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Rethinking the Future of Wireless Emergency Alerts: A Comprehensive Study of Technical and Conceptual Improvements

Published: 05 July 2018 Publication History

Abstract

The Wireless Emergency Alerting (WEA) service is a standards-based transport and presentation channel used nationwide in the United States. The service can deliver short text warnings to wireless subscribers through a cell broadcast mechanism. For emergency situations in which a broadcast modality and a single, short text message are sufficient to convey information, the WEA service can be efficient and effective. However, the content to be delivered may necessitate more than a single, unchanging short message. In this research, we first examine the WEA service from the perspective of alert originators. We then use the insights gained to explore the efficacy of a range of potential extensions to the service. The extensions mainly address the importance of user context and the ability to create awareness through careful attention to the integrity of the vital information. We evaluated these extensions using a WEA emulation testbed in two public usability trials. We present an analysis of the broad range of improvements as a basis for further research into improving the service. We conclude that (1) precise geo-targeting augmented with location information and maps is an important aspect of capturing users' context, and (2) presenting information in a digested form can markedly improve the actionability and the accuracy of interpretation.

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  • (2024)Accelerating the use of mobile phone capabilities to maximise the effectiveness of public emergency alerts in South AfricaProceedings of the 17th International Conference on Theory and Practice of Electronic Governance10.1145/3680127.3680144(75-80)Online publication date: 1-Oct-2024
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Published In

cover image Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies  Volume 2, Issue 2
June 2018
741 pages
EISSN:2474-9567
DOI:10.1145/3236498
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 05 July 2018
Accepted: 01 April 2018
Revised: 01 April 2018
Received: 01 November 2017
Published in IMWUT Volume 2, Issue 2

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Author Tags

  1. Context awareness
  2. Emergency alerting
  3. Mobile emergency systems
  4. Wireless Emergency Alerts

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  • Research-article
  • Research
  • Refereed

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  • Department of Homeland Security, Science and Technology Directorate, First Responders Group

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Cited By

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  • (2024)Accelerating the use of mobile phone capabilities to maximise the effectiveness of public emergency alerts in South AfricaProceedings of the 17th International Conference on Theory and Practice of Electronic Governance10.1145/3680127.3680144(75-80)Online publication date: 1-Oct-2024
  • (2023)Getting the Residents’ Attention: The Perception of Warning Channels in Smart Home Warning SystemsProceedings of the 2023 ACM Designing Interactive Systems Conference10.1145/3563657.3596076(1114-1127)Online publication date: 10-Jul-2023
  • (2023)A decade of wireless emergency alerts: A longitudinal assessment of message content and completenessJournal of Contingencies and Crisis Management10.1111/1468-5973.12518Online publication date: 27-Nov-2023
  • (2023)Latency and geofence testing of wireless emergency alerts intended for the ShakeAlert® earthquake early warning system for the West Coast of the United States of AmericaSafety Science10.1016/j.ssci.2022.105898157(105898)Online publication date: Jan-2023
  • (2022)Keeping Our Heads above Water: An Exploratory Study on the Equity Opportunities of Coastal Virginia Wireless Emergency AlertsCivilEng10.3390/civileng30200233:2(385-399)Online publication date: 8-May-2022
  • (2022)Wireless emergency alerts: Public understanding, trust, and preferences following the 2021 US nationwide testJournal of Contingencies and Crisis Management10.1111/1468-5973.1243831:2(273-288)Online publication date: 23-Nov-2022
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  • (2018)OpenAlertsProceedings of the 2018 ACM International Joint Conference and 2018 International Symposium on Pervasive and Ubiquitous Computing and Wearable Computers10.1145/3267305.3274115(1250-1255)Online publication date: 8-Oct-2018

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