Rule-based vs LLM pipeline for extracting ESG KPIs (Scope 1 emissions, energy, water) from corporate sustainability PDFs. ClimateBERT + Docling + Claude / Gemini tool-use. F1 = 0.96 on 5 FY2025 reports.
nlp sustainability information-extraction gemini esg rag pdf-extraction llm anthropic docling climatebert
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May 9, 2026 - Python