Shortcut: WD:PP/REF

Wikidata:Property proposal/References

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See also:
Wikidata:Property proposal/Pending – properties which have been approved but which are on hold waiting for the appropriate datatype to be made available.
Wikidata:Properties for deletion – proposals for the deletion of properties.

This page is for the proposal of new properties.

Before proposing a property
  1. Check if the property already exists by looking at Wikidata:List of properties (manual list) and Special:ListProperties.
  2. Check if the property is already pending or has been rejected.
  3. Check if you can give a similar label and definition as an existing Wikipedia infobox parameter, or if it can be matched to an infobox, to or from which data can be transferred automatically. See WD:WikiProject Infoboxes for suggestions.
  4. Select the right datatype for the Property.
  5. Start writing the documentation based on the preload form below and add it in the appropriate section.

Creating the property

  1. Creation can be done after 1 week by a property creator or an administrator.
  2. See steps when creating properties.

Add a request

This page is archived, currently at

To add a request, you should use this form:

=== {{TranslateThis | anchor = en
| de = <!-- PROPERTY NAME IN German (optional) -->
| fr = <!-- PROPERTY NAME IN French (optional) -->
<!-- |xx = property names in some other languages -->
}} ===
{{Property documentation
|status                 = <!--leave this empty-->
|description            = {{TranslateThis
  | en = ...
|subject item           = <!-- <!-- item corresponding to the concept represented by the property, if applicable; example: item ORCID (Q51044) for property ORCID (P496) --> -->
|infobox parameter      = Wikipedia infobox parameters, if any; ex: "population" in [[:en:template:infobox settlement]]
|datatype               = put datatype here (item, string, media, coordinate, monolingual text, multilingual text, time, URL, number)
|domain                 = types of items that may bear this property
|allowed values         = type of linked items (Q template or text), list or range of allowed values, string pattern...
|source                 = external reference, Wikipedia list article, etc.
|example                = {{Q|1}} → {{Q|2}}
|formatter URL          = <!-- for external identifiers, URL pattern where $1 replaces the value -->
|filter                 = (sample: 7 digit number can be validated with edit filter [[Special:AbuseFilter/17]])
|robot and gadget jobs  = Should or are bots or gadgets doing any task with this? (Checking other properties for consistency, collecting data, etc.)


(Add your motivation for this property here.) ~~~~


For a list of infobox parameters, you might want to use table format:

{{List of properties/Header}}

{{List of properties/Row|id=
|title          = audio
|type           = media
|qualifier      =
|description    = Commons sound file
|example-subject= Q187 <!-- Il Canto degli Italiani -->
|example-object = Inno di Mameli instrumental.ogg


For blank forms, see Property documentation and List of properties/Row

References / Einzelnachweise / Références[edit]

Properties to be used in the reference part of the statement.

ACM category[edit]

   In progress
Description The 2012 ACM Computing Classification System reflect the state of the art of the computing discipline.
Represents ACM Computing Classification System (Q288530)
Data type String
Template parameter ACM category
Domain any
Example vulnerability (Q631425) -> 10002997 , malware (Q14001) -> 10002997
Format and edit filter validation The URL can be validated with a pattern
Source RDF/XML and HTML version
Formatter URL$1&lid=f
Robot and gadget jobs A gadget ACM2Wikipedia will propose the ACM's categories with their label in function of text in the page Wikipedia. The user can select one label and save this url in Wikidata.

The 2012 ACM Computing Classification System can be utilized in semantic web applications. It relies on a semantic vocabulary as the single source of categories and concepts that reflect the state of the art of the computing discipline. This classification system plays a key role in the classification of publications in the computer science. This property will help to link the concepts of Wikidata (and so, also wikipedia) to scientists' publications. Open Science is near... Karima Rafes (talk) 22:31, 6 July 2015 (UTC)

@Karima Rafes: Please provide an example that relates to a stated, existing Wikidata item, as done for other property proposals. Andy Mabbett (Pigsonthewing); Talk to Andy; Andy's edits 09:04, 17 July 2015 (UTC)
@Pigsonthewing: I inserted examples. It's ok ? -- 11:47, 17 July 2015 (UTC)
Thank you. It seems that the ID is, for instance "10002997" and the formatter URL is "$1&lid=f". Is that pattern consistent? (i.e. can we always replace "$1" with an ID and get a vaid URL?) Andy Mabbett (Pigsonthewing); Talk to Andy; Andy's edits 12:56, 17 July 2015 (UTC)
@Pigsonthewing: It seems, we can always replace "$1" with an ID and get a vaid URL. The two solutions are good for me. I'm prefer URL because the user of wikidata can see directly the page of ACM about this ID but it's true, the URL is not very nice... We replace the type URL by a integer ? --Karima Rafes (talk) 08:34, 31 July 2015 (UTC)
@Karima Rafes: Not quite; we actually use "string" datatypes for such things. I've made the necessary changes, above, but I see that both of your examples use the same value. Please check. Thank you. Andy Mabbett (Pigsonthewing); Talk to Andy; Andy's edits 08:57, 31 July 2015 (UTC)
@Pigsonthewing: Great ! Now, we wait the validation ? --Karima Rafes (talk) 09:03, 31 July 2015 (UTC)
@Karima Rafes: No, we need to resolve "both of your examples use the same value". Is that correct?
@Pigsonthewing: Yes this is correct. For the same ID, there will be hundreds of entities. Here vulnerability (Q631425) malware (Q14001) will have the same id 10002997 --Karima Rafes (talk) 16:04, 31 July 2015 (UTC)