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        <title>Contemporizing 20-th Century Estonian</title>
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        <namePart type="given">Heiki-Jaan</namePart>
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            <title>Proceedings of the Fourth Workshop on Language Technologies for Historical and Ancient Languages (LT4HALA 2026) @ LREC 2026</title>
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        <name type="personal">
            <namePart type="given">Rachele</namePart>
            <namePart type="family">Sprugnoli</namePart>
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        <name type="personal">
            <namePart type="given">Marco</namePart>
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    <abstract>The paper describes a contemporization effort of a 1.9 million word corpus of Estonian parliament minutes from 100 years ago. The paper describes the corpus of Asutaw Kogu (the Constitutional Assembly) and the main differences of language that require one to contemporize it for modern researchers. The effort is implemented as a work flow that combines a freely available speller lexicon, hand-crafted transformation rules and various corpus-based word lists into finite state transducers. Evaluation on a 53,000 token subset of the corpus showed that 0.02% of text tokens ended up with an incorrect contemporary form, corresponding to 0.05% of the corpus vocabulary. However, if we count only the tokens that actually need changing in the contemporization process, we see that 0.12% end up being incorrect, corresponding to 0.15% of the corpus vocabulary. An additional experiment with generative AI showed that using it as a contemporization tool results in a content-preserving, but more formal version of the original minutes.</abstract>
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%0 Conference Proceedings
%T Contemporizing 20-th Century Estonian
%A Kaalep, Heiki-Jaan
%Y Sprugnoli, Rachele
%Y Passarotti, Marco
%S Proceedings of the Fourth Workshop on Language Technologies for Historical and Ancient Languages (LT4HALA 2026) @ LREC 2026
%D 2026
%8 May
%I ELRA Language Resources Association (ELRA)
%C Palma, Mallorca (Spain)
%F kaalep-2026-contemporizing
%X The paper describes a contemporization effort of a 1.9 million word corpus of Estonian parliament minutes from 100 years ago. The paper describes the corpus of Asutaw Kogu (the Constitutional Assembly) and the main differences of language that require one to contemporize it for modern researchers. The effort is implemented as a work flow that combines a freely available speller lexicon, hand-crafted transformation rules and various corpus-based word lists into finite state transducers. Evaluation on a 53,000 token subset of the corpus showed that 0.02% of text tokens ended up with an incorrect contemporary form, corresponding to 0.05% of the corpus vocabulary. However, if we count only the tokens that actually need changing in the contemporization process, we see that 0.12% end up being incorrect, corresponding to 0.15% of the corpus vocabulary. An additional experiment with generative AI showed that using it as a contemporization tool results in a content-preserving, but more formal version of the original minutes.
%R 10.63317/346u5zcjzsbs
%U https://aclanthology.org/2026.lt4hala-1.41/
%U https://doi.org/10.63317/346u5zcjzsbs
%P 400-406

Markdown (Informal)

[Contemporizing 20-th Century Estonian](https://aclanthology.org/2026.lt4hala-1.41/) (Kaalep, LT4HALA 2026)

• Contemporizing 20-th Century Estonian (Kaalep, LT4HALA 2026)

ACL

• Heiki-Jaan Kaalep. 2026. Contemporizing 20-th Century Estonian. In Proceedings of the Fourth Workshop on Language Technologies for Historical and Ancient Languages (LT4HALA 2026) @ LREC 2026, pages 400–406, Palma, Mallorca (Spain). ELRA Language Resources Association (ELRA).