https://bugzilla.wikimedia.org/show_bug.cgi?id=54459
Web browser: ---
Bug ID: 54459
Summary: Tiny url like system for Wikimedia sites
Product: MediaWiki
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Redirects
Assignee: [email protected]
Reporter: [email protected]
Classification: Unclassified
Mobile Platform: ---
I'd like to propose a schema for a redirect system for all Mediawiki sites for
improved QR code compatibility. My proposal has several parts.
Version 1 is the simplest QR code variant with 21x21 ROWxCOL's. With high error
correction this allows a total of 17 (30% correction)/27 (25% correction)
alpha-numeric characters (0 to 9, A to Z,
space, $ % * + - . / :). Version 2 25x25 with 34 (30% correction)/48 (25%
correction).
Article titles can be light years long so a shorter redirect would be helpful.
However even something as simple as http://r.wikimedia.org/ has 13 characters
to begin with. I don't know if enwp.org is under WMF control but
http://r.enwp.org/ would be 18 characters. The remaining characters would be
used for the redirect itself.
Each page on wikis have a page ID, a decimal value. However these on some wikis
can get fairly large. En.wp has 40,592,460 pages for example. This can however
be expressed in base 36 since QR codes will have to be alpha-numeric anyways.
So instead of 8 base 10 digits same number would be expressed with 5 base 36
digits (O61CC).
Furthermore with an encoding of something like PLLCCCCCC 9 characters would be
enough to determine the Project (Wikipedia, Wikinews, Wikisource, etc - 36
total projects), Language (en, fr, es, ru, etc - 36 * 36 = 1296 languages),
Code-word for Article ID (36^6=2,176,782,336 possible IDs).
So... Possibly with http://r.enwp.org/PLLCCCCCC 27 characters would fit 25%
correction version 1 scheme.
Once this is implemented perhaps WMUK's QRpedia may be easier to implement.
This relates to:
https://www.wikidata.org/wiki/Wikidata:Project_chat#Article_specific_QR_codes
I realize the above link may become obsolete with archiving... :p
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