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A multi-stage pipeline blueprint combining document parsing, LLM extraction, validation, and human review.
This is an internal architectural blueprint designed by Veltrio to model best-practice AI document extraction pipelines. It is a reference architecture, not a specific client deployment.
Organizations receive high volumes of structured and semi-structured documents—invoices, contracts, reports, forms—that contain operational data which must be manually reviewed, re-entered into systems, or processed one at a time. This is a high-cost, error-prone workflow that does not scale with document volume.
This blueprint defines a multi-stage document processing pipeline. Documents are ingested, parsed into normalized text, and passed to an LLM extraction stage configured with a strict output schema. Extracted fields are validated against deterministic business rules. Validated records are written to the persistence layer. Records that fail validation or fall below a confidence threshold are routed to a human-in-the-loop review queue rather than silently discarded or auto-approved.
Ingestion
Parsing
Extraction & Validation
Routing & Persistence
Documents are uploaded, format-detected, and parsed into normalized plaintext. Tables and structured regions are preserved where possible.
Normalized text is submitted to an LLM with a schema-enforced extraction prompt. Output is parsed and field-level confidence is assessed.
Deterministic validation rules check extracted fields for type, range, required values, and cross-field consistency independent of the LLM.
Records that pass validation are written to PostgreSQL with an audit trail. Records below confidence threshold or failing validation enter the human review queue.
A document processing pipeline that reduces manual data extraction effort while maintaining a measurable accuracy threshold and a clear human oversight path for ambiguous documents.
Note: No performance metrics are listed. This is an architectural blueprint—outcomes are defined as design objectives, not measured results.
This blueprint represents the kind of system Veltrio designs and engineers. Let's scope your specific requirements.
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