Engineering guide
For scanned PDF ingestion for a knowledge base, use the sequence below to retain reproducible inputs, actions and exception evidence. This is an implementation method; actual interface names, commands and parameters depend on the target device and version documentation.
Implementation and exception checks
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| Step | Action and evidence | Exception handling |
|---|---|---|
| Freeze originals | Record file identity, version, checksum and page count | Create a new version for a replacement file to preserve reference identity |
| Map pages and fragments | Store physical page index, printed page label and fragment identity separately | Document the index origin and retain a page reference for each cross-page fragment |
| Test navigation and invalid references | Check that a retrieved fragment opens the correct original page and version | Disclose page-level fallback when coordinates are absent and reject access after deletion |
What inputs are needed before starting?
De-identified scans, sample OCR output, fixed test questions, a permissions matrix and deployment conditions. Check document versions and availability first and retain missing items as unresolved inputs.
How should delivery and acceptance be defined?
Use fixed file versions to test normal, failed and cross-page content, updates, deletions and denied access; retain the reference path. Passing ingestion and source-reference checks does not establish answer accuracy; test retrieval, access control and generated answers separately.
Enterprises in Beijing, China, can submit these inputs for remote review. Agree prototype integration, sample shipment, site work and associated costs for the specific project.
Review the service scope and submit the project inputs before agreeing on development and delivery. Original Chinese service scope
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