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opus_books / README.md
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metadata
annotations_creators:
  - found
language_creators:
  - found
language:
  - ca
  - de
  - el
  - en
  - eo
  - es
  - fi
  - fr
  - hu
  - it
  - nl
  - 'no'
  - pl
  - pt
  - ru
  - sv
license:
  - other
multilinguality:
  - multilingual
size_categories:
  - 1K<n<10K
source_datasets:
  - original
task_categories:
  - translation
task_ids: []
pretty_name: OpusBooks
dataset_info:
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configs:
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  - config_name: de-en
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  - config_name: de-eo
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  - config_name: de-es
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  - config_name: de-fr
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  - config_name: de-ru
    data_files:
      - split: train
        path: de-ru/train-*
  - config_name: el-en
    data_files:
      - split: train
        path: el-en/train-*
  - config_name: el-es
    data_files:
      - split: train
        path: el-es/train-*
  - config_name: el-fr
    data_files:
      - split: train
        path: el-fr/train-*
  - config_name: el-hu
    data_files:
      - split: train
        path: el-hu/train-*
  - config_name: en-eo
    data_files:
      - split: train
        path: en-eo/train-*
  - config_name: en-es
    data_files:
      - split: train
        path: en-es/train-*
  - config_name: en-fi
    data_files:
      - split: train
        path: en-fi/train-*
  - config_name: en-fr
    data_files:
      - split: train
        path: en-fr/train-*
  - config_name: en-hu
    data_files:
      - split: train
        path: en-hu/train-*
  - config_name: en-it
    data_files:
      - split: train
        path: en-it/train-*
  - config_name: en-nl
    data_files:
      - split: train
        path: en-nl/train-*
  - config_name: en-no
    data_files:
      - split: train
        path: en-no/train-*
  - config_name: en-pl
    data_files:
      - split: train
        path: en-pl/train-*
  - config_name: en-pt
    data_files:
      - split: train
        path: en-pt/train-*
  - config_name: en-ru
    data_files:
      - split: train
        path: en-ru/train-*
  - config_name: en-sv
    data_files:
      - split: train
        path: en-sv/train-*
  - config_name: eo-es
    data_files:
      - split: train
        path: eo-es/train-*
  - config_name: eo-fr
    data_files:
      - split: train
        path: eo-fr/train-*
  - config_name: eo-hu
    data_files:
      - split: train
        path: eo-hu/train-*
  - config_name: eo-it
    data_files:
      - split: train
        path: eo-it/train-*
  - config_name: eo-pt
    data_files:
      - split: train
        path: eo-pt/train-*
  - config_name: es-fi
    data_files:
      - split: train
        path: es-fi/train-*
  - config_name: es-fr
    data_files:
      - split: train
        path: es-fr/train-*
  - config_name: es-hu
    data_files:
      - split: train
        path: es-hu/train-*
  - config_name: es-it
    data_files:
      - split: train
        path: es-it/train-*
  - config_name: es-nl
    data_files:
      - split: train
        path: es-nl/train-*
  - config_name: es-no
    data_files:
      - split: train
        path: es-no/train-*
  - config_name: es-pt
    data_files:
      - split: train
        path: es-pt/train-*
  - config_name: es-ru
    data_files:
      - split: train
        path: es-ru/train-*
  - config_name: fi-fr
    data_files:
      - split: train
        path: fi-fr/train-*
  - config_name: fi-hu
    data_files:
      - split: train
        path: fi-hu/train-*
  - config_name: fi-no
    data_files:
      - split: train
        path: fi-no/train-*
  - config_name: fi-pl
    data_files:
      - split: train
        path: fi-pl/train-*
  - config_name: fr-hu
    data_files:
      - split: train
        path: fr-hu/train-*
  - config_name: fr-it
    data_files:
      - split: train
        path: fr-it/train-*
  - config_name: fr-nl
    data_files:
      - split: train
        path: fr-nl/train-*
  - config_name: fr-no
    data_files:
      - split: train
        path: fr-no/train-*
  - config_name: fr-pl
    data_files:
      - split: train
        path: fr-pl/train-*
  - config_name: fr-pt
    data_files:
      - split: train
        path: fr-pt/train-*
  - config_name: fr-ru
    data_files:
      - split: train
        path: fr-ru/train-*
  - config_name: fr-sv
    data_files:
      - split: train
        path: fr-sv/train-*
  - config_name: hu-it
    data_files:
      - split: train
        path: hu-it/train-*
  - config_name: hu-nl
    data_files:
      - split: train
        path: hu-nl/train-*
  - config_name: hu-no
    data_files:
      - split: train
        path: hu-no/train-*
  - config_name: hu-pl
    data_files:
      - split: train
        path: hu-pl/train-*
  - config_name: hu-pt
    data_files:
      - split: train
        path: hu-pt/train-*
  - config_name: hu-ru
    data_files:
      - split: train
        path: hu-ru/train-*
  - config_name: it-nl
    data_files:
      - split: train
        path: it-nl/train-*
  - config_name: it-pt
    data_files:
      - split: train
        path: it-pt/train-*
  - config_name: it-ru
    data_files:
      - split: train
        path: it-ru/train-*
  - config_name: it-sv
    data_files:
      - split: train
        path: it-sv/train-*

Dataset Card for OPUS Books

Table of Contents

Dataset Description

Dataset Summary

This is a collection of copyright free books aligned by Andras Farkas, which are available from http://www.farkastranslations.com/bilingual_books.php Note that the texts are rather dated due to copyright issues and that some of them are manually reviewed (check the meta-data at the top of the corpus files in XML). The source is multilingually aligned, which is available from http://www.farkastranslations.com/bilingual_books.php. In OPUS, the alignment is formally bilingual but the multilingual alignment can be recovered from the XCES sentence alignment files. Note also that the alignment units from the original source may include multi-sentence paragraphs, which are split and sentence-aligned in OPUS. All texts are freely available for personal, educational and research use. Commercial use (e.g. reselling as parallel books) and mass redistribution without explicit permission are not granted. Please acknowledge the source when using the data!

Books's Numbers:

  • Languages: 16
  • Bitexts: 64
  • Number of files: 158
  • Number of tokens: 19.50M
  • Sentence fragments: 0.91M

Supported Tasks and Leaderboards

Translation.

Languages

The languages in the dataset are:

  • ca
  • de
  • el
  • en
  • eo
  • es
  • fi
  • fr
  • hu
  • it
  • nl
  • no
  • pl
  • pt
  • ru
  • sv

Dataset Structure

Data Instances

[More Information Needed]

Data Fields

[More Information Needed]

Data Splits

[More Information Needed]

Dataset Creation

Curation Rationale

[More Information Needed]

Source Data

[More Information Needed]

Initial Data Collection and Normalization

[More Information Needed]

Who are the source language producers?

[More Information Needed]

Annotations

[More Information Needed]

Annotation process

[More Information Needed]

Who are the annotators?

[More Information Needed]

Personal and Sensitive Information

[More Information Needed]

Considerations for Using the Data

Social Impact of Dataset

[More Information Needed]

Discussion of Biases

[More Information Needed]

Other Known Limitations

[More Information Needed]

Additional Information

Dataset Curators

[More Information Needed]

Licensing Information

All texts are freely available for personal, educational and research use. Commercial use (e.g. reselling as parallel books) and mass redistribution without explicit permission are not granted.

Citation Information

Please acknowledge the source when using the data.

Please cite the following article if you use any part of the OPUS corpus in your own work:

@inproceedings{tiedemann-2012-parallel,
    title = "Parallel Data, Tools and Interfaces in {OPUS}",
    author = {Tiedemann, J{\"o}rg},
    editor = "Calzolari, Nicoletta  and
      Choukri, Khalid  and
      Declerck, Thierry  and
      Do{\u{g}}an, Mehmet U{\u{g}}ur  and
      Maegaard, Bente  and
      Mariani, Joseph  and
      Moreno, Asuncion  and
      Odijk, Jan  and
      Piperidis, Stelios",
    booktitle = "Proceedings of the Eighth International Conference on Language Resources and Evaluation ({LREC}'12)",
    month = may,
    year = "2012",
    address = "Istanbul, Turkey",
    publisher = "European Language Resources Association (ELRA)",
    url = "http://www.lrec-conf.org/proceedings/lrec2012/pdf/463_Paper.pdf",
    pages = "2214--2218",
}

Contributions

Thanks to @abhishekkrthakur for adding this dataset.