Why PDF Extraction Is Harder Than It Looks
PDF extraction fails in production because business documents are not clean text. They carry layout, tables, repeated fields, scans, conflicts, and evidence requirements.
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Tag
AI Engineering
PolicyTrace Conflict and Arbitration: When Source Documents Disagree
How PolicyTrace handles disagreement between source documents with deterministic authority rules, conflict entries, evidence-backed review, and reviewer-visible arbitration.
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PolicyTrace Evidence and Provenance: Why JSON Is Not Enough
How PolicyTrace turns extracted insurance fields into reviewable evidence with hidden field citations, Docling geometry, provenance matching, PDF highlights, and reviewer-visible source context.
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PolicyTrace Prompt Design: From PDF Text to Reviewable Evidence
How PolicyTrace designs prompts as one bounded layer in a reviewable Document AI system: document classification, specialist extraction, typed outputs, field citations, and evaluation gates.
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Evaluating PolicyTrace: Golden Examples, Conflicts, and Review Outcomes
How I would evaluate PolicyTrace beyond simple accuracy: golden examples, conflict fixtures, provenance checks, review outcomes, regression gates, and operational metrics.
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What I Would Improve Before Taking PolicyTrace to Production
A production hardening roadmap for PolicyTrace: authentication, durable storage, background jobs, audit trails, evaluation, monitoring, retention, and operational ownership.
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Deploying PolicyTrace with GitHub, Docker, and Hugging Face Spaces
How PolicyTrace packages a FastAPI backend and React review UI into one Docker app for a Hugging Face Space, and what still separates a public demo from production deployment.
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Designing the Human Review Loop for AI Extraction
How PolicyTrace turns extraction into a reviewer workflow with split-screen PDF evidence, field highlighting, confidence signals, verification, flags, and overrides.
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The Golden Record Problem
How PolicyTrace turns overlapping insurance PDFs into a reviewable Golden Record by separating extraction from arbitration, conflict handling, evidence, and human review.
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Evaluation Is an Engineering Problem
Why AI evaluation is not a report card after launch, but a design constraint from day one.
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AI Systems Need Evidence, Not Just Outputs
A practical framework for making AI outputs reviewable, traceable, and trustworthy in real workflows.
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PolicyTrace
A Document AI workflow for UK motor insurance PDFs, with structured extraction, provenance, conflict resolution, and human review.
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