The ongoing rapid expansion of the Word Wide Web (WWW) greatly increases the
information of effective transmission from heterogeneous individuals to various systems …

Over the past two decades, decision-making in disaster risk management (DRM) has
evolved significantly. This has resulted in a re-focus from a predominantly top …

Social media platforms such as Twitter provide convenient ways to share and consume
important information during disasters and emergencies. Information from bystanders and …

From selfies and memes to hashtags and parodies, social media are used for mundane and
personal expressions of political commentary, engagement, and participation. The coverage …

The recent development of big data analytics (BDA) and the Internet of Things (IoT)
technologies create a huge opportunity for both disaster management systems and disaster …

What is the state of the research on crowdsourcing for policymaking? This article begins to
answer this question by collecting, categorizing, and situating an extensive body of the …

The immediacy of locational information requirements and importance of data currency for
natural disaster events highlights the value of volunteered geographic information (VGI) in …

Spatial technologies and the organizations around them, such as the Standby Task Force
and Ushahidi, are increasingly changing the ways crises and emergencies are addressed …

COVID-19 has emerged as a global pandemic caused by its highly transmissible nature
during the incubation period. In the absence of vaccination, containment is seen as the best …

There is a growing expectation that volunteers will have a greater role in disaster
management in the future compared to the past. This is driven largely by a growing focus on …