摘要
为分析海盗袭击事件的影响因素,减少海盗袭击事件的发生,保障海上运输安全,引入贝叶斯网络理论,利用期望最大化(Expectation Maximization,EM)算法和联合树推理算法构建海盗袭击事件分析模型。根据东南亚海域海盗袭击事件的实际数据获得贝叶斯网络(Bayesian Networks, BN)结构各节点之间的概率依赖关系,并对海盗袭击成功节点进行敏感性分析。分析结果表明:外界环境、船舶自身风险和时间是影响海盗袭击事件发生的主要因素。
The Bayesian network theory is introduced to analyze the influencing factors of the pirate attacks. The analytic model of piracy attacks is established. The EM(Expectation Maximization) algorithm and the joint tree algorithm are used for determining the structure parameters and conducting sensitivity analysis. Case study for Southeast Asian sea area shows that those nodes of external environment, ship’s own risk and time are of the most significances with regard to the influences on the probability nodes of piracy attacks.
作者
蒋美芝
吕靖
王爽
JIANG Meizhi;LYU Jing;WANG Shuang(College of Transportation Engineering,Dalian Maritime University,Dalian 116026,China)
出处
《中国航海》
CSCD
北大核心
2019年第2期87-92,共6页
Navigation of China
基金
国家自然科学基金(71473023)
中央高校基本科研业务费专项资金(3132016359)
教育部人文社会科学规划基金(16YJAZH030)
关键词
水路运输
海运安全
贝叶斯网络
敏感性分析
海盗袭击
期望最大化算法
联合树算法
waterway transportation
maritime safety
Bayesian network
sensitivity analysis
piracy attack
EM algorithm
joint tree algorithm