Wikidata:ProgettoWiki La raccolta di tutti i quadri

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This page is a translated version of the page Wikidata:WikiProject sum of all paintings and the translation is 17% complete.
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WikidataCon Award 2019
Collage van schilderijen in blauw.png
Add a painting! See also this video by Shonagon

Il ProgettoWiki La raccolta di tutti i quadri è un ProgettoWiki volto a creare in item Wikidata per ogni quadro esistente


Su Wikipédia, abbiamo l'abitudine di scomporre le attività in piccole azioni facilmente completabili. Esempio ne sono il progetto sui mulini a vento della Wikipedia olandese o la lista degli edifici storici in Wikimedia Loves Monuments Wiki Loves Monuments (Q1353202). Per i quadri possiamo usare la stessa strategia: dividiamo il progetto in piccole parti gestibili e poi potremo usare i dati aperti e liberi di Wikidata per avere la lista di tutti i quadri del mondo!


Abbiamo molto lavoro da fare, per favore dacci una mano!

Tutto o ogni cosa, è un limite troppo ampio e non ha confini. Un limite deve essere deciso per consentire il trattamento dei dati

  • Il quadro è collocato all'interno della raccolta di un museo, di una biblioteca, di un archivio (es. una pittura degli Uffizi)
  • Il quadro è opera di un artista famoso (es. i quadri del Caravagio in una raccolta privata)


  • I quadri in oggetto rispettano i criteri di enciclopedicità di Wikipedia, perchè rilevanti trovandosi in una raccolta rilevante di un Igreja de São Pedro de Lourosa (Q10300034), perchè sono opera di un pittore rilevante e sono in genere documentate con fonti secondarie di rilevanza affidabile.
  • GLAM è un acronimo inglese per "Galleries, Bibliotheque, Archives et Musées" (Gallerie, Biblioteche, Archivi e Musei), che include anche edifici pubblici come castelli, edifici pubblici, edifici religiosi come chiese, monasteri, templi, che possono contenere quadri, affreschi ed altre opere d'arte.
  • Usare le linee guida per la struttura dell'item quando aggiunto un dato ad ogni pittura. Considerarlo come un archivio di gestione di una collezione.
  • Se incontri un dato (es. un pittore, un collezionista) che non esiste, per favore, crealo in Wikidata (clicka sul link rosso)


Tutte le istituzioni hanno qualche tipo di metadato; questi data sono molto importanti per migliorare questo progetton la licenza o. "Il nostro sogno è che tutti i GLAM aprano i metadati delle loro collezioni con la licenza Creative Commons Zero (CC0)". Questo ci consente di caricare velocemente con procedure automatiche e di risparmiare tempo e risorse umane per concentraci su altre parti del progetto. Ciò significa che i GLAM che hanno rilasciato i dati, come Rijksmuseum (Q190804), trovano i loro dati in Wikidata. Per avere maggiori informazioni sulle ragioni per cui rilasciare i dati in CC0 here. Per adesso solo un piccolo gruppo di istituzioni lo ha fatto.

Ma i miei dati sono pubblicati con licenza CC-BY-SA license!. Non possiamo usare questi dati perchè sono incompatibili con la licenza di Wikidata. CC BY SA è una licenza restrittiva per i dati e è contraria alla nostra missione di fornire dati liberi e riusabili.

Per i dati nelle banche dati negli USA abbiamo una simile situazione di copyright reproductions of 2D artworks: E' probabilmente in pubblico dominio. Vedere Wikimedia Foundation, prospettive preliminari sullo stato dei diritti dei database. Quindi dal punto di vista legale possiamo probabilmente fare una copia dei dati dei musei negli USA, così come possiamo copiare una riproduzione di un vecchio quadro. Just like with copying reproductions, we rather do it together with the GLAM than without their knowledge and consent. See also this overview of cases studies of working together with GLAMs.

We haven't released our metadata, but we do have some of our collections online - Great! Then we can slowly work on manually putting your artwork on Wikidata. Please list it below by country and help us by adding your data manually on Wikidata. It's a long process, but better than not having your work represented.


Getting the data for all paintings and importing this data and curating the items is a lot of work. To make this manageable we subdivide all paintings in smaller sections by collection (P195). This way people can focus on one collection, get it to a certain standard and then move on to another collection. For this to work every painting needs to have collection (P195).

Here are a few ways you can get started in helping out!

Help bring these lists down to zero

Wikidata already has quite a few paintings. You can help by adding information to these paintings.

Here are some other lists you can help with:

Notes: On Wikidata, private collection (Q768717) is a valid collection (P195) and those paintings in private collections should be labelled as such. These will occasionaly have no inventory numbers. You can give it inventory number (P217) with "no value" snak if you are absolutely sure the collection does not use any inventory numbers. Wikimedia commons recognizes "oil on canvas" and "oil on panel" in the artwork "medium" field. On Wikidata, the material used (P186) should be filled with two items; oil paint (Q296955) and also to canvas (Q4259259) or to "panel". The depicts (P180) can refer to specific buildings if a cityscape, or to people, if a portrait, but it can also be something less specific, such as "forest" or "abstract art". Typical genres are landscape art (Q191163) or portrait (Q134307).

Items without claims

Add collections that need to be worked on by country

you can browse some collections here Wikidata:WikiProject sum of all paintings/Collection

We also work on things based by country, which is then broken down into institutions within that country. Please add your institutional data here. Just copy and paste from another page if your page is a red link and modify the markup as needed.


It's possible to keep notes on individual collections, see the full list of collections here: Wikidata:WikiProject sum of all paintings/Collection.

Item structure to describe paintings on Wikidata

Paintings should be properly described. See Wikidata:WikiProject Visual arts/Item structure to find a full list of properties. We'll highlight some important ones for paintings here. The two statements every painting here should have:

And to make it a good start painting item add the following statements:

Property Data type description required
creator (P170) Item maker of this creative work or other object (where no more specific property exists). Paintings with unknown painters, use "anonymous" (Q4233718) as value. yes
inception (P571) Point in time date or point in time when the subject came into existence as defined yes
inventory number (P217) String identifier for a physical object or a set of physical objects in a collection yes
material used (P186) Item material the subject is made of or derived from yes
location (P276) Item location of the item, physical object or event is within. In case of an administrative entity use P131. In case of a distinct terrain feature use P706. yes

Questions, issues? Just ask on the talk page (click "Discussion") or send out a tweet with the hashtag #glamwiki.

Add painters (aka creators)

you can browse some creators here Wikidata:WikiProject sum of all paintings/Creator
All the painters

To link paintings to their creators, we need to have items about these painters. You can help create missing painters. Good sources for finding painters to create are:

You can also use Mix'n'Match to match existing items to these authority control databases.

These sources usually contain enough information to build a new item:

Add catalogs

you can browse some catalogs here Wikidata:WikiProject sum of all paintings/Catalog
Mapping the Commons Artwork template to Wikidata (or other way around, depending on your perspective)

Catalogs document the paintings that used to be in public collections, were lost to theft or accident, sold for unusually high prices (we can't yet include data about prices paid), or which were notable for some other reason. Old catalogs help trace the provenance of paintings as to owner, attribution or location. You can add items for catalogs and add one catalog number to one painting, or model entire catalogs. The numbers of the artworks used in catalogs is open data. For older paintings, we can just fill these in. For catalogs listed by publisher or institution, see c:Category:Catalogs of art by institutions.

Try to find the "recognized" art historian for the specific painter you are studying. If the art historian doesn't exist create an item for them, but first check the name using the Dictionary of Art Historians (Q17166797).

Complete catalogs

Incomplete catalogs

If you are interested in 17th-century Dutch paintings, please consider helping with the subproject Wikidata:WikiProject sum of all paintings/Hofstede de Groot, which is a compiled list of prominent 17th-century Dutch paintings before World War II split many large European art collections.

Improve all metadata for the oeuvre of one painter

After importing thousands of paintings, we notice that our data here is not always as clean as it can be. Sometimes creation dates of paintings are missing, attributions are not entirely correct, etc.

One way to help cleaning this up, is by focusing on one single painter's work, checking and improving the correctness and completeness of all her/his paintings we already have here on Wikidata.

Here's a list of the 100 painters with the most Wikipedia sitelinks and at least 10 paintings on Wikidata. Pick one and indicate you're working on his/her oeuvre!


We want to link every painter with it's creator (painter) and improve the quality of the creator items. We create galleries per creator to keep track of them and have an overview of missing creators. The top creators page gives an overview of most important creators based on several different criteria.

To find what items need improvements we have several reports:


We have different ways you can help out depending on your skill set and what you feel like doing. Simplified in three steps:

  1. Get the data
  2. Upload the data
  3. Curate the data


How chapters can help

  • Chapter volunteers or personnel can help by reaching out to museums to get them to release their metadata for paintings into the public domain (CC0). You might already have existing contacts with museums and this might be the next project to do with them. Because we focus on metadata and not images of artworks we can work together with museums of contemporary art (mostly off-limits for other projects because of copyright restrictions). Over time we'll have case studies here of other museums who contributed to Wikidata and how that worked out. You'll be able to use that as an extra push to get a museum on board.
  • Host events bringing together volunteers to edit painting content on Wikidata.

How GLAM staff can help

  • Talk to your staff about opening up your metadata under a CC0 license. Then get in touch with us on the talk page or via Twitter hashtag #glamwiki and tell us that you've opened it. We'll work with you to make sure it's properly declared and accessible and then start the processing of uploading your data to Wikidata! Learn more here.
  • Have events to support adding painting data to Wikidata manually and painting content onto Wikipedia!

The Sum of All Titles: If a collection is located in a non-English speaking country, then chances are that we don't have proper native titles for many paintings in the collection. If you can give us a list of titles per painter in your collection indexed by inventory number, we can add that information to existing items in Wikidata.

The Sum of All Portraits: For important portrait painters, often the sitter is unknown on Wikipedia. If you have identified sitters in portraits in your collection, or if you know whether a portrait was made based on a photograph or sculpture or some other pre-existing work, let us know!

Bot operator

To import datasets to Wikidata we need bot operators. The current import bots are all based on Pywikibot so some knowledge of that or of Python is a pro. It's also quite important you understand the dataset, not everything is in English!

Ready to import

We found several nice CC0 licensed collections that can be imported now by a bot.


GLAM-WIKI 2013 attendees cropped.png

[+ Add yourself to the list]

The participants listed below can be notified using the following template in discussions:

{{Ping project|sum of all paintings}}

How this data is being used

Having all this data about paintings available opens up all sorts of creative reuse. Some examples:

To-do list

The todo list of things still to add to this page, feel free to expand!