[图书][B] Searchable talk: Hashtags and social media metadiscourse

M Zappavigna - 2018 - books.google.com
Metadata such as the hashtag is an important dimension of social media communication.
Despite its important role in practices such as curating, tagging, and searching content, there …

Taxonomy of the crisis and disaster literature: Themes and types in 34 years of research

S Kuipers, NH Welsh - Risk, Hazards & Crisis in Public Policy, 2017 - Wiley Online Library
This survey of the literature on crises and disasters reveals that crisis and disaster scholars
remain focused on 'classic'natural disaster types and on our ability to prepare and respond …

[HTML][HTML] Social media use in emergency management

C Wukich - Journal of Emergency Management, 2015 - wmpllc.org
Objective: To identify and illustrate the range of strategies and tactics available for
emergency managers using social media. Design: This study uses content analysis of more …

Closing the citizen-government communication gap: Content, audience, and network analysis of government tweets

C Wukich, I Mergel - Journal of Homeland Security and Emergency …, 2015 - degruyter.com
A key task in emergency management is the timely dissemination of information to decision
makers across different scales of operations, particularly to individual citizens. Incidents over …

A dynamic decision support system based on geographical information and mobile social networks: A model for tsunami risk mitigation in Padang, Indonesia

F Ai, LK Comfort, Y Dong, T Znati - Safety science, 2016 - Elsevier
In coastal cities, population and property are concentrated in small areas, with abundant
resources and convenient transportation, but also with potential tsunami risk, as shown by …

Deepfakes on Twitter: which actors control their spread?

J Perez Dasilva, K Meso Ayerdi… - Media and …, 2021 - ssoar.info
The term deepfake was first used in a Reddit post in 2017 to refer to videos manipulated
using artificial intelligence techniques and since then it is becoming easier to create such …

Negative consequences of information gatekeeping through algorithmic technologies: An Annual Review of Information Science and Technology (ARIST) paper

D Potnis, I Tahamtan… - Journal of the Association …, 2025 - Wiley Online Library
Rarely any study investigates how information gatekeeping through the solutions and
services enabled by algorithms, hereafter referred to as algorithmic technologies (AT) …

The new ecology of tornado warning information: A natural experiment assessing threat intensity and citizen‐to‐citizen information sharing

SE Robinson, JM Pudlo… - Public Administration …, 2019 - Wiley Online Library
The complexity of the modern information ecosystem raises many questions for public
organizations. In the context of emergency management, information (such as warning …

Social network analysis of nonprofits in disaster response: the case of Twitter during the COVID-19 pandemic in the United States

X Gong, S Peng, Y Lu, S Wang… - Social Science …, 2023 - journals.sagepub.com
The COVID-19 pandemic has created complex problems that require organizations to
collaborate within and across the sector line. Social media data can provide insights into …

How to Save Lives with Microblogs? Lessons From the Usage of Weibo for Requests for Medical Assistance During COVID-19

W Yang, Z Wu, NY Mok, X Ma - Proceedings of the 2022 CHI Conference …, 2022 - dl.acm.org
During recent crises like COVID-19, microblogging platforms have become popular
channels for affected people seeking assistance such as medical supplies and rescue …