflabs.org/wlm-maps/> , example 2
<https://tools.wmflabs.org/map-of-monuments/>) that can either be used to
explore the monuments or can be of assistance during the competition itself.
The data in the monuments database is harvested from either a structured
lists of monuments on a Wikimedia site or from monuments items on Wikidata.
In either case the international team must first have been made aware of
the lists/Wikidata items.
I'm not sure if my country is in the monuments database. What do I do?
To find out if your country is in the database go to
and look for your two letter
country code <https://en.wikipedia.org/wiki/ISO_3166-1#Current_codes> and
language code (i.e. language version of Wikipedia). If you find it then
your country is in the monuments database! If you don’t, and you believe
that it should, please get in touch.
Note that some countries may have multiple entries either for different
types of monuments or for different parts of the country.
We're transferring to Wikidata and didn't tell you yet. I thought it would
be fine right away. What do I do?
If you switched from lists of monuments to Wikidata and didn’t tell us, the
monuments database will still be based on those Wikipedia lists. Similarly
if you never had lists but put the monuments directly into Wikidata without
telling us, your data will not be in the monuments database.
For the monuments database to harvest the information from Wikidata you
will have to get in touch with us and provide us with the necessary
information to determine how to set up the harvesting. Please file a task
on Phabricator (see this example <https://phabricator.wikimedia.org/T174333>).
Once the harvest is up and running most of the Reports (see below) will be
generated as before.
If you have switched from lists to Wikidata, it is worth thinking about how
you allow photographers to find the monuments. Will you keep your old lists
in parallel? Can you make new lists automatically generated from Wikidata,
like this Australia example
(careful, some wikis may not allow such lists in the mainspace!). Can you
make use of Monumental <https://maps.wikilovesmonuments.org/>?
Our monuments have new IDs after moving to Wikidata
Did your monument IDs changed after moving to Wikidata (even if they have
just lost or gained a prefix)? Or do you now use only the Qid instead of
the old identifier? Then there are multiple things which may have to be
The first is to ensure that your instructions for Photographers do not
reference the old IDs this year.
The commons template used to tag the images with the monument it depicts
will likely have to be updated to support the new IDs. This template is
automatically added by the Upload Campaign
If the template is already in heavy use, because of images from previous
years, it might be easier to set up a new template and update the Upload
campaign (and Monuments database settings). Get in touch with us if this is
If you are allowing uploads using both the old lists and Wikidata you may
need two separate Campaigns and two separate commons templates. Get in
touch with us if this is the case.
My country is in the monuments database, but I have no idea what to do with
that information. What maintenance pages/reports should I check?
For each of these maintenance pages/Reports mentioned below the link goes
to a page on Commons which has more detailed information and links to the
individual page(s) for your country. Each type of page updates once per day.
If your country is not on the list but you think it should, then get in
(lists and Wikidata)
This lists any images of monuments where that monument doesn't yet have an
image on the list [or an image statement on the Wikidata item if Wikidata
is used instead of lists].
The purpose of this list is to make sure the photographs taken for WLM
actually get used.
Action item: Add the image to the list or wikidata item, and the next day
it should disappear from the report.
Every day ErfgoedBot processes your lists of monuments. If it encounters an
unexpected template parameter it make a report of it. While this page
seldom changes it’s worth having it on your watchlist, just in case.
The purpose of this list is to give organisers a quick way of spotting when
someone has accidentally broken one of the templates or to warn you about
new fields which the monuments database has not yet been made aware of.
Action item: Fix the broken template instances
Images without id
(lists and Wikidata)
This lists any images which have been uploaded without providing an id
linking it to a specific monument. The bot will try to guess the id when
The purpose of this list is to make sure that each photograph taken makes
it clear which monument it depicts. The earlier these are caught the bigger
the chance that the photographer can add the missing information.
Action item: unidentified images could be disqualified. As national
organizer, it's up to you to either fix the missing number, contact the
uploader or to disqualify the image.
Hope this helps. Just reply if there are any questions.
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