A Comparative Analysis of Transformer Models in Social Bot Detection
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908545799159808 |
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| author | Veit, Rohan Lones, Michael |
| author_facet | Veit, Rohan Lones, Michael |
| contents | Social media has become a key medium of communication in today's society. This realisation has led to many parties employing artificial users (or bots) to mislead others into believing untruths or acting in a beneficial manner to such parties. Sophisticated text generation tools, such as large language models, have further exacerbated this issue. This paper aims to compare the effectiveness of bot detection models based on encoder and decoder transformers. Pipelines are developed to evaluate the performance of these classifiers, revealing that encoder-based classifiers demonstrate greater accuracy and robustness. However, decoder-based models showed greater adaptability through task-specific alignment, suggesting more potential for generalisation across different use cases in addition to superior observa. These findings contribute to the ongoing effort to prevent digital environments being manipulated while protecting the integrity of online discussion. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_14936 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Comparative Analysis of Transformer Models in Social Bot Detection Veit, Rohan Lones, Michael Machine Learning Social media has become a key medium of communication in today's society. This realisation has led to many parties employing artificial users (or bots) to mislead others into believing untruths or acting in a beneficial manner to such parties. Sophisticated text generation tools, such as large language models, have further exacerbated this issue. This paper aims to compare the effectiveness of bot detection models based on encoder and decoder transformers. Pipelines are developed to evaluate the performance of these classifiers, revealing that encoder-based classifiers demonstrate greater accuracy and robustness. However, decoder-based models showed greater adaptability through task-specific alignment, suggesting more potential for generalisation across different use cases in addition to superior observa. These findings contribute to the ongoing effort to prevent digital environments being manipulated while protecting the integrity of online discussion. |
| title | A Comparative Analysis of Transformer Models in Social Bot Detection |
| topic | Machine Learning |
| url | https://arxiv.org/abs/2509.14936 |