幫助:屬性

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This page is a work in progress, not an article or policy, and may be incomplete and/or unreliable.
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example of a simple statement consisting of one property-value pair

A property describes the data value of a statement and can be thought of as a category of data, for example "color" for the data value "blue". Properties, when paired with values, form a statement in Wikidata. Properties are also used in qualifiers.

属性在Wikidata上有自己的页面,并与项目连接,从而形成链接的数据结构。

瞭解屬性

P106 for English, French, and Polish
Label Description Alias
occupation occupation of a person profession; job; work; career
profession métier ou occupation d'une personne métier; occupation
zawód zawód osoby, zobacz także "dziedzina" (none yet added)

However, properties do not have a section on their pages for sitelinks to other wikimedia projects, and they also do not have external identifiers. Each property does have what is known as a data type which defines the kind of values allowed in statements with that property.

与项目一样,属性也具有唯一的标识符。 虽然项目以Q前缀开头并在Wikidata的主命名空间中找到,但是属性具有P前缀并存储在属性命名空间中。

尋找屬性

Properties can be suggested at respective classes using properties for this type (P1963). E.g. organization (Q43229) will list all properties relevant to any organization.

See Statistics for additional summaries of existing properties.

Search

Several external tools exist to list properties, for instance:

Lists

創建屬性

在提议属性时,请记住,每个属性至少应使用100个项目; 如果提议的属性无法多次使用,则可能不应将其添加到Wikidata中(当然,此规则也有例外)。

To propose a property, click here and choose a topic category. Click the blue button "Create request page" and then fill out the provided template with as much information as possible. Make sure to include a possible property name in English (this will be the label), a description, the data type, examples of the type of item that may bear the property, and an example of how the property would be used. Don't worry about getting everything right the first time; that's what the discussion process is for.

If you are interested in being involved at the property proposal level for a specific subject matter, consider joining or creating a WikiProject, a group of contributors who want to work together to improve a particular aspect of Wikidata. These groups often focus on how to best represent the data for a particular area of knowledge.

To request to be a property creator, visit Wikidata:Requests for permissions.

編輯屬性

Property entities can be edited like item entities with labels, descriptions, aliases, and statements.

Property labels should be as unambiguous as possible so that it is clear to a user which property is the correct one to use when editing items and adding statements. Properties rarely refer to commonly known concepts but they are more constructs of the Wikidata with specific meanings. Unlike items, property labels must be unique.

Property descriptions are less relevant for disambiguation but they should provide enough information about the scope and context of the property so that users understand appropriate usage of the property without having to consult additional help.

Property aliases should include all alternative ways of referring to the property.

Example:

property: P161
label: cast member
description: actor performing live for a camera or audience
aliases: film starring; actor; actress; starring

Label, description, and aliases of a property are first discussed by the community during the property proposal process. Major changes to a property should be discussed on its talk page first.

See Help:Data_type#Changing_datatype for changing the datatype of a property.

刪除屬性

使用屬性

Wikidata relies on consistency. For instance, all persons should have common properties whenever possible, whether they are politicians, artists or scientists, living or historical, fictional or not. If you are unsure whether the property you are using is most appropriate for the statement, consult the property's discussion page or ask on Wikidata:Project chat. An automatically generated list of properties currently supported by Wikidata can be found at here. Community-maintained lists can also be found at Wikidata:List of properties.

Property constraints

See Help:Property constraints portal.

Bidirectional relationships and hierarchies

Wikidata does not support automatic bidirectional links (phabricator:T51165), so some properties need to be added and maintained twice. If, for example, A is a child of B on A's item page, the relation B as the parent of A also needs to be maintained on B's item page.

In general, only simple hierarchical properties should be recorded as statements. For example, record properties like child (P40)father (P22) and/or mother (P25), but not properties like grandchild–grandparent, niece–aunt, niece–uncle, etc. Such additional relationships can be derived from the existing data.

常見問題

Please see Help:Frequently used properties for guidelines and examples of using properties related to scientific taxonomies, administrative divisions, sources, Wikimedia Commons files, and more.

參見

For related Help pages, see:

  • Help:Statements, which explains what statements are and what rules they follow
  • Help:Qualifiers, which explains what qualifiers are and what rules they follow
  • Help:Items, which explains what items are and what rules they follow

For additional information and guidance, see: