Abstract:This research introduces the first large-scale, well-balanced Persian social media text classification dataset, specifically designed to address the lack of comprehensive resources in this domain. The dataset comprises 36,000 posts across nine categories (Economic, Artistic, Sports, Political, Social, Health, Psychological, Historical, and Science & Technology), each containing 4,000 samples to ensure balanced class distribution. Data collection involved 60,000 raw posts from various Persian social media platforms, followed by rigorous preprocessing and hybrid annotation combining ChatGPT-based few-shot prompting with human verification. To mitigate class imbalance, we employed undersampling with semantic redundancy removal and advanced data augmentation strategies integrating lexical replacement and generative prompting. We benchmarked several models, including BiLSTM, XLM-RoBERTa (with LoRA and AdaLoRA adaptations), FaBERT, SBERT-based architectures, and the Persian-specific TookaBERT (Base and Large). Experimental results show that transformer-based models consistently outperform traditional neural networks, with TookaBERT-Large achieving the best performance (Precision: 0.9622, Recall: 0.9621, F1- score: 0.9621). Class-wise evaluation further confirms robust performance across all categories, though social and political texts exhibited slightly lower scores due to inherent ambiguity. This research presents a new high-quality dataset and provides comprehensive evaluations of cutting-edge models, establishing a solid foundation for further developments in Persian NLP, including trend analysis, social behavior modeling, and user classification. The dataset is publicly available to support future research endeavors.
| Comments: | 10 pages, including 1 figure |
| Subjects: | Computation and Language (cs.CL); Information Retrieval (cs.IR); Social and Information Networks (cs.SI) |
| ACM classes: | I.2.7; H.3.1; H.3.3 |
| Cite as: | arXiv:2602.19333 [cs.CL] |
| (or arXiv:2602.19333v2 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2602.19333 arXiv-issued DOI via DataCite |
From: Ebrahim Ansari [view email]
[v1]
Sun, 22 Feb 2026 20:53:08 UTC (1,525 KB)
[v2]
Mon, 25 May 2026 14:40:20 UTC (1,525 KB)
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