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two-stage-classification

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A two-stage deep learning pipeline that automatically classifies news articles into 6 categories and detects 12 AI ethics issues using TF-IDF, RoBERTa, and ONNX optimization. Achieves 81.7% F1-score on category classification and 79.8% on multi-label ethics detection across 26K+ articles. All the data is scraped from different portals.

  • Updated Jan 17, 2026
  • Jupyter Notebook

A robust news article classification system combining a two-stage editorial bias modeling strategy with transformer-based ensemble methods under noisy, real-world data conditions.

  • Updated Feb 5, 2026
  • Jupyter Notebook

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