GRDD+: An Extended Greek Dialectal Dataset with Cross-Architecture Fine-tuning Evaluation
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2025
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| author | Chatzikyriakidis, Stergios Papadakis, DImitris Papaioannou, Sevasti-Ioanna Psaltaki, Erofili |
| author_facet | Chatzikyriakidis, Stergios Papadakis, DImitris Papaioannou, Sevasti-Ioanna Psaltaki, Erofili |
| contents | <blockquote>We present an extended Greek Dialectal Dataset (GRDD+) 1that complements the existing GRDD dataset with more data from Cretan, Cypriot, Pontic and Northern Greek, while we add six new varieties: Greco-Corsican, Griko (Southern Italian Greek), Maniot, Heptanesian, Tsakonian, and Katharevusa Greek. The result is a dataset with total size 6,374,939 words and 10 varieties. This is the first dataset with such variation and size to date. We conduct a number of fine-tuning experiments to see the effect of good quality dialectal data on a number of LLMs. We fine-tune three model architectures (Llama-3-8B, Llama-3.1-8B, Krikri-8B) and compare the results to frontier models (Claude-3.7-Sonnet, Gemini-2.5, ChatGPT-5).</blockquote> <div> </div> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17737334 |
| institution | Zenodo |
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| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | GRDD+: An Extended Greek Dialectal Dataset with Cross-Architecture Fine-tuning Evaluation Chatzikyriakidis, Stergios Papadakis, DImitris Papaioannou, Sevasti-Ioanna Psaltaki, Erofili Natural language processing Artificial intelligence Linguistics <blockquote>We present an extended Greek Dialectal Dataset (GRDD+) 1that complements the existing GRDD dataset with more data from Cretan, Cypriot, Pontic and Northern Greek, while we add six new varieties: Greco-Corsican, Griko (Southern Italian Greek), Maniot, Heptanesian, Tsakonian, and Katharevusa Greek. The result is a dataset with total size 6,374,939 words and 10 varieties. This is the first dataset with such variation and size to date. We conduct a number of fine-tuning experiments to see the effect of good quality dialectal data on a number of LLMs. We fine-tune three model architectures (Llama-3-8B, Llama-3.1-8B, Krikri-8B) and compare the results to frontier models (Claude-3.7-Sonnet, Gemini-2.5, ChatGPT-5).</blockquote> <div> </div> |
| title | GRDD+: An Extended Greek Dialectal Dataset with Cross-Architecture Fine-tuning Evaluation |
| topic | Natural language processing Artificial intelligence Linguistics |
| url | https://doi.org/10.5281/zenodo.17737334 |