基于特征符号表示的网络异常流量检测算法
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展鹏,陈琳,曹鲁慧,李学庆
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Network traffic anomaly detection based on feature-based symbolic representation
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Peng ZHAN,Lin CHEN,Lu-hui CAO,Xue-qing LI
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| 表 2 字母表对平均局部异常因子的影响 |
| Tab.2 Influence of alphabet size on mean local outlier factor |
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| 字母表a | 子序列序号 | ζ | | 3 | 6 | 3.140 19 | | 3 | 155 | 1.762 07 | | 3 | 170 | 1.526 15 | | 3 | 154 | 1.508 26 | | 3 | 90 | 1.502 75 | | 4 | 6 | 3.136 91 | | 4 | 155 | 1.749 24 | | 4 | 170 | 1.515 72 | | 4 | 154 | 1.498 19 | | 4 | 90 | 1.487 92 | | 5 | 6 | 3.136 69 | | 5 | 155 | 1.751 35 | | 5 | 170 | 1.515 45 | | 5 | 154 | 1.498 19 | | 5 | 90 | 1.490 82 | | 6 | 6 | 3.134 31 | | 6 | 155 | 1.754 34 | | 6 | 170 | 1.508 86 | | 6 | 154 | 1.498 29 | | 6 | 90 | 1.483 71 |
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