11. Calls upon States, the United Nations and other relevant actors, as appropriate, to assist in addressing knowledge gaps in disaster management and risk reduction by identifying ways of improving systems and networks for the collection and analysis of information on disasters, vulnerability and risk to facilitate informed decision-making;
11. 吁请各国、联合国和适当时其他相关行动者协助填补管理灾害和减少风险方面的知识空白，确定如何改进收集和分析灾害、脆弱性和风险方面资料的系统和网络，以便作出知情的决策；