| Artifact |
A file stored in the artifacts/ directory after ingestion, named using project and student metadata |
| BRF |
Braille Ready Format — the standard file format for digital braille |
| DAISY |
Digital Accessible Information System — an international standard for accessible e-books and digital talking books |
| Dublin Core |
A standard set of 15 metadata elements (title, creator, subject, etc.) used to describe digital resources |
| eBraille |
Digital braille content distributed as a file rather than embossed on paper |
| Embosser |
A device that prints braille by pressing raised dots into paper |
| EPUB3 |
The current version of the EPUB e-book standard, with native accessibility support |
| FTS5 |
SQLite's built-in Full-Text Search version 5 extension |
| Job |
A production work item (braille, large print, tactile graphic, or 3-D print) |
| Job type |
Category of job: braille, lp_ebraille, tactile, or print |
| Lineage |
The chain of relationships from source files through derivative outputs |
| METS |
Metadata Encoding and Transmission Standard — an XML framework for describing digital objects |
| PREMIS |
PREservation Metadata: Implementation Strategies — a standard for digital preservation metadata |
| Provenance |
The documented history of a file or job, including all transformations and events |
| SHA-256 |
Secure Hash Algorithm 256-bit — used as a fixity check on ingested files |
| Step |
A workflow milestone within a job (e.g. Digitized, Formatted, Delivered) |
| Student |
A person record that can be linked to jobs for cross-job production tracking |
| Tactile graphic |
A raised-line image produced by thermoforming, hand-tooling, or embossing |
| UEB |
Unified English Braille — the current braille code standard in English-speaking countries |
| WAL |
Write-Ahead Logging — a SQLite journal mode that improves concurrent access |