Role of social media in knowledge management during natural disaster management

This paper focuses on the study of social media's knowledge management in natural disaster response by the analysis of the literature in the field of disaster management. There are two cases in this paper: Wenchuan's earthquake in 2008 and Haiti's earthquake in 2010. Firstly, social media's advantages of knowledge management in natural disaster response were analyzed through the following aspects: knowledge timeliness, widespread of subjects, efficiency of knowledge sharing, etc. Then, social media's action mechanism of knowledge management facing disaster was studied. Thirdly, the challenge of social media's knowledge management in disaster response was also evaluated from knowledge reality and security, classified storage of information and so on. Systemic framework of knowledge management on the basis of social media's knowledge management in disaster response was built, including user module, knowledge module, function module...and the operation process of this system was described.