[Source](https://sheaf.us/documents-scoreboards.html)

Evals

# Document scoreboards

Evals of what is done with a document once its pages are read: cutting a file into documents, naming each one, reading its values.

## The scoreboards

| Scoreboard | What it measures | Created | Updated |
| --- | --- | --- | --- |
| [Split, Classify and Extract](scoreboard-split-classify-extract.md) | How each text model cuts a file into documents, names each one and reads its values, with what it costs. | Oct 15 2026 | — |

## Recent changes

## Glossary

| Term | Definition |
| --- | --- |
| OCR | Optical character recognition: reading the text, tables and marks of a page from its image or PDF. |
| engine | An OCR product or model that reads a page and returns its text, such as Mistral OCR, Landing AI or Reducto. |
| block | One part of a page as an engine returns it: a paragraph, a table, a heading or a figure. |
| bounding box | The rectangle that marks where something is printed on the page. |
| table cell | One value of a table, where a row and a column meet. |
| form field | A label on a form and the value written for it. |
| grounding | Linking each value of a reading to its bounding box on the page. |
| ground truth | The correct answers for a page, one fact per value, checkbox, choice or signature. Every reading is scored against them. |
| test set | The pages a scoreboard is measured on, with their ground truth. |
| grader | The program or model that compares a reading with the ground truth and counts what is right. |