Abstract
This chapter presents the use of Big Data analytics and data mining of social media (SM) for effective emergency management and its uses during different phases of disaster management processes. It draws attention to the basic concepts of SM (characters, type), Big Data (data mining and analytics), interlinks in SM, and disaster management. Some case studies are also narrated to show how Big Data and SM usages are helpful in preparedness, response, recovery, and mitigation phases to reduce the hazard, risk, and vulnerability of the affected communities. The uses of SM are now emergent and are used in all sectors right from individual citizens to non-government organizations, private sector, government stakeholders, and volunteering organizations for aiding in information communication or knowledge transfer during disaster situations. The power of SM has spanned new fields of research, which harness the power to arrive at instantaneous decisions which are needed in disaster situations. Big Data analytics thus provides a new tool that matches the speed with which disasters occur and thus aids in very quick decision-making. These technologies are beneficial for adaptation and can help communities to become more resilient.
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