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README.md
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---
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license: cc-by-sa-4.0
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tags:
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- hate-speech
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- toxic-comments
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- classification
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- hatebert
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- jigsaw
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- fine-tuned
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base_model: GroNLP/hateBERT
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datasets:
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- jigsaw-toxic-comment-classification-challenge
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metrics:
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- accuracy
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- f1
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---
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# HateBERT Fine-Tuned on Jigsaw Toxic Comments (v5)
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This model is a fine-tuned version of [GroNLP/hateBERT](https://huggingface.co/GroNLP/hateBERT) on a binary version of the [Jigsaw Toxic Comment Classification Challenge](https://www.kaggle.com/c/jigsaw-toxic-comment-classification-challenge) dataset.
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It has been fine-tuned to detect whether a comment is toxic (`1`) or non-toxic (`0`) using class-weighted Focal Loss and evaluation strategies suitable for imbalanced classification tasks.
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## 💻 Training Setup
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- **Base Model:** GroNLP/hateBERT
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- **Dataset:** Jigsaw Toxic Comment Classification Challenge
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- **Binary Labeling:** A comment is marked as *toxic* if any of the following labels is `1`: `toxic`, `severe_toxic`, `obscene`, `threat`, `insult`, `identity_hate`
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- **Tokenizer Max Length:** 256
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- **Loss Function:** Focal Loss with class weights
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- **Hardware:** NVIDIA H100 GPU (via SLURM on TU Berlin HPC)
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- **Training Time:** ~6 hours
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- **Final F1 Score (Validation):** `0.850`
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## 📊 Evaluation Metrics
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| Metric | Value |
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|----------|--------|
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| F1 Score | 0.850 |
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| Accuracy | ~0.84 |
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| Confusion Matrix & PR Curves | [Saved and visualized during training] |
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## 🧪 How to Use
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```python
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from transformers import AutoModelForSequenceClassification, AutoTokenizer, pipeline
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model = AutoModelForSequenceClassification.from_pretrained("Jensvollends/hatebert-finetuned_v5")
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tokenizer = AutoTokenizer.from_pretrained("Jensvollends/hatebert-finetuned_v5")
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pipe = pipeline("text-classification", model=model, tokenizer=tokenizer, top_k=None)
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text = "You are a kind person"
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result = pipe(text)
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print(result)
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