occuhealth: every value read twice, then checked
Scanned occupational-health files, about ten pages per employee, are classified page by page and extracted twice, independently. Arithmetic cross-checks catch confident misreads, and any field the two reads disagree on goes to a doctor. The result: 99.4% agreement at about $0.08 a file, with the model chosen by benchmarking several.
Read the occuhealth case study




