Information Requirements

From Access Alerts

[edit] Information Requirements for Access to Emergency Alerts

The information model for a warning message should:

1. Be compatible with various transmission systems (TC, W3C)
2. Provide warning message details in text form (RB, TC)
3. Provide warning message details in audio form (RB, TC)
4. Provide warning message details in image or other visual form (RB, TC, W3C)
5. Provide warning message details in multiple languages (RB, TC)
6. Use multiple forms of presentation appropriate to the needs of individual recipients (W3C)
7. Make appropriate use of font size, foreground/background color and other visual attributes in image and text presentations (W3C)
8. Use appropriate language for comprehension by the at-risk audience (W3C)
9. Allow extension of the information format to meet future needs (TC)
10. Faciliate delivery of the message to all recipients through multiple channels (WG)

[edit] Sources of Requirements

• RB – Chapter Six of the NSTC “Red Book” report (“Effective Disaster Warnings”, National Science and Technology Council, November, 2000) http://www.incident.com/cap/docs/NDIS_rev_Oct27.pdf

• TC – OASIS Emergency Management Technical Committee warning format requirements, 2003 http://www.oasis-open.org/apps/org/workgroup/emergency-msg/download.php/4020/Requirements_5-5-03.doc

• W3C – World Wide Web Consortium (W3C) Web Content Accessibility Guidelines, http://www.w3.org/WAI/

• WG – WGBH/NCAM Access Alerts Working Group