---
_id: '6962'
author:
- first_name: Alvaro Paredes
  full_name: Amorin, Alvaro Paredes
  last_name: Amorin
- first_name: Andre
  full_name: Python, Andre
  last_name: Python
- first_name: Christoph
  full_name: Weisser, Christoph
  id: '264138'
  last_name: Weisser
  orcid: 0000-0003-0616-1027
  orcid_put_code_url: https://api.orcid.org/v2.0/0000-0003-0616-1027/work/216497385
citation:
  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)'
  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>
  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} }'
  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>.
  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.
  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>.
  short: A.P. Amorin, A. Python, C. Weisser, Preprint (2025).
date_created: 2026-06-01T14:08:25Z
date_updated: 2026-06-02T13:23:32Z
doi: 10.48550/arXiv.2512.00946
language:
- iso: eng
main_file_link:
- open_access: '1'
oa: '1'
publication: Preprint
publication_status: published
publisher: Arxiv
status: public
title: Fine-Tuning of Lightweight Large Language Models for Sentiment Classification
  on Heterogeneous Financial Textual Data
type: journal_article
user_id: '220548'
year: '2025'
...