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Breaking AI Boundaries: Fairness Metrics in Unstructured Data Domains
Explore advanced techniques for evaluating AI fairness in unstructured data, from feature extraction to interactive analysis tools and mitigation strategies for real-world applications.
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Unstructured data (images, audio, text) requires different approaches for fairness evaluation compared to structured/tabular data
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Key components for evaluating model fairness:
- Finding meaningful data subgroups/clusters
- Measuring model performance across different groups
- Interactive analysis of results
- Automated detection of potential issues
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Two main approaches for analyzing unstructured data:
- Model embeddings (using pre-trained models)
- Extracting interpretable features (age, gender, etc.)
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Recommended workflow:
- Generate data representations
- Apply dimensionality reduction (PCA, UMAP)
- Use hierarchical clustering
- Measure metrics across clusters
- Analyze problematic clusters interactively
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Tools mentioned:
- SliceGuard: Automated detection of problematic data slices
- Spotlight: Interactive data exploration
- Hugging Face Model Hub: Pre-trained models
- EffectNet: Feature extraction
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Fairness considerations extend beyond human-centric applications to industrial use cases (automotive testing, machine maintenance)
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Interactive analysis is crucial for:
- Understanding why models fail
- Finding patterns in problematic clusters
- Getting actionable insights for improvement
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Mitigation strategies are highly use-case specific and may include:
- Data rebalancing
- Label correction
- Additional data collection
- Model adjustments
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Challenges include:
- Reliable feature extraction
- Bias in initial representations
- Time-consuming analysis process
- Interpretation of large datasets