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| {{hatnote|For more detailed guidelines on creating and organizing categories, see [[Wikipedia:Help:Category]]. More technical information can be found at [[Wikipedia:Wikipedia:Categorization|Wikipedia:Categorization]].}} | | {{hatnote|For more detailed guidelines on creating and organizing categories, see [[Wikipedia:Help:Category]]. More technical information can be found at [[Wikipedia:Wikipedia:Categorization|Wikipedia:Categorization]].}} |
| | | {{cleanup|Note to self: review the page and include it into the greater UniWiki navigational template [[User:Arin Mara|Arin Mara]] ([[User talk:Arin Mara|talk]]) 16:34, 10 May 2022 (UTC)}} |
| Categories allow articles to be placed in one or more groups, and allow those groups to be further categorized. When an article belongs to a category, it will contain a special link to a page that describes the category. Similarly, when a sub-category belongs to a parent category, it will contain a special link to the parent category's page. | | Categories allow articles to be placed in one or more groups, and allow those groups to be further categorized. When an article belongs to a category, it will contain a special link to a page that describes the category. Similarly, when a sub-category belongs to a parent category, it will contain a special link to the parent category's page. |
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| == Naming convention for Categories== | | == Naming convention for Categories== |
| :''See also: [[Wikipedia:Wikipedia:Naming conventions (categories)|Wikipedia:Naming conventions (categories)]]'' | | :''See also: [[Wikipedia:Wikipedia:Naming conventions (categories)|Wikipedia:Naming conventions (categories)]]'' |
| Use the UniWiki titling conventions of no unnecessary capital letters or abbreviations, i.e. use <nowiki>[[Category:Category examples]]</nowiki> instead of <nowiki>[[Category:Category E.g.]]</nowiki>. | | Use the UniWiki titling conventions of no unnecessary capital letters or abbreviations, i.e. use <nowiki>[[Category:Category examples]]</nowiki> instead of <nowiki>[[Category:Category Examples]]</nowiki>. |
| Avoid ambiguities. | | Avoid ambiguities. |
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| ===Lists=== | | ===Lists=== |
| If the category collects articles, then avoid the word ''List'' in the name of the category, and use plurals, e.g. [[:Category:Popes]]. | | If the category collects articles, then avoid the word ''List'' in the name of the category, and use plurals, e.g. [[Wikipedia:Category:Popes|Category:Popes]]. |
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| However, if the category collects ''lists'', then using the word ''Lists'' in the name of the category is appropriate, e.g. [[:Category:Lists of radio stations]]. | | However, if the category collects ''lists'', then using the word ''Lists'' in the name of the category is appropriate, e.g. [[Wikipedia:Category:Lists of radio stations|Category:Lists of radio stations]]. |
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| ===Topics=== | | ===Topics=== |
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| ==Editing articles== | | ==Editing articles== |
| :''See also: [https://meta.wikimedia.org/wiki/Help:Category MediaWiki User's Guide: Using Categories]''. | | :''See also: [https://www.mediawiki.org/wiki/Help:Categories MediaWiki User's Guide: Using Categories]''. |
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| ===Adding an article to a category=== | | ===Adding an article to a category=== |
| To add an article to a category, edit the article and add [[Category:''Surname''<nowiki>]]</nowiki> at the bottom of the article. | | To add an article to a category, edit the article and add [[Category:''Surname''<nowiki>]]</nowiki> at the bottom of the article. |
| :For example: [[Category:Mind-body interventions<nowiki>]]</nowiki>. | | :For example: [[Category:Mind-body interventions<nowiki>]]</nowiki>. |
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| | See also [[UniWiki:Editing_Guide]] under Proper categorization. |
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| ===Linking to a category without categorizing=== | | ===Linking to a category without categorizing=== |
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| A prominent link to the most important article in the category is usually a good idea, but please avoid copying large quantities of text or images from an article to a category page. If a category and a page have a one-to-one correspondence, then the template {{tl|main}} or similar is often the best solution. Introductions should be short and only navigation templates that facilitate moving between categories or category pages can be included. | | A prominent link to the most important article in the category is usually a good idea, but please avoid copying large quantities of text or images from an article to a category page. If a category and a page have a one-to-one correspondence, then the template {{tl|main}} or similar is often the best solution. Introductions should be short and only navigation templates that facilitate moving between categories or category pages can be included. |
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| ===Categories which have a main article===
| | {{UniWikiNav}} |
| ''Take [[Wikipedia:John Lennon|John Lennon]] and [[Wikipedia:Category:John Lennon|Category:John Lennon]] or [[Wikipedia:The KLF|The KLF]] and [[Wikipedia:Category:The KLF|Category:The KLF]]. Should all category memberships which relate to Lennon or the KLF (but not to, for example, the state of the article) be added to [[Wikipedia:Category:John Lennon|Category:John Lennon]]/[[Wikipedia:Category:The KLF|The KLF]] and removed from the article? That would seem to follow from literal interpretation of the "no categorizing into a subcategory and category at once" rule, but it forces readers to click an extra time and hides relationships from them.''
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| The article should be left in those categories it would belong to if it had no category of its own; see [[Wikipedia:Categorization and subcategories#Topic article rule]] as well as [[Wikipedia:Categorization#Some general guidelines]].
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| ===How do I delete a category?===
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| If you feel a category falls within [[Wikipedia:Category deletion policy]], bring it up on [[Wikipedia:Categories for discussion]].
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| ==State of the Category feature==
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| The category feature appeared in the [[MediaWiki]] software v1.3, which was implemented on Wikipedia in late May 2004.
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| Initially categories were displayed at the top right of articles, but they were soon moved to the bottom due to layout conflicts. (Not every skin has them at the bottom; e.g. Cologne Blue has them at top right.)
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| ===Known issues===
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| [https://phabricator.wikimedia.org/maniphest/?query_format=advanced&product=MediaWiki&component=Categories Reported categorisation bugs] can be seen at [https://phabricator.wikimedia.org/ Phabricator]. ''See also'': [[Wikipedia:Categorization#Known category-related bugs]].
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| *Category pages still show old sub-categories and articles after edits [http://sourceforge.net/tracker/index.php?func=detail&aid=970584&group_id=34373&atid=411192] [http://sourceforge.net/tracker/index.php?func=detail&aid=975072&group_id=34373&atid=411192].
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| :''Work-around'': You need to make a dummy edit to the category page to fix this, e.g., add a space at the end of a line. Explain this in the edit summary (e.g. "Dummy edit to refresh"), and flag the edit as minor if you have a Wikipedia user account.
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| *Categories can be sub-categories of themselves [http://sourceforge.net/tracker/index.php?func=detail&aid=970259&group_id=34373&atid=411192].
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| :''Work-around'': Don't do it.
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| *Categories cannot be redirected [https://phabricator.wikimedia.org/T2100].
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| :''Work-around'': Don't do it, place a link on the page instead if it already exists.
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| *Layout issues:
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| **Category and interwiki tags produce ugly whitespace [https://phabricator.wikimedia.org/T2087]
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| **Category pages show a pre-formatted box from spaces within category lines [https://phabricator.wikimedia.org/T2833]
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| ::''Work-around'': Edit category pages so that there is only one category tag per line.
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| ===How do I report bugs?===
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| Bugs should be reported to the Wikimedia [https://phabricator.wikimedia.org/ Phabricator] website. (See [[Wikipedia:Bug reports and feature requests]] for instructions.)
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| ===How do I request feature enhancements?===
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| Enhancements can be requested at the [https://phabricator.wikimedia.org/ Phabricator] website. (See also [[mw:MediaWiki roadmap]].)
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| ==What is the state of categorization?==
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| When trying to categorize an article, it may be difficult to tell into which categories it should be placed. Sometimes when trying to categorize by a field of interest, one intersects with someone else's efforts from another field.
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| Category policies are still being refined by experimentation, discussion, and polls. Categorizations and systems are likely to be discussed and improved upon for a very long time. To be part of the discussion see [[Wikipedia talk:Categorization]].
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| ===Related topics===
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| To allow related articles to be grouped together, and those groupings placed into a hierarchy. For example, both [[Gwalior]] and [[History of Gwalior]] could be in the [[:Category : Gwalior]].
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| There are some natural hierarchies of topics, e.g., placing [[:Category:History of India]] under [[:Category:Asia]] and [[:Category:History]].
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| Topic categories are unlikely to be subcategories of list categories.
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| Currently the software does not allow you to look at [[:Category:People]] and retrieve a list of all articles in sub-categories.
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| ==Why might a category list not be up to date?==
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| Sometimes, pages are not placed in categories manually by Wikipedia editors, but by means of [[WP:Template|template]]s, which can be used to place identical information (including category membership information) on many different pages at once. When the information on such a template is edited, the pages containing that template are updated, but not necessarily updated immediately. This means that pages might not always appear in the most current categories. However, this problem usually affects project maintenance categories rather than the categories used for browsing.
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| Various other temporary delays may sometimes mean that lists of category members or subcategories, or the page counts given, are not completely up to date. So if you are editing Wikipedia and find that your page hasn't yet shown up in a category or been removed from an old category, don't panic! The problem may resolve itself within minutes, but sometimes it may take longer, in some cases days, even weeks. (It may help if you make a [[Help:null edit|null edit]] to the page.)
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| == Tools ==
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| There are some tools which help in maintaining and analysing categories. These include:
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| * [http://tools.wmflabs.org/render-tests/catcycle-dev/catcycle.py CatCycle], to trace cycles in the category structure, or find the relationship between two categories
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| * [http://tools.wmflabs.org/catscan2/catscan2.php CatScan v3.0], a flexible tool to scan categories, selecting pages on many categories
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| <noinclude>
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| {{Wikipedia:FAQ/footer}} | |
| </div>
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| </noinclude>
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| [[Category:Wikipedia FAQ|Categorization]]
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| [[Category:Wikipedia categorization|FAQ]]
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