abd8433/TRAK-fake-Detection-roberta

Model Card for Fake News Detection Model

Model Summary

This is a fine-tuned RoBERTA model for fake news detection. It classifies news articles as either real or fake based on textual content. The model has been trained on a labeled dataset consisting of true and false news articles collected from various sources.

Model Details

Model Description

• Developed by: abd8433
• Finetuned from: Roberta-base-uncased
• Language: English
• Model type: Transformer-based text classification model
• License: MIT
• Intended Use: Fake news detection on social media and news websites

Model Sources

• Repository: Hugging Face Model Hub
• Paper (if applicable): N/A
• Demo (if applicable): N/A

Uses

Direct Use

• This model can be used to detect whether a given news article is real or fake.
• It can be integrated into fact-checking platforms, misinformation detection systems, and social media moderation tools.

Downstream Use

• Can be further fine-tuned on domain-specific fake news datasets.
• Useful for media companies, journalists, and researchers studying misinformation.

Out-of-Scope Use

• This model is not designed for generating news content.
• It may not work well for languages other than English.
• Not suitable for fact-checking complex claims requiring external knowledge.

Bias, Risks, and Limitations

Risks

• The model may be biased towards certain topics, sources, or writing styles based on the dataset used for training.
• There is a possibility of false positives (real news misclassified as fake) or false negatives (fake news classified as real).
• Model performance can degrade on out-of-distribution samples.

Recommendations

• Users should not rely solely on this model for determining truthfulness.
• It is recommended to use human verification and cross-check information from multiple sources.

How to Use the Model

Training Details

Training Data

The model was trained on a dataset consisting of news articles labeled as real or fake. The dataset includes information from reputable sources and misinformation websites.

Training Procedure

• Preprocessing:

  • Tokenization using RoBertaTokenizerFast
  • Removal of stop words and punctuation
  • Converting text to lowercase

• Training Configuration:

  • Model: Roberta-base-uncased
  • Optimizer: AdamW
  • Batch size: 16
  • Epochs: 3
  • Learning rate: 2e-5

Compute Resources

• Hardware: NVIDIA Tesla T4 (Google Colab)
• Training Time: ~2 hours

Evaluation

Testing Data

• The model was evaluated on a held-out test set of 10,000 news articles.

Metrics

• Accuracy: 92%
• F1 Score: 90%
• Precision: 91%
• Recall: 89%

Results

Metric	Score
Accuracy	92%
F1 Score	90%
Precision	91%
Recall	89%

Environmental Impact

• Hardware Used: NVIDIA Tesla T4
• Total Compute Time: ~2 hours
• Carbon Emissions: Estimated using the ML Impact Calculator

Technical Specifications

Model Architecture

• The model is based on Roberta, a lightweight transformer architecture that reduces computation while retaining accuracy.

Dependencies

• transformers
• torch
• datasets
• scikit-learn