This document crosswalks the accessibility metadata for Schema.org, EPUB, and ONIX.
The following table provides a crosswalk between the properties defined in the EPUB Accessibility specification [[EPUB-A11Y-11]] and the equivalents defined in the ONIX metadata standard [[ONIX]].
The conformsTo
term used in EPUB is drawn from Dublin
Core.
EPUB | ONIX |
---|---|
certifiedBy | – |
certifierReport | List: 196; Code: 94: Compliance web page for detailed accessibility information or, if a publisher is self-certifying, Code: 96: Publisher's web page for detailed accessibility information |
certifierCredential | – |
dcterms:conformsTo with the URL
http://www.idpf.org/epub/a11y/accessibility-20170105.html#wcag-a
|
List: 196; Code: 02: EPUB Accessibility Specification 1.0 A |
dcterms:conformsTo with the URL
http://www.idpf.org/epub/a11y/accessibility-20170105.html#wcag-aa
|
List: 196; Code: 03: EPUB Accessibility Specification 1.0 AA |
The following table provides a crosswalk between the Schema.org metadata and ONIX standard [[ONIX]].
Schema.org | ONIX |
---|---|
accessibilityFeature (vocabulary list follows) | List 196 (specific codes follow) |
alternativeText | List: 196; Code: 14: Short alternative descriptions |
annotations | – |
audioDescription | – |
bookmarks | N/A (Reading system feature) |
braille | – |
captions | – |
ChemML | List: 196; Code: 18: Accessible chem content |
describedMath | – |
displayTransformability | – |
highContrastAudio | – |
highContrastDisplay | – |
index | List: 196; Code: 12: Index navigation |
largePrint | – |
latex | – |
longDescription | List: 196; Code: 15: Full alternative descriptions; 16: Visualised data also available as non-graphical data |
MathML | List: 196; Code: 17: Accessible math content |
none | – |
printPageNumbers | List: 196; Code: 19: Print-equivalent page numbering |
readingOrder | List: 196; Code: 13: Reading order |
rubyAnnotations | – |
signLanguage | – |
structuralNavigation | – |
sychronizedAudioText | List: 196; Code: 20: Synchronised pre-recorded audio |
tableOfContents | List: 196; Code: 11: Table of contents navigation |
taggedPDF | – |
tactileGraphic | – |
tactileObject | – |
timingControl | – |
transcript | – |
ttsMarkup | List: 196; Code: 21: Text-to-speech hinting provided; 22: Language tagging provided |
unlocked | – |
– | List: 196; Code 22: Language tagging provided – helps with TTS in multi-lingual content |
– | List: 196; Code 24: Dyslexia readability |
– | List: 196; Code 09: Inaccessible |
– | List: 196; Code 10: No reading system accessibility options disabled |
accessibilityHazard (vocabulary list follows) | – |
flashing | – |
noFlashingHazard | – |
motionSimulation | – |
noMotionSimulationHazard | – |
sound | – |
noSoundHazard | – |
unknown | – |
accessibilityAPI (vocabulary list follows) | – |
AndroidAccessibility | – |
ARIA | – |
ATK | – |
AT-SPI | – |
BlackberryAccessibility | – |
iAccessible2 | – |
iOSAccessibility | – |
JavaAccessibility | – |
MacOSXAccessibility | – |
MSAA | – |
UIAutomation | – |
accessibilityControl (vocabulary list follows) | – |
fullKeyboardControl | – |
fullMouseControl | – |
fullSwitchControl | – |
fullTouchControl | – |
fullVideoControl | – |
fullVoiceControl | – |
accessMode (vocabulary list follows) | – |
auditory | – |
chartOnVisual | List: 81; Code 19: Figures, Diagrams, Charts |
chemOnVisual | – |
colorDependent | – |
diagramOnVisual | List: 81; Code 19: Figures, Diagrams, Charts |
mathOnVisual | – |
musicOnVisual | – |
tactile | – |
textOnVisual | – |
textual | List: 81; Code: 10 combined with List: 196; Code: 10 means all text is actual text. Note that List: 81; Code: 10 on its own (without List: 196; Code: 10) admits the possibility that the "text" is inaccessible because it is an image of text. |
visual | List: 81; Code: 07: Still images / graphics or Code: 18: Photographs or Code: 19: Figures, diagrams, charts, graphs or Code: 12: Maps and/or other cartographic content |
accessModeSufficient (vocabulary list follows) | ONIX crosswalks are for instances where accessModeSufficient includes this vocabulary entry alone; combinations may occur but are more difficult to crosswalk |
auditory | List: 81; Code:01 |
tactile | – |
textual | List: 81; Code: 10 combined with List: 196; Code: 10 means all text is actual text. Note that List: 81; Code: 10 on its own (without List: 196; Code: 10) admits the possibility that the "text" is inaccessible because it is an image of text. |
visual | – |
accessibilitySummary | List: 196; Code: 00: Accessibility Summary |
Human-readable text | If present, include information from List: 196; Codes 95, 96, 98, and 99 (links for further information about accessibility) |