User:DexDor/Finding miscategorizations
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![]() | This is an essay on Wikipedia categorization. It contains the advice or opinions of one or more Wikipedia contributors. This page is not an encyclopedia article, nor is it one of Wikipedia's policies or guidelines, as it has not been thoroughly vetted by the community. Some essays represent widespread norms; others only represent minority viewpoints. |
This page contains links to a category intersection tool (Petscan) to check whether there are pages at some combinations of namespace and high level categories. For a table showing which combinations of namespace and category are valid see User:DexDor/NSCat. For more information about how pages become miscategorized and how to fix them see User:DexDor/FHL.
The table shown below (in which the rows roughly correspond to the columns of the NSCat table) includes links to a category intersection tool that can identify any pages at certain combinations of namespace and category.
Category/ies[a] | Namespace(s)[b] | Query | Notes |
---|---|---|---|
CA | User | PetScan | This tends to find a lot of sandbox subpages that have been (prematurely) placed in article categories. It also finds user pages that are violations of WP:USERNOCAT (example fix) and user books that are categorized as community books. If the query could be restricted to only find non-subpages or to only find pages that have not been edited for a period (e.g. a week) it would be easier to identify pages that are priority to fix. |
Talk (most) Wikipedia Help etc (not Template) |
PetScan | Just a few (e.g. Wikipedia:WikiProject Spoken Wikipedia) as of August 2016. It's generally best to work on a subcategory of Category:Articles - e.g. Science, People. | |
Template | Petscan | This query looks at a particular content (articles) category and excludes stub templates (Stub templates are in stub categories which are in article categories). | |
CA+CD | Mainspace User Wikipedia File MediaWiki Template Help Category Portal Book ... Talk |
PetScan | As of August 2016 depth=4 has 326 pages (mostly in mainspace). |
CB | User Almost every namespace (apart from Book, Category and Module Talk) |
PetScan | As of September 2016 at depth=5 this has 16 pages in User namespace. |
CD | Talk File Template ... |
PetScan | As of 17/8/2016 at depth=7 has 8 pages (e.g. Template:Expand). |
CDr redirects | Talk File Template ... |
[?? PetScan] | As of September 2016 at depth=??? has ?? pages - Does not work (PetScan selects things that aren't redirects). |
CE | Talk Lots (excluding User, Wikipedia, Help, Category) |
PetScan | As of August 2016 at depth=7 has just two pages. |
CF | Mainspace | PetScan | Note: (As of August 2016) Category:Articles containing image maps puts some articles under Category:Wikipedia files. (As of September 2016) a query that excludes that category (PetScan) at depth=3 has 18 files. |
CH | File MediaWiki Portal Book Draft Ed Prog Most talk pages |
PetScan | |
Mainspace | x | ||
Template | x | ||
Talk User talk Wikipedia talk |
x | ||
CI | Mainspace MediaWiki Book Draft Ed.Prog. TimedText Talk ... |
PetScan | As of September 2016 at depth=6 this has 288 pages (mostly in talk namespaces). |
Portal | x | ||
CP (non-redirects) | Mainspace User Help Book +??? |
PetScan | As of March 2017 at depth=8 has 5 pages (e.g. sandboxes). |
CP (redirects) | User MediaWiki Help Book Draft ... |
PetScan | As of August 2016 at depth=7 has 3 pages (e.g. sandboxes). |
CR+CD | Mainspace Other namespaces |
PetScan | As of August 2016 at depth=7 has 15 pages. |
CT | Mainspace Book?? Portal?? ... |
PetScan | As of August 2016 at depth=3 has 619 pages (including pages in Category:Ill-formatted IPAc-cmn transclusions - to be fixed). |
CU | Mainspace Talk (excluding user talk, Wikipedia Talk) Help Portal Book Ed. Prog. |
PetScan | As of September 2016 at depth=8 this has 0 pages. Book:WikiFauna |
Wikipedia Talk + |
PetScan | As of August 2016 at depth=7 this has 81 pages (e.g. via Category:Wikipedia Arbitration Committee archives). | |
CW | Book Portal Topic MediaWiki Ed. Prog. TimedText |
PetScan | As of September 2016 at depth=4 this has 153 pages (all in portal namespace - typically because a portal page transcludes a wikiproject page). |
Notes
[edit]- ^ For an expansion of the two-letter codes used here see User:DexDor/Namespaces_and_categories#Top-level_category_structure.
- ^ Some of the namespaces listed here are linked to information about how to fix the miscategorizations (at User:DexDor/FHL).