计算机工程
計算機工程
계산궤공정
COMPUTER ENGINEERING
2010年
8期
91-92,95
,共3页
分类规则%报文匹配%离群属性
分類規則%報文匹配%離群屬性
분류규칙%보문필배%리군속성
classification rule%packet matching%outlier attribute
针对分类规则的预处理问题,提出离群属性检测分类算法.在报文分类规则属性域上计算离群属性子集,利用规则属性加权矢量计算加权距离,分析规则加权邻域的子空间离群影响因子,通过与离群因子阈值比较生成频繁匹配子集对规则进行预处理.实验结果表明,该算法能缩小后续报文的匹配范围,提高报文转发的匹配精度与速度.
針對分類規則的預處理問題,提齣離群屬性檢測分類算法.在報文分類規則屬性域上計算離群屬性子集,利用規則屬性加權矢量計算加權距離,分析規則加權鄰域的子空間離群影響因子,通過與離群因子閾值比較生成頻繁匹配子集對規則進行預處理.實驗結果錶明,該算法能縮小後續報文的匹配範圍,提高報文轉髮的匹配精度與速度.
침대분류규칙적예처리문제,제출리군속성검측분류산법.재보문분류규칙속성역상계산리군속성자집,이용규칙속성가권시량계산가권거리,분석규칙가권린역적자공간리군영향인자,통과여리군인자역치비교생성빈번필배자집대규칙진행예처리.실험결과표명,해산법능축소후속보문적필배범위,제고보문전발적필배정도여속도.
Aiming at the preprocessing problem for classification rule, this paper proposes outlier attribute detection classification algorithm. It accounts outlier attributes subspace on packet classification rule attribute, uses rule attribute weighted vector to calculate weighted distance, analyzes subspace outlier influence factor of rule weighted neighborhood area, and generates frequent matching subset by comparing with outlier factor threshold value. Experimental results show that this algorithm can shorten the matching rang of follow packet, enhance matching precision and speed of packet forwarding.