Help:서술

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This page is a translated version of the page Help:Statements and the translation is 2% complete.

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서술을 이용해 여러분은 속성이 있는 항목들을 다른 항목이나 위키미디어 공용의 내용과 연결함으로써 현실세계의 우리의 지식에 대한 주장을 담을 수 있습니다. 이 말은 복잡하게 들리지만, 실제로는 그리 어렵지 않습니다. 여기 예시가 있습니다. 우선 “자녀”라는 속성을 만듭니다. 그 다음 마리 퀴리에 대한 항목에 이 속성을 이용하여 서술을 더합니다. 이는 퀴리 부인이 이렌 졸리오퀴리이브 퀴리의 어머니임을 보여줄 것입니다. 다음으로 여러분은 “초상화” (이미지)라는 또 다른 속성을 만드실 수 있습니다. 이 속성을 이용해서 여러분은 위키미디어 공용에 있는 마리 퀴리의 초상화로 연결되는 또 다른 서술을 마리 퀴리에 대한 항목에 추가할 수 있습니다. 여러분은 이 모든 서술에 출처를 달음으로써 서술을 뒷받침할 수 있습니다. 이 예시 사례의 결과는 옆의 스크린샷에서 보실 수 있습니다.

Language item property Value
영어 Marie Curie occupation physicist
독일어 Marie Curie Tätigkeit Physiker
프랑스어 Marie Curie occupation physicien
폴란드어 Maria Skłodowska-Curie zajęcie fizyk
한국어 마리 퀴리 직업 물리학자
  Q7186 P106 Q169470

Example:

In order to include information about the occupation of Marie Curie in Wikidata, you would need to add a statement to the item for Marie Curie, Marie Curie (Q7186). Using the property, occupation (P106), you could then add the value physicist (Q169470). You could also add the value chemist (Q593644). Note how both chemist and physicist have their own pages in Wikidata, thereby allowing Marie Curie to be linked to these items.

Language independent general principles

Overview of a Wikidata statement
example of a simple statement consisting of one property-value pair
example of a statement consisting of multiple values for one property
example of a strong Wikidata statement consisting of one property-value pair, qualifiers, and a reference

A statement consists of a property-value pair, for example, "location: Germany."

The property in a statement describes the data value, and can be thought of as a category of data like "color", "population," or "Commons media" (files hosted on Wikimedia Commons). The value in the statement is the actual piece of data that describes the item.

Statements can also be expanded upon, annotated, or contextualized with the addition of optional qualifiers, references, and ranks.

Properties

Each property in Wikidata is assigned a pre-defined data type which restricts what can be added as its value. For example, only other items can be added as a value for the property "color", only numbers can be added for the property "population," and only multimedia files viewable on Wikimedia Commons can be added for the property "Commons media."

For more information on how to use properties, please see Wikidata:Properties.

Values

Multiple values

If an item by nature can have properties with multiple values (like children of a person or official languages of a country), it is perfectly acceptable to add them.

If on the other hand an item ideally should have only one value (like the population of a city) but has multiple values (for example, because different sources report different numbers), all values may be added and additional qualifiers should be used. Qualifiers are used to further describe or refine the value of a property given in a statement. Please see Help:Qualifiers for more information.

Unknown or no values

There are times when an item has either no value or an unknown value for a given property. Depending on the property, these data values still provide important information about an item and should still be recorded in Wikidata. For example, we could say that Elizabeth I of England (Q7207) had no value for the child (P40) property, which is quite different than not recording anything at all. We could also say that William Shakespeare (Q692) has an unknown value for the date of birth (P569) property.

The majority of values in Wikidata will be custom values, and are entered in the usual fashion. Unknown values and no values are added to statements by clicking on the icon beside the value field that looks like this Wikidata snak icon.png.

Quantitative values

When adding quantitative values the following constraints should be noted. The largest positive integer number that Wikidata allows is 9e124+-0 and the largest negative number -9e124+-0. For floats one additional decimal place is supported 9,9e124+-0, but 9,91e124+-0 is not possible. The smallest positive and negative numbers are 1e-124+-0 and -1e-124+-0. For floats the exponent can only be 123 making this the smallest positive and negative floats: 1.0e-123+-0 and -1.0e-123+-0 (Note that the zero will be preserved as an indicator of the precision of the value. Compare this to entering 1e-123+-0).

Add only verifiable information

Wikidata is not a database that stores facts about the world, but a secondary knowledge base that collects and links to references to such knowledge. This means that Wikidata does not state what the population of Germany actually is; it simply provides the information on what the population of Germany is according to a specific source, such as the The World Factbook (Q11191) CIA World Factbook.

As such, most statements should be verifiable by referenceable sources of information like a book, scientific publication, or newspaper article. In Wikidata, references are used to point to specific sources that back up the data provided in a statement. For more information, please see Help:Sources.

Plurality and consensus

Because statements essentially point to referenceable sources of information and different sources may provide contradicting information, it's possible to represent a plurality of perspectives on Wikidata.

In case of disputes, community consensus determines the value of a property, however other points of views can be added as additional values as long as they include a source and appropriate qualifiers. Ranks can also be used; if a consensus exists, it should be indicated by a preferred rank. For more information on ranks, please see Help:Ranking.

Please note that disputes should be discussed on the item's discussion page. Edit warring over values is not acceptable.

Disambiguation and other non-item Wikimedia pages

When a Wikidata item refers to a Wikimedia page itself rather than to the subject of the Wikimedia page, the instance of (P31) property should be used to identify the type of page. This includes Category, Template and other pages outside the main namespace.

All disambiguation page items should have the statement 'instance of (P31) Wikimedia disambiguation page (Q4167410)'.

Examples:

item: Madonna (Q1564372)
instance of: Wikimedia disambiguation page (Q4167410)
item: list of lighthouses in Iceland (Q3253135)
instance of: Wikimedia list article (Q13406463)

Where a Wikipedia page covers more than one concept, object or thing use 'has part (P527)' to link to separate Wikidata pages for each of the individual concepts, objects or things.

Exclusion criteria

Wikidata statements should be sourced and contain trustworthy neutral references.

The following types of information should not be added as Wikidata statements:

Adding statements

Statements are added to an item page—in this case, for Marcel Bouix (Q16775650)—in the following way:

Scroll down to the Statements section
Click on "add" at the very bottom of all other statements
In the new property field that appears, start typing the property
Select the property from the options that appear in the entity suggester
In the new field that appears to the right of the property, start typing the value. When done click "save"
The final statement will appear like this. To change or delete it, click "edit"

To add qualifiers, sources, or ranks, please see the appropriate help documentation listed at the bottom of the page.

See also

For related Help pages, see:

  • Help:Properties, which explains what properties are and what rules they follow
  • Help:Sources, which explains what sources are and what rules they follow
  • Help:Qualifiers, which explains what qualifiers are and what rules they follow
  • Help:Ranking, which explains what ranks are and what rules they follow

For additional information and guidance, see:

  • Project chat, for discussing all and any aspects of Wikidata
  • Wikidata:Glossary, the glossary of terms used in this and other Help pages
  • Help:FAQ, frequently asked questions asked and answered by the Wikidata community
  • Help:Contents, the Help portal featuring all the documentation available for Wikidata