readme: ---
  language: 
  - be
  - ru
  - uk
  - zle
  
  tags:
  - translation
  
  license: apache-2.0
  ---
  
  ### zle-zle
  
  * source group: East Slavic languages 
  * target group: East Slavic languages 
  *  OPUS readme: [zle-zle](https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/zle-zle/README.md)
  
  *  model: transformer
  * source language(s): bel bel_Latn orv_Cyrl rus ukr
  * target language(s): bel bel_Latn orv_Cyrl 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: [opus-2020-07-27.zip](https://object.pouta.csc.fi/Tatoeba-MT-models/zle-zle/opus-2020-07-27.zip)
  * test set translations: [opus-2020-07-27.test.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/zle-zle/opus-2020-07-27.test.txt)
  * test set scores: [opus-2020-07-27.eval.txt](https://object.pouta.csc.fi/Tatoeba-MT-models/zle-zle/opus-2020-07-27.eval.txt)
  
  ## Benchmarks
  
  | testset               | BLEU  | chr-F |
  |-----------------------|-------|-------|
  | Tatoeba-test.bel-rus.bel.rus 	| 57.1 	| 0.758 |
  | Tatoeba-test.bel-ukr.bel.ukr 	| 55.5 	| 0.751 |
  | Tatoeba-test.multi.multi 	| 58.0 	| 0.742 |
  | Tatoeba-test.orv-rus.orv.rus 	| 5.8 	| 0.226 |
  | Tatoeba-test.orv-ukr.orv.ukr 	| 2.5 	| 0.161 |
  | Tatoeba-test.rus-bel.rus.bel 	| 50.5 	| 0.714 |
  | Tatoeba-test.rus-orv.rus.orv 	| 0.3 	| 0.129 |
  | Tatoeba-test.rus-ukr.rus.ukr 	| 63.9 	| 0.794 |
  | Tatoeba-test.ukr-bel.ukr.bel 	| 51.3 	| 0.719 |
  | Tatoeba-test.ukr-orv.ukr.orv 	| 0.3 	| 0.106 |
  | Tatoeba-test.ukr-rus.ukr.rus 	| 68.7 	| 0.825 |
  
  
  ### System Info: 
  - hf_name: zle-zle
  
  - source_languages: zle
  
  - target_languages: zle
  
  - opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/zle-zle/README.md
  
  - original_repo: Tatoeba-Challenge
  
  - tags: ['translation']
  
  - languages: ['be', 'ru', 'uk', 'zle']
  
  - src_constituents: {'bel', 'orv_Cyrl', 'bel_Latn', 'rus', 'ukr', 'rue'}
  
  - tgt_constituents: {'bel', 'orv_Cyrl', 'bel_Latn', 'rus', 'ukr', 'rue'}
  
  - src_multilingual: True
  
  - tgt_multilingual: True
  
  - prepro:  normalization + SentencePiece (spm32k,spm32k)
  
  - url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/zle-zle/opus-2020-07-27.zip
  
  - url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/zle-zle/opus-2020-07-27.test.txt
  
  - src_alpha3: zle
  
  - tgt_alpha3: zle
  
  - short_pair: zle-zle
  
  - chrF2_score: 0.742
  
  - bleu: 58.0
  
  - brevity_penalty: 1.0
  
  - ref_len: 62731.0
  
  - src_name: East Slavic languages
  
  - tgt_name: East Slavic languages
  
  - train_date: 2020-07-27
  
  - src_alpha2: zle
  
  - tgt_alpha2: zle
  
  - prefer_old: False
  
  - long_pair: zle-zle
  
  - helsinki_git_sha: 480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535
  
  - transformers_git_sha: 2207e5d8cb224e954a7cba69fa4ac2309e9ff30b
  
  - port_machine: brutasse
  
  - port_time: 2020-08-21-14:41