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Update README to add further results
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README.md
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license: other
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license_name: govtech-singapore
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license_link: LICENSE
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---
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# Off-Topic Classification Model
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## Performance
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| Approach | Model | ROC-AUC | F1 | Precision | Recall |
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|---------------------------------------|--------------------------------|---------|------|-----------|--------|
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| Fine-tuned bi-encoder classifier | jina-embeddings-v2-small-en | 0.99 | 0.97 | 0.99 | 0.95 |
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## Usage
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1. Clone this repository and install the required dependencies:
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license: other
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license_name: govtech-singapore
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license_link: LICENSE
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datasets:
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- gabrielchua/off-topic
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language:
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- en
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metrics:
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- roc_auc
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- f1
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- precision
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- recall
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base_model:
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- jinaai/jina-embeddings-v2-small-en
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# Off-Topic Classification Model
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## Performance
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We evaluated our fine-tuned models on synthetic data modelling system and user prompt pairs reflecting real world enterprise use cases of LLMs. The dataset is available [here](https://huggingface.co/datasets/gabrielchua/off-topic).
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| Approach | Model | ROC-AUC | F1 | Precision | Recall |
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|---------------------------------------|--------------------------------|---------|------|-----------|--------|
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| [Fine-tuned bi-encoder classifier](https://huggingface.co/govtech/jina-embeddings-v2-small-en-off-topic) | jina-embeddings-v2-small-en | 0.99 | 0.97 | 0.99 | 0.95 |
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| 👉 [Fine-tuned cross-encoder classifier](https://huggingface.co/govtech/stsb-roberta-base-off-topic) | stsb-roberta-base | 0.99 | 0.99 | 0.99 | 0.99 |
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| Pre-trained cross-encoder | stsb-roberta-base | 0.73 | 0.68 | 0.53 | 0.93 |
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| Prompt Engineering | GPT 4o (2024-08-06) | - | 0.95 | 0.94 | 0.97 |
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| Prompt Engineering | GPT 4o Mini (2024-07-18) | - | 0.91 | 0.85 | 0.91 |
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| Zero-shot Classification | GPT 4o Mini (2024-07-18) | 0.99 | 0.97 | 0.95 | 0.99 |
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Further evaluation results on additional synthetic and external datasets (e.g.,`JailbreakBench`, `HarmBench`, `TrustLLM`) are available in our [technical report](https://arxiv.org/abs/2411.12946).
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## Usage
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1. Clone this repository and install the required dependencies:
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