为进一步提升网络入侵检测效果,提出一种融合FAST特征选择与自适应二进制量子引力搜索支持向量机的(FAST-ABQGSA-SVM)网络入侵检测算法。利用FAST算法过滤掉原始特征集中冗余无关的特征形成候选特征子集,基于组合优化策略采用自适应二...为进一步提升网络入侵检测效果,提出一种融合FAST特征选择与自适应二进制量子引力搜索支持向量机的(FAST-ABQGSA-SVM)网络入侵检测算法。利用FAST算法过滤掉原始特征集中冗余无关的特征形成候选特征子集,基于组合优化策略采用自适应二进制量子引力搜索算法对候选特征子集与SVM分类器参数进行组合优化。在ABQGSA反复学习寻优过程中,采取动态自适应波动式调整策略更新量子旋转角以平衡算法全局搜索能力和局部搜索能力;同时为提升算法的自适应变异能力,设计与进化程度及个体适应度值相关的自适应变异概率,当种群进化出现停滞时及时引入量子位离散交叉操作帮助种群摆脱局部极值。通过KDD CUP 99仿真实验表明,所提出的FAST-ABQGSA-SVM算法较其他同类型检测算法具有更好的鲁棒性、学习精度以及检测效果。展开更多
In data mining and machine learning,feature selection is a critical part of the process of selecting the optimal subset of features based on the target data.There are 2n potential feature subsets for every n features ...In data mining and machine learning,feature selection is a critical part of the process of selecting the optimal subset of features based on the target data.There are 2n potential feature subsets for every n features in a dataset,making it difficult to pick the best set of features using standard approaches.Consequently,in this research,a new metaheuristics-based feature selection technique based on an adaptive squirrel search optimization algorithm(ASSOA)has been proposed.When using metaheuristics to pick features,it is common for the selection of features to vary across runs,which can lead to instability.Because of this,we used the adaptive squirrel search to balance exploration and exploitation duties more evenly in the optimization process.For the selection of the best subset of features,we recommend using the binary ASSOA search strategy we developed before.According to the suggested approach,the number of features picked is reduced while maximizing classification accuracy.A ten-feature dataset from the University of California,Irvine(UCI)repository was used to test the proposed method’s performance vs.eleven other state-of-the-art approaches,including binary grey wolf optimization(bGWO),binary hybrid grey wolf and particle swarm optimization(bGWO-PSO),bPSO,binary stochastic fractal search(bSFS),binary whale optimization algorithm(bWOA),binary modified grey wolf optimization(bMGWO),binary multiverse optimization(bMVO),binary bowerbird optimization(bSBO),binary hybrid GWO and genetic algorithm 4028 CMC,2023,vol.74,no.2(bGWO-GA),binary firefly algorithm(bFA),and bGAmethods.Experimental results confirm the superiority and effectiveness of the proposed algorithm for solving the problem of feature selection.展开更多
针对联合作战环境下的装备资源精确保障协同规划问题,考虑以所有保障任务完成时间最短为目标,以保障任务的执行时序和资源需求、保障编组占用冲突,以及资源平台能力更新机制等复杂条件为约束,构建数学模型,提出了基于动态列表调度(Dynam...针对联合作战环境下的装备资源精确保障协同规划问题,考虑以所有保障任务完成时间最短为目标,以保障任务的执行时序和资源需求、保障编组占用冲突,以及资源平台能力更新机制等复杂条件为约束,构建数学模型,提出了基于动态列表调度(Dynamic List Scheduling,DLS)和自适应进化变异二进制蝙蝠算法(Adaptive Mutation Binary Bat Algorithm,AMBBA)的混合装备资源协同保障规划方法。通过动态列表调度选择当前执行保障的任务,在二进制蝙蝠算法寻优中引入自适应学习因子以平衡全局搜索和局部搜索能力,通过在当前可用资源集中搜索最优解为选定任务分配资源,以复杂地域联合作战为例仿真并验证规划效果,结果显示,所提方法可对大规模装备资源协同分配保障问题进行精确高效求解。展开更多
文摘为进一步提升网络入侵检测效果,提出一种融合FAST特征选择与自适应二进制量子引力搜索支持向量机的(FAST-ABQGSA-SVM)网络入侵检测算法。利用FAST算法过滤掉原始特征集中冗余无关的特征形成候选特征子集,基于组合优化策略采用自适应二进制量子引力搜索算法对候选特征子集与SVM分类器参数进行组合优化。在ABQGSA反复学习寻优过程中,采取动态自适应波动式调整策略更新量子旋转角以平衡算法全局搜索能力和局部搜索能力;同时为提升算法的自适应变异能力,设计与进化程度及个体适应度值相关的自适应变异概率,当种群进化出现停滞时及时引入量子位离散交叉操作帮助种群摆脱局部极值。通过KDD CUP 99仿真实验表明,所提出的FAST-ABQGSA-SVM算法较其他同类型检测算法具有更好的鲁棒性、学习精度以及检测效果。
文摘In data mining and machine learning,feature selection is a critical part of the process of selecting the optimal subset of features based on the target data.There are 2n potential feature subsets for every n features in a dataset,making it difficult to pick the best set of features using standard approaches.Consequently,in this research,a new metaheuristics-based feature selection technique based on an adaptive squirrel search optimization algorithm(ASSOA)has been proposed.When using metaheuristics to pick features,it is common for the selection of features to vary across runs,which can lead to instability.Because of this,we used the adaptive squirrel search to balance exploration and exploitation duties more evenly in the optimization process.For the selection of the best subset of features,we recommend using the binary ASSOA search strategy we developed before.According to the suggested approach,the number of features picked is reduced while maximizing classification accuracy.A ten-feature dataset from the University of California,Irvine(UCI)repository was used to test the proposed method’s performance vs.eleven other state-of-the-art approaches,including binary grey wolf optimization(bGWO),binary hybrid grey wolf and particle swarm optimization(bGWO-PSO),bPSO,binary stochastic fractal search(bSFS),binary whale optimization algorithm(bWOA),binary modified grey wolf optimization(bMGWO),binary multiverse optimization(bMVO),binary bowerbird optimization(bSBO),binary hybrid GWO and genetic algorithm 4028 CMC,2023,vol.74,no.2(bGWO-GA),binary firefly algorithm(bFA),and bGAmethods.Experimental results confirm the superiority and effectiveness of the proposed algorithm for solving the problem of feature selection.
文摘针对联合作战环境下的装备资源精确保障协同规划问题,考虑以所有保障任务完成时间最短为目标,以保障任务的执行时序和资源需求、保障编组占用冲突,以及资源平台能力更新机制等复杂条件为约束,构建数学模型,提出了基于动态列表调度(Dynamic List Scheduling,DLS)和自适应进化变异二进制蝙蝠算法(Adaptive Mutation Binary Bat Algorithm,AMBBA)的混合装备资源协同保障规划方法。通过动态列表调度选择当前执行保障的任务,在二进制蝙蝠算法寻优中引入自适应学习因子以平衡全局搜索和局部搜索能力,通过在当前可用资源集中搜索最优解为选定任务分配资源,以复杂地域联合作战为例仿真并验证规划效果,结果显示,所提方法可对大规模装备资源协同分配保障问题进行精确高效求解。
