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Help:Извори

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The majority of statements on Wikidata should be verifiable: they should be supported by a source of information such as 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.

References, like statements, also consist of at least one property-value pair (for a reference, the value is the source). Typically the property used for sources is one of two options: stated in (P248) (referring to publications and media) and reference URL (P854) (used for websites and online databases).

This guideline explains when it is necessary to add a source to a statement in Wikidata. It also explains the steps to be followed in order to add a source.

Ова е пополнувач за страница за изворите на исказите во Википодатоците, кои извори да се користат, како треба да се форматираат и тн.

When to source a statement

Википодатоците претставуваат збирка на податоци од меродавни извори, што значи дека истите мора да се наведуваат.

Wikidata includes three main types of statements: facts about the subject of the item, mappings of external identifiers and media links to Wikimedia Commons. The following applies primarily to the first type.

In some cases sources are not required:

  1. When a value is common knowledge, and it has not been disputed. For example, it is common knowledge that Earth (Q2) is an instance of (P31) a terrestrial planet (Q128207)
  2. When the item has a statement that refers to an external source of information (such as a database or authority control file) which allows easy verification of the statement. For example, a statement about Harry Potter and the Philosopher's Stone (Q43361)'s GND ID (P227) (an authority file maintained by the German National Library) does not need a source (the value, 4615979-4, is a direct link to the appropriate page on the German National Library's website)
  3. When the item itself is a source for a statement. For example, for The Hunger Games (Q11679) book series, it's possible to say that the author (P50) is Suzanne Collins (Q228624) without needing to then include The Hunger Games (Q11679) as a reference for this statement.

For more information, see Help:Sources/Items not needing sources.

Adding a source to a statement

example of a sourced statement

There are four basic steps to follow when adding a source regardless of the type of source being added.

  1. Check if an item for the source already exists in Wikidata using the Item by title search
  2. Add the source as an item if: i) it's not in Wikidata already and ii) it is not a webpage
  3. Add a reference to your statement and point to the source item. For source items in Wikidata, use the property stated in (P248); for sources that exist online outside of Wikidata, use reference URL (P854)
  4. Add the source and all necessary qualifiers

More information on searching for and creating items can be found at Help:Items.

Different types of sources

References should point to reliable sources of information such as university-level textbooks or reference books, academic journals, and newspapers. For more information on identifying reliable sources, please see Wikidata:Verifiability.

One could differentiate between online or offline references. Both can be added to Wikidata. An internet accessible database can be an online reference. Offline references are books and other works found in libraries and archives.

References can be categorized into primary, secondary, and tertiary references. All categories can be added to Wikidata. A secondary reference being one that analyzes primary references, a compilation of secondary references is a tertiary reference. Encyclopædiæ and library catalogues are generally tertiary references. Wikidata could be seen as a tertiary (or quaternary) reference, but one can't add it to Wikidata itself.

References can be contemporary ones or historic ones. Wikidata includes both. Consider appropriate ranks for information that is no longer current.

Please note that while pages on Wikipedia (and other Wikimedia sites) can and should be added as sitelinks, they are not appropriate as sources for Wikidata statements. As per the Wikipedia policy on verifiability, the content of articles in Wikipedia must be verifiable; it should be supported by sources also (in the form of citations). However, just because something is stated on a Wikipedia page, does not mean that it is acceptable to consider the Wikipedia page itself as a source; it's much better to locate the actual citation and use that instead.

Tools that import data from Wikimedia projects generally add imported from Wikimedia project (P143) (and sometimes also Wikimedia import URL (P4656)) in the reference part of statements. Statements that are only supported by "imported from Wikimedia project (P143)" are not considered sourced statements. If you encounter one of these statements, please replace "imported from Wikimedia project" with an actual reference.

This list is not complete, and types of sources in addition to the ones found on this page may be reliable; if you would like to add a new section with instructions on how to add such sources, please do so.

Википодатоците засега немаат јасни правила за изворите на податоци, главно бидејќи сè уште ги немаме сите потребни елементи за наведување. Но, Википодатоците секако се водат начелата на Википедија, па така сите податоци мора да имаат наведени извори, и затоа во иднина не е исклучено бришењето на непоткрепените податоци.

In Wikidata, books are treated according to the Functional Requirements for Bibliographic Records (Q16388) (FRBR) model, a commonly used conceptual framework in library science.

Without going into too much detail, the FRBR model allows us to make a distinction between creative works, and their different editions or translations; in Wikidata, these are known as work items and edition items respectively. For example, we can say that Hamlet (Q41567) and Bible (Q1845) are work items, while Hamlet, Prince of Denmark (Q14422206) and the King James Version (Q623398) are edition items.

When sourcing statements, you should only ever use the edition item of a book. In some cases, it will be necessary to first add the work item to Wikidata in order to create an edition item. You can do so by following the steps below:

  1. Check if the work item already exists in Wikidata. If an item is found, proceed to step 4. If the item is not found, create a new one for it and go to step 2.

Add at least the following statements to the work item:

Add any additional properties to the work item that may seem necessary, for example:

  1. Check if the edition item of your work item exists in Wikidata. If an item is found, proceed to step 8. If the item is not found, create a new item for the edition and go to step 5. Make sure to label the edition item in a way that can be differentiated from the work item

Label the new edition item in a way that can be differentiated from the work item by adding the edition number with the title

Add at least the following statements to the edition item:

Add any additional properties to the edition item that may seem necessary, for example:

  1. Return to the work item and, if DeltaBot didn't do it already, add has edition or translation (P747).
  2. Return to the item page you were adding a reference to source your statement with stated in (P248) and link it to the edition item
  3. Add any additional properties to the reference section which can help when verifying the value of the statement:

Example:

Work item: CRC Handbook of Chemistry and Physics (Q904273), edition item: CRC Handbook of Chemistry and Physics (92nd edition) (Q11927173)
Used to source statement: CAS Registry Number (P231) of ethanol (Q153)
Reference: stated in (P248) — CRC Handbook of Chemistry and Physics (92nd edition) (Q11927173)

Избегнувајте да увезувате податоци од Википедија без никакви наводи. Ако статиите на Википедија содржат податоци со наведени надворешни извори, увезувајте ги тука заедно со податоците.

Publication articles require that both the publication and the article be added as items to Wikidata (if they haven't already been). One can use SourceMD.

  1. Check if the publication item already exists in Wikidata. If an item is found, proceed to step 3. If the item is not found, create a new one for it and go to step 2.

Ensure that at least the following statements are added to the publication item:

  1. Check if the article item exists in Wikidata. If an item is found, proceed to step 5. If the item is not found, create a new item for the article and go to step 4.

Ensure that at least the following statements are added to the article item:

  1. You may use the Source MetaData tool to assist creation if you know the DOI of the article.
  2. Return to the item page you were adding a reference to source your statement with stated in (P248) and link it to the article item.
  3. If needed, return to the publication item and add additional properties:

If needed, return to the article item and add additional properties:

Example:

Journal item: Geological Society, London, Special Publications (Q15817216), article item: The age of the Earth in the twentieth century: a problem (mostly) solved (Q15545344)
Used to source statement: inception (P571) of Earth (Q2)
Reference: stated in (P248) — The age of the Earth in the twentieth century: a problem (mostly) solved (Q15545344)

Како додаваме извор?

  1. Check if the document item exists in Wikidata. If an item is found, proceed to the step 3. If the item is not found, create a new item for the edition and go to step 2.

Ensure that at least the following statements are added to the document item:

  1. Return to the item page you were adding a reference to source your statement with stated in (P248) and link it to the document item.

If needed, return to the document item and add additional properties:

Example:

Legislation item: Civil Marriage Act (Q3258612)
Used to source statement: start time (P580) of Same-sex marriage in Canada (Q17447)
Reference: stated in (P248) — Civil Marriage Act (Q3258612)

Зависно од видот на изворот, потребно е да се зададе минимален број на параметри за јасно укажување на изворникот. Овие параметри треба да се стават заедно со вредноста во соодветниот исказ: изворот за поднасловот достапен за секој исказ може да се пополни со разни параметри што ги опишуваат наводите.

If there is a Wikidata property for a website, follow #Databases below.

  1. Check if an item exists in Wikidata for the website containing the web page. If an item is found, source your statement with stated in (P248) and link it to the website item. If an item is not found but the website is notable, create one for it. If the website is not notable, use title of broader work (P6333) instead.
  2. Source your statement with reference URL (P854) and link it to the URL of the webpage

Add the following qualifiers to your reference so the source can be tracked down if the URL changes:

If needed, add additional qualifiers:

Examples:

Web page item: United States Population Clock (Q3398022)
Used to source statement: population (P1082) of United States of America (Q30)
Reference: stated in (P248) — United States Population Clock (Q3398022)
Non-web page item
Used to source statement: date of birth (P569) of Giambattista Bodoni (Q220768)
Reference: reference URL (P854) — http://www.treccani.it/enciclopedia/giambattista-bodoni_%28Dizionario-Biografico%29/

Доверлива база на податоци

Ако базата на податоци е на интернет, погл. „Мрежна страница“ погоре.

  1. Проверете дали базата е прифатена како извор од страна на заедницата на Википодатоци и има одобрено својство за наведување на нејзините содржини.
  2. Во изворот задајте stated in (P248) за името на базата. Додајте го својството за назнака на базата ако се повикувате на даден регистар од базата и point in time (P585) за да го потврдите датумот на кој сте ја консултирале базата.

Please note: this approach only applies to databases that already have a corresponding property defined in Wikidata. The property is often an identifier unique to the database such as the PubMed publication ID (P698) for PubMed or the IMDb ID (P345) for the Internet Movie Database. Consult the list of properties for authority control IDs to determine whether the database property has been added to Wikidata. You can also use the advanced options of Special:Search to search for the database and/or its identifiers in the Property namespace. If no such property exists for the database, treat the database as a webpage (see above).

  1. Search for the database item in Wikidata. If an item is found, proceed to the next step. If the item is not found, create a new one for it.
  2. Ensure that at least the following statement is added to the database item:
  3. Return to the item page you were adding a reference to source your statement with stated in (P248) and link it to the database item. The applicable value can be found through applicable 'stated in' value (P9073).

Add the following qualifiers to your reference in order to indicate the specific register of the database.

    • database property → database property ID (the unique identifier for the data as per the database)
    • title (P1476) → the title of the dataset in the database. This may not be needed if the database property is in the external link section of the item the statement is used on.
    • publication date (P577) → the publication date for the data. If no publication date is provided use retrieved (P813), the date when the data was taken from the database. This may not be needed if the date is already otherwise included in the statement being referenced.

Example:

Database item: PubChem (Q278487), database property: PubChem CID (P662)
Used to source statement: InChI (P234) of ethanol (Q153)
Reference: stated in (P248) — PubChem (Q278487)

Медиуми (ТВ/радио/виео)

  1. Ако е релевантно, создајте предмет за програмата и серијата во која се јавува информацијата
  2. Дајте извор на исказот со stated in (P248)
  3. Ако е потребно, довршете го со publication date (P577), author (P50), part of the series (P179), episode (to be created), P387 (P387).
  1. Check if the media item exists in Wikidata. If an item is found, proceed to the next step. If the item is not found, create a new one for it.
  2. Source your statement with stated in (P248) and link it to the media item
  3. If needed, return to the media item and add additional properties:

Example:

Documentary item: Man on Wire (Q1417721)
Used to source statement: occupation (P106) of Philippe Petit (Q705289)
Reference: stated in (P248) — Man on Wire (Q1417721)

Headstones at Commons

Add the following:

Example:

Headstone image: File:Beatrice_Dowsky.jpg
Used to source statement: date of birth (P569) of Beatrice von Dovsky (Q88821)
Reference: type of reference (P3865) — tombstone (Q203443) and reference image (P10253) — File:Beatrice_Dowsky.jpg

Wikisource source text

Add the following two:

  1. As for books above, add stated in (P248) pointing to the Wikidata item of the edition with sitelinks to Wikisource + page(s) (P304) to indicate the page of the book (for bibliographic templates)
  2. As for websites above, add reference URL (P854) pointing to the subpage supporting the statement

Archive collections, especially vital records

Examples

Поврзано

For related Help pages, see:

For additional information and guidance see:

  • Project chat — место каде се дискутираат разни аспекти на Википодатоци
  • Wikidata:Glossary — поимник терминологијата што се користи тука и на другите страници за помош
  • Help:FAQ — често поставувани прашања и одговори на нив од заедницата на Викимедија
  • Help:Contents — порталот за помош со сета расположлива документација за Википодатоци
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