During recent years, a great deal of attention has been focused on the financial risk management of natural disasters. One reason behind is that the economic losses from floods, windstorms, earthquakes and other disasters in both the developing and developed countries are escalating...

Decision-making in self-organized information systems such as online collaborative data production systems can be understood as an autonomous system beyond centralized power of nation-states and their various institutions, mediated by social media tools where crowd feedbacks are aggregated in a...