Languages
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Monolingual language data lives in apertium-languages. Monolingual language data in Apertium is slowly being moved to this new repository scheme. (Originally, all monolingual language data was found in language pairs, meaning that there was a lot of duplication.) If you feel something is missing, please feel free to contact us.
New monolingual packages should be developed as incubator languages until they're minimally useful, at which point they can go in apertium-languages. There is no fixed criterion for what constitutes a minimally-useful language package; generally, however, a language package should have over 60% coverage on a variety of corpora and should probably have at least 2500 stems to be considered minimally useful.
Apertium-languages can be found in GitHub at apertium-languages. You may also want to browse all the languages and pairs using the Apertium source browser.
Contents
Languages by coverage
Module | Language | Entries | Coverage |
---|---|---|---|
apertium-afr | Afrikaans | 7577 | - |
apertium-ara | Arabic | 6,127 | - |
apertium-arg | Aragonese | 26,068 | - |
apertium-ast | Asturian | 498 | - |
apertium-ava | Avar | 4,904 | ~86.5% |
apertium-bak | Bashkir | 46,501 | ~66% |
apertium-ben | Bengali | 8,230 | ~74% |
apertium-bre | Breton | 18,249 | - |
apertium-bul | Bulgarian | 8,578 | - |
apertium-cat | Catalan | 95604 | - |
apertium-ces | Czech | 41,199 | ~90.5% |
apertium-chv | Chuvash | 10,267 | ~85% |
apertium-crh | Crimean Tatar | 11,757 | ~85.4% |
apertium-cym | Welsh | 11,015 | - |
apertium-dan | Danish | 52,133 | - |
apertium-deu | German | 74,339 | - |
apertium-ell | Greek | 2,460 | - |
apertium-eng | English | 62,609 | - |
apertium-eus | Basque | 11,471 | - |
apertium-fao | Faroese | 2,318 | - |
apertium-fin | Finnish | 408,216 | - |
apertium-fra | French | - | |
apertium-gla | Scottish Gaelic | 117 | - |
apertium-glg | Galician | 31,916 | - |
apertium-glv | Manx | 11,353 | - |
apertium-hbs | Serbo-Croatian | 58,004 | - |
apertium-heb | Hebrew | 20,932 | - |
apertium-hin | Hindi | 37,833 | ~83.1% |
apertium-hye | Armenian | 8,247 | - |
apertium-ind | Indonesian | 12,264 | - |
apertium-isl | Icelandic | 8,770 | - |
apertium-ita | Italian | 25,609 | - |
apertium-kaa | Karakalpak | 25,545 | ~86.1% |
apertium-kaz | Kazakh | 36,595 | ~94.5% |
apertium-kir | Kyrgyz | 14,424 | ~90.4% |
apertium-kmr | Kurmanji | 17,771 | - |
apertium-kum | Kumyk | 4,918 | ~90.2% |
apertium-ltz | Luxembourgish | 11,882 | - |
apertium-lvs | Latvian | 6,756 | - |
apertium-mar | Marathi | 14,886 | - |
apertium-mkd | Macedonian | 30,686 | ~90.5% |
apertium-mlt | Maltese | 7,371 | - |
apertium-nld | Dutch | 25,079 | - |
apertium-nno | Norwegian Nynorsk | 182,497 | - |
apertium-nob | Norwegian Bokmål | 246,281 | - |
apertium-nog | Nogay | 1,385 | ~81.4% |
apertium-pol | Polish | 13,972 | - |
apertium-por | Portuguese | 14,796 | - |
apertium-ron | Romanian | 18,878 | - |
apertium-rus | Russian | 126,833 | ~89.6% |
apertium-sah | Sakha | 11,531 | ~89.6% |
apertium-san | Sanskrit | 123,373 | - |
apertium-slv | Slovenian | 20,596 | - |
apertium-spa | Spanish | 46,003 | - |
apertium-sqi | Albanian | 3,312 | ~80.2% |
apertium-srd | Sardinian | 46,642 | - |
apertium-swe | Swedish | 138,490 | - |
apertium-tat | Tatar | 55,702 | ~91% |
apertium-tuk | Turkmen | 2,988 | ~70.7% |
apertium-tur | Turkish | 17,221 | ~87.3% |
apertium-tyv | Tuvan | 11,695 | ~92.7% |
apertium-ukr | Ukrainian | 10,709 | - |
apertium-urd | Urdu | 14,943 | ~64.6% |
apertium-uzb | Uzbek | 34,470 | ~82.9% |
apertium-yid | Yiddish | 378 | ~62.5% |
apertium-zho | Chinese | 8,521 | - |
apertium-zlm | Malay | 11,894 | - |
Languages by family
- Turkic:
- Indo-European
- Slavic: Russian, Serbo-Croatian, Macedonian, Czech, Bulgarian, Ukranian, Polish, Slovenian
- Celtic: Scottish Gaelic, Breton, Welsh, Manx
- Germanic
- West Germanic: Dutch, Afrikaans, English, German, Luxembourgish, Yiddish
- North Germanic: Danish, Icelandic, Norwegian (nno, nob), Swedish, Faroese
- Romance: Aragonese, Asturian, Catalan, Spanish, French, Galician, Italian, Portuguese, Sardinian, Romanian, Corsican
- Indic: Urdu, Bengali, Hindi, Sanskrit
- Baltic: Latvian
- Other: Albanian, Armenian, Greek
- Semitic: Maltese, Arabic, Hebrew
- Uralic: Finnish
- Daghestani languages: Avar
- Vasconic languages: Basque
- Sinitic languages: Chinese
- Austronesian languages: Malay, Indonesian
Languages by region
- Volga-Kama: Tatar, Bashqort, Chuvash
- Balkans: Albanian, Bulgarian, Greek, Macedonian, Serbo-Croatian, Romanian
- Caucasus: Kumyk, Nogay, Armenian, Avar
- Central Asia: Kazakh, Kyrgyz, Turkmen, Uzbek, Karakalpak
- former Soviet Union: Kyrgyz, Kazakh, Azeri, Turkmen, Tatar, Bashqort, Chuvash, Armenian, Tajik, Avar, Uyghur, Karakalpak, Uzbek, Kumyk, Sakha, Tuvan, Latvian, Gagauz
- Languages of Spain: Spanish, Basque, Catalan, Asturian, Galician, Aragonese
- Languages of the Baltics: Latvian, Estonian, Finnish
Language family pages
Language family pages exist to show the overall progress of monolingual language modules for regions and language families of interest. Currently the following pages are (or should soon be) available on this wiki (family names in bold use the format described below):
- Turkic languages
- Uralic languages
- Indic languages
- Dravidian languages
- Balkan languages
- Celtic languages
- Languages of the Volga-Kama region
- Iranian languages
- Slavic languages
- Mongolic languages
- Semitic languages
- Germanic languages
- Romance languages
- Languages of the Caucasus
- Languages of Central Asia
- Languages of the former Soviet Union
The language family pages should represent the following data in a standardised format:
- The languages of that group with apertium data (whether in languages, incubator, part of a pair in trunk, etc.)
- 2- and 3-letter ISO codes for each language
- The formalism the module is written in
- Links to the pages for each language on the apertium wiki
- The location in the apertium repository (whether in languages, incubator, part of a pair in trunk, etc.)
- Development status, which should be one of the following:
- production - for language modules used in a released pair, usually over 90% coverage and/or over 10,000 stems
- working - for language modules with near-production-quality performance, usually over 80% coverage and/or over 8'000 stems
- development - for language modules under development, usually over 60% coverage and/or over 1'000 stems
- prototype - for language modules that have not received heavy development, usually less than 60% coverage or under 1'000 stems
Here are status guidelines summarised in a table:
status | description | stems | coverage | bidix table |
---|---|---|---|---|
prototype | language module that has not received heavy development | <1,000 | <60% | |
development | language module under development | ≥1,000 | ≥60% | |
working | language module with near-production-quality performance | ≥8,000 | ≥80% | |
production | language module used in a released pair | ≥10,000 | ≥90% |
Additionally, the following data is put on apertium-xxx/stats
pages, and is included on the language family page and other places as relevant:
- The number of stems (and paradigms if relevant) in that language module
- The coverage of the transducer on a variety of corpora
There should also be a table of language pairs available with these languages, with number of stems from apertium-xxx-yyy/stats
pages on the wiki. Guidelines for font semantics for the pairs follow:
- production / trunk = bold
- working / staging = bold+italics
- development / nursery = normal
- prototype / incubator = italics
Optional information includes samples of a single text in these languages and UNESCO-provided vulnerability data.