{"date_created":"2026-06-01T14:08:25Z","title":"Fine-Tuning of Lightweight Large Language Models for Sentiment Classification on Heterogeneous Financial Textual Data","publication":"Preprint","publication_status":"published","oa":"1","type":"journal_article","main_file_link":[{"open_access":"1"}],"user_id":"220548","doi":"10.48550/arXiv.2512.00946","date_updated":"2026-06-02T13:23:32Z","publisher":"Arxiv","citation":{"chicago":"Amorin, Alvaro Paredes, Andre Python, and Christoph Weisser. “Fine-Tuning of Lightweight Large Language Models for Sentiment Classification on Heterogeneous Financial Textual Data.” <i>Preprint</i>, 2025. <a href=\"https://doi.org/10.48550/arXiv.2512.00946\">https://doi.org/10.48550/arXiv.2512.00946</a>.","short":"A.P. Amorin, A. Python, C. Weisser, Preprint (2025).","ama":"Amorin AP, Python A, Weisser C. Fine-Tuning of Lightweight Large Language Models for Sentiment Classification on Heterogeneous Financial Textual Data. <i>Preprint</i>. 2025. doi:<a href=\"https://doi.org/10.48550/arXiv.2512.00946\">10.48550/arXiv.2512.00946</a>","mla":"Amorin, Alvaro Paredes, et al. “Fine-Tuning of Lightweight Large Language Models for Sentiment Classification on Heterogeneous Financial Textual Data.” <i>Preprint</i>, Arxiv, 2025, doi:<a href=\"https://doi.org/10.48550/arXiv.2512.00946\">10.48550/arXiv.2512.00946</a>.","ieee":"A. P. Amorin, A. Python, and C. Weisser, “Fine-Tuning of Lightweight Large Language Models for Sentiment Classification on Heterogeneous Financial Textual Data,” <i>Preprint</i>, 2025.","apa":"Amorin, A. P., Python, A., &#38; Weisser, C. (2025). Fine-Tuning of Lightweight Large Language Models for Sentiment Classification on Heterogeneous Financial Textual Data. <i>Preprint</i>. <a href=\"https://doi.org/10.48550/arXiv.2512.00946\">https://doi.org/10.48550/arXiv.2512.00946</a>","bibtex":"@article{Amorin_Python_Weisser_2025, title={Fine-Tuning of Lightweight Large Language Models for Sentiment Classification on Heterogeneous Financial Textual Data}, DOI={<a href=\"https://doi.org/10.48550/arXiv.2512.00946\">10.48550/arXiv.2512.00946</a>}, journal={Preprint}, publisher={Arxiv}, author={Amorin, Alvaro Paredes and Python, Andre and Weisser, Christoph}, year={2025} }","alphadin":"<span style=\"font-variant:small-caps;\">Amorin, Alvaro Paredes</span> ; <span style=\"font-variant:small-caps;\">Python, Andre</span> ; <span style=\"font-variant:small-caps;\">Weisser, Christoph</span>: Fine-Tuning of Lightweight Large Language Models for Sentiment Classification on Heterogeneous Financial Textual Data. In: <i>Preprint</i>, Arxiv (2025)"},"author":[{"last_name":"Amorin","full_name":"Amorin, Alvaro Paredes","first_name":"Alvaro Paredes"},{"first_name":"Andre","last_name":"Python","full_name":"Python, Andre"},{"last_name":"Weisser","orcid":"0000-0003-0616-1027","full_name":"Weisser, Christoph","first_name":"Christoph","orcid_put_code_url":"https://api.orcid.org/v2.0/0000-0003-0616-1027/work/216497385","id":"264138"}],"status":"public","_id":"6962","year":"2025","language":[{"iso":"eng"}]}