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bosnian-corpus-v1

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Bosnian
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10M - 100M
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bosnian
corpus
nlp
information-theory
entropy
language-modeling
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metadata 
license: cc-by-sa-4.0
language:
  - bs
tags:
  - bosnian
  - corpus
  - nlp
  - information-theory
  - entropy
  - language-modeling
pretty_name: Bosnian Corpus v1.0 (cleaned)
size_categories:
  - 1B<n<10B

Bosnian Corpus v1.0 (cleaned)

This dataset provides a cleaned and genre-annotated corpus of contemporary Bosnian, designed for quantitative analysis of language entropy, “language energy”, and modern NLP tasks.

The canonical release of this corpus is published on Zenodo: DOI: 10.5281/zenodo.17757098

Corpus composition

The corpus is built from three publicly available resources released via the CLARIN.SI repository:

  1. Sarajevo Corpus of SMS Messages in Bosnian 1.1
  2. Bosnian Web Corpus bsWaC 1.1
  3. Bosnian Web Corpus CLASSLA-web.bs 1.0

All sources were converted to plain text, cleaned, normalized, partially deduplicated, and merged into a single consistent dataset.

Size and statistics

  • Total size: ~6.18 GB (≈ 6,182,905,888 bytes)
  • Lines: ~46,258,935
  • Tokens: ~942,515,845

Genre structure

The web portion of the corpus is organized into the following “super-genres”:

  • News
  • Opinion
  • Forum / Chat
  • Info / HowTo
  • Legal / Administrative
  • Literature
  • Ads / Promo
  • Mix / Other

For each super-genre, a separate text file is provided, along with one global file concatenating all genres. The global file is intended for entropy estimation and language-model training.

Cleaning and normalization

Cleaning focuses on removing technical noise that would bias frequency distributions and entropy estimates, while preserving the linguistic signal:

  • Unicode normalization (UTF-8, NFC)
  • Correction of common mojibake artifacts
  • Removal of URLs, e-mail addresses, file names, boilerplate, CMS/navigation lines
  • Filtering of lines with a high proportion of non-letter characters
  • Optional digit normalization and lowercasing
  • Language filtering to keep primarily Bosnian text

Files

  • bosnian_corpus_all.txt — full corpus (all genres combined)
  • Per-genre text files:
    • news
    • opinion
    • forum_chat
    • info_howto
    • legal_admin
    • literature
    • ads_promo
    • mix_other
  • README.txt — dataset description

Associated research papers (Bosnian and English) are published separately on Zenodo.

  • Download: data/bosnian-corpus-1.0.zip

Code availability

Preprocessing, cleaning, and entropy-calculation scripts are available on GitHub:

https://github.com/H4sK0/bosnian-corpus-pipeline

License

This dataset is released under the
Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

Users must:

  • credit this Zenodo record and the original source corpora
  • distribute derivative datasets under the same or a compatible license

Citation 

@dataset{kahrimanovic2025bosniancorpus,
  title   = {Bosnian Corpus (v1.0): Cleaned Web and SMS Text for Entropy and NLP Research},
  author  = {Kahrimanović, Hasan},
  year    = {2025},
  publisher = {Zenodo},
  doi     = {10.5281/zenodo.17757098}
}