23 Mar

Commons:Categories

‎For more appropriate categorization: Since we're on the topic of using more specific categories, the mutual subcategory Category:Rescue helicopters would be more appropriate
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Revision as of 13:30, 23 March 2013
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Generally files should only be in the most specific category that exists for certain topic. For example files in [[:Category:Looking up the center of the Eiffel Tower]] should not also be in [[:Category:Paris]] ''(see [[#Over-categorization|over-categorization]] below)''. If you do not find a category that fits your purpose, you can create it — but carefully read the section about [[#How to use categories|using categories]] first.

Generally files should only be in the most specific category that exists for certain topic. For example files in [[:Category:Looking up the center of the Eiffel Tower]] should not also be in [[:Category:Paris]] ''(see [[#Over-categorization|over-categorization]] below)''. If you do not find a category that fits your purpose, you can create it — but carefully read the section about [[#How to use categories|using categories]] first.

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This does not mean that an image only belongs in one category; it just means that images should not be in ''redundant'' or non-specific categories. For instance, an image of a Polar Bear being rescued from an iceberg by a helicopter should be in [[:Category:Ursus maritimus]], [[:Category:Icebergs]], [[:Category:Helicopters]], and [[:Category:Search and rescue]]. It should not, however, be in [[:Category:Ursidae]] or [[:Category:Aircraft]].
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This does not mean that an image only belongs in one category; it just means that images should not be in ''redundant'' or non-specific categories. For instance, an image of a Polar Bear being rescued from an iceberg by a helicopter should be in [[:Category:Ursus maritimus]], [[:Category:Icebergs]] and [[:Category:Rescue helicopters]]. It should not, however, be in [[:Category:Ursidae]] or [[:Category:Aircraft]].

=== Categorization tips ===

=== Categorization tips ===

http://commons.wikimedia.org/w/index.php?title=Commons:Categories&diff=93137982&oldid=93137735