From web to dialects: how to enhance non-standard Russian lects lemmatisation?

Ilia Afanasev, Olga Lyashevskaya


Abstract
The growing need for using small data distinguished by a set of distributional properties becomes all the more apparent in the era of large language models (LLM). In this paper, we show that for the lemmatisation of the web as corpora texts, heterogeneous social media texts, and dialect texts, the morphological tagging by a model trained on a small dataset with specific properties generally works better than the morphological tagging by a model trained on a large dataset. The material we use is Russian non-standard texts and interviews with dialect speakers. The sequence-to-sequence lemmatisation with the help of taggers trained on smaller linguistically aware datasets achieves the average results of 85 to 90 per cent. These results are consistently (but not always), by 1-2 per cent. higher than the results of lemmatisation with the help of the large-dataset-trained taggers. We analyse these results and outline the possible further research directions.
Anthology ID:
2023.clasp-1.17
Volume:
Proceedings of the 2023 CLASP Conference on Learning with Small Data (LSD)
Month:
September
Year:
2023
Address:
Gothenburg, Sweden
Editors:
Ellen Breitholtz, Shalom Lappin, Sharid Loaiciga, Nikolai Ilinykh, Simon Dobnik
Venue:
CLASP
SIG:
SIGSEM
Publisher:
Association for Computational Linguistics
Note:
Pages:
167–175
Language:
URL:
https://aclanthology.org/2023.clasp-1.17
DOI:
Bibkey:
Cite (ACL):
Ilia Afanasev and Olga Lyashevskaya. 2023. From web to dialects: how to enhance non-standard Russian lects lemmatisation?. In Proceedings of the 2023 CLASP Conference on Learning with Small Data (LSD), pages 167–175, Gothenburg, Sweden. Association for Computational Linguistics.
Cite (Informal):
From web to dialects: how to enhance non-standard Russian lects lemmatisation? (Afanasev & Lyashevskaya, CLASP 2023)
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PDF:
https://aclanthology.org/2023.clasp-1.17.pdf