readme: ---
  language: 
  - en
  - be
  - ru
  - uk
  - zle
  
  tags:
  - translation
  
  license: apache-2.0
  ---
  
  ### eng-zle
  
  * source group: English 
  * target group: East Slavic languages 
  *  OPUS readme: [eng-zle](https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-zle/README.md)
  
  *  model: transformer
  * source language(s): eng
  * target language(s): bel bel_Latn orv_Cyrl rue rus ukr
  * model: transformer
  * pre-processing: normalization + SentencePiece (spm32k,spm32k)
  * a sentence initial language token is required in the form of `>>id<<` (id = valid target language ID)
  * download original weights: [opus2m-2020-08-02.zip](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zle/opus2m-2020-08-02.zip)
  * test set translations: [opus2m-2020-08-02.test.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zle/opus2m-2020-08-02.test.txt)
  * test set scores: [opus2m-2020-08-02.eval.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zle/opus2m-2020-08-02.eval.txt)
  
  ## Benchmarks
  
  | testset               | BLEU  | chr-F |
  |-----------------------|-------|-------|
  | newstest2012-engrus.eng.rus 	| 27.4 	| 0.550 |
  | newstest2013-engrus.eng.rus 	| 21.4 	| 0.493 |
  | newstest2015-enru-engrus.eng.rus 	| 24.2 	| 0.534 |
  | newstest2016-enru-engrus.eng.rus 	| 23.3 	| 0.518 |
  | newstest2017-enru-engrus.eng.rus 	| 25.3 	| 0.541 |
  | newstest2018-enru-engrus.eng.rus 	| 22.4 	| 0.527 |
  | newstest2019-enru-engrus.eng.rus 	| 24.1 	| 0.505 |
  | Tatoeba-test.eng-bel.eng.bel 	| 20.8 	| 0.471 |
  | Tatoeba-test.eng.multi 	| 37.2 	| 0.580 |
  | Tatoeba-test.eng-orv.eng.orv 	| 0.6 	| 0.130 |
  | Tatoeba-test.eng-rue.eng.rue 	| 1.4 	| 0.168 |
  | Tatoeba-test.eng-rus.eng.rus 	| 41.3 	| 0.616 |
  | Tatoeba-test.eng-ukr.eng.ukr 	| 38.7 	| 0.596 |
  
  
  ### System Info: 
  - hf_name: eng-zle
  
  - source_languages: eng
  
  - target_languages: zle
  
  - opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/eng-zle/README.md
  
  - original_repo: Tatoeba-Challenge
  
  - tags: ['translation']
  
  - languages: ['en', 'be', 'ru', 'uk', 'zle']
  
  - src_constituents: {'eng'}
  
  - tgt_constituents: {'bel', 'orv_Cyrl', 'bel_Latn', 'rus', 'ukr', 'rue'}
  
  - src_multilingual: False
  
  - tgt_multilingual: True
  
  - prepro:  normalization + SentencePiece (spm32k,spm32k)
  
  - url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zle/opus2m-2020-08-02.zip
  
  - url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/eng-zle/opus2m-2020-08-02.test.txt
  
  - src_alpha3: eng
  
  - tgt_alpha3: zle
  
  - short_pair: en-zle
  
  - chrF2_score: 0.58
  
  - bleu: 37.2
  
  - brevity_penalty: 0.9890000000000001
  
  - ref_len: 63493.0
  
  - src_name: English
  
  - tgt_name: East Slavic languages
  
  - train_date: 2020-08-02
  
  - src_alpha2: en
  
  - tgt_alpha2: zle
  
  - prefer_old: False
  
  - long_pair: eng-zle
  
  - helsinki_git_sha: 480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535
  
  - transformers_git_sha: 2207e5d8cb224e954a7cba69fa4ac2309e9ff30b
  
  - port_machine: brutasse
  
  - port_time: 2020-08-21-14:41