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[Social media in crisis management has become an important research topic. Since the terrorist attacks of 9/11, the use of social media in emergency and crisis situations has greatly increased. Particularly in the period from 2007 until today, many studies have concentrated on the use of ICT and social media before, during, or after numerous emergencies and crises. These studies are sometimes summarised under the term crisis informatics. In conferences like the International Conference on Information Systems for Crisis Response and Management (ISCRAM), many papers deal with social media from various perspectives and major journals in HCI and other fields publish related special issues. This chapter reviews research focused on the use of social media in emergencies since 2001, trying to look at case studies of social media use in emergencies, on types of research in crisis informatics, as well as forms of interaction that have been researched. The purpose of this chapter is to review the crisis informatics research literature, report trends, summarise the achievements and offer a perspective on the future of this research. We begin with an overview of the many case studies of social media use in emergencies. Many crisis informatics studies focus on specific events, such as 2011 London riots, 2012 Hurricane Sandy, the 2013 European floods, 2017 Manchester bombing or the COVID-19 pandemic. We provide a sample of the many different kinds of events that have been studied and summarise trends across these events. Next, we examine the different types of research that can be found in the crisis informatics literature with the aim of helping the reader understand the most common approaches to research in this area. We then break down the literature by the different types of interaction studied and derive use patterns. Finally, we discuss research gaps.]
Published: Nov 13, 2022
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