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README.md
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Biodiversity Commitment Specificity Classifier
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Model Overview
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This binary text classification model evaluates the specificity of biodiversity commitments in corporate sustainability reports. Designed as a second-stage classifier for paragraphs already identified as commitments, it distinguishes between:
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Specific: Commitments detailing concrete actions, measurable targets, clear strategies, or verifiable implementation plans
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Non-specific: Vague, ambiguous, or unverifiable commitment statements
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Model Architecture
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Built on ClimateBERT, a DistilRoBERTa-based model pre-trained on climate-related text, this classifier was fine-tuned to assess commitment specificity in corporate biodiversity disclosures.
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Training Data
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The model was trained on a curated dataset of 2,000 manually annotated paragraphs extracted from sustainability reports of Fortune Global 500 companies
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Performance Metrics
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Evaluated using 5-fold cross-validation:
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Weighted F1: 0.856 Weighted Precision: 0.891 Weighted Recall: 0.856 AUC-ROC: 0.922
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Pipeline Recommendation
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For optimal results, use this model in combination with our commitment detection model:
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Stage 1: Identify biodiversity-related commitments
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---
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| 4 |
Biodiversity Commitment Specificity Classifier
|
| 5 |
|
| 6 |
+
Model Overview:
|
| 7 |
This binary text classification model evaluates the specificity of biodiversity commitments in corporate sustainability reports. Designed as a second-stage classifier for paragraphs already identified as commitments, it distinguishes between:
|
| 8 |
|
| 9 |
Specific: Commitments detailing concrete actions, measurable targets, clear strategies, or verifiable implementation plans
|
| 10 |
|
| 11 |
Non-specific: Vague, ambiguous, or unverifiable commitment statements
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| 12 |
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| 13 |
+
Model Architecture:
|
| 14 |
Built on ClimateBERT, a DistilRoBERTa-based model pre-trained on climate-related text, this classifier was fine-tuned to assess commitment specificity in corporate biodiversity disclosures.
|
| 15 |
|
| 16 |
+
Training Data:
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The model was trained on a curated dataset of 2,000 manually annotated paragraphs extracted from sustainability reports of Fortune Global 500 companies
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| 18 |
|
| 19 |
+
Performance Metrics:
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Evaluated using 5-fold cross-validation:
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Weighted F1: 0.856 Weighted Precision: 0.891 Weighted Recall: 0.856 AUC-ROC: 0.922
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| 22 |
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+
Pipeline Recommendation:
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For optimal results, use this model in combination with our commitment detection model:
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| 25 |
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Stage 1: Identify biodiversity-related commitments
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