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第1期 王立敏等:基于最小社团链接度增量的社团结构挖掘算法 ,117, [5]Radicchi F.Castellano C.Cecconi F,et al.Defining and identify- 4结论 ing communities in networks.Proc Natl Acad Sci USA,2004. 101(9):2658 尽管目前有许多关于挖掘网络社团结构的算 [6]Girvan M.New man M E J.Community structure in social and 法,但是这些算法都需要知道网络的整体结构,而对 biological networks.Proe Natl Acad Sci USA,2002.99(2): 于规模庞大而且不断变化的网络(例如万维网)很难 7821 充分了解它的整体结构,此外,在实际应用中,在某 [7]Newman M E J.Mixing patterns in networks.Phys Reo E. 些情况下只是想了解网络的局部社团结构,本文提 2003,67(2):026126 出衡量局部社团结构的数量化指标一局部社团外 [8]Duch J.Arenas A.Community detection in complex networks us- ing extreme optimization.Phys Rev E.2005.72(2):027104 部链接度,以及给出一种挖掘局部社团结构的算法, [9]Wang X T,Chen G R.Lu HT.A very fast algorithm for detect- 可以很好地解决上述问题,本算法的时间复杂度为 ing community structures in complex networks.Phys A.2007. O(kd),其中d为网络的平均节点度数,k为社团 384(2):667 成员数;但搜索社团成员的正确率较Clauset算法略差 [10]Clsuet A.Newman M E J.Cristopher M.Finding community structure in very large network.Phys Rev E.2004.70(6): 066111 参考文献 [11]Xu X W,Yuruk N.Feng Z D,et al.Scan:a structural cluster- [1]Spirin V,Mirny L A.Protein complexes and functional modules ing algorithm for networks/Proceedings of the 13th ACM in molecular networks.Proc Natl Acad Sci USA,2003,100 SIGKDD international Conference on Know ledge Discovery and (21):12123 Data Mining-New York:KDD '07 ACM.2007:824.DOI [2]Newman M E J.Girvan M.Finding and evaluating community =http:∥doi~acm-org/10.1145/1281192.1281280 structure in network.Phys Rev E.2004.69(2):026113 [12]Bagrow JP.Bollt E M.A local method for detecting communi- [3]Wilkinson D M.Huberman B A.A method for finding communi- ties.Phys Rev E,2005,72(4):046108 ty of related genes.Proc Natl Acad Sci USA,2004,101 (Suppl [13]Clauset A.Finding local community structure in networks.Phys 1):5241 RewE,2005,72(2):026132 [4]Gieiser P,Danon L.Community structure in jazz.Ade Complex [14]Zachary WW.An information flow model for conflict and fission S,2003,6(4):565 in small group.JAnthropol Res,1977.33(4):4524 结论 尽管目前有许多关于挖掘网络社团结构的算 法‚但是这些算法都需要知道网络的整体结构‚而对 于规模庞大而且不断变化的网络(例如万维网)很难 充分了解它的整体结构.此外‚在实际应用中‚在某 些情况下只是想了解网络的局部社团结构.本文提 出衡量局部社团结构的数量化指标———局部社团外 部链接度‚以及给出一种挖掘局部社团结构的算法‚ 可以很好地解决上述问题.本算法的时间复杂度为 O( kd)‚其中 d 为网络的平均节点度数‚k 为社团 成员数;但搜索社团成员的正确率较Clauset 算法略差. 参 考 文 献 [1] Spirin V‚Mirny L A.Protein complexes and functional modules in molecular networks.Proc Natl Acad Sci USA‚2003‚100 (21):12123 [2] Newman M E J‚Girvan M.Finding and evaluating community structure in network.Phys Rev E‚2004‚69(2):026113 [3] Wilkinson D M‚Huberman B A.A method for finding communi￾ty of related genes.Proc Natl Acad Sci USA‚2004‚101(Suppl 1):5241 [4] Gieiser P‚Danon L.Community structure in jazz.A dv Complex Syst‚2003‚6(4):565 [5] Radicchi F‚Castellano C‚Cecconi F‚et al.Defining and identify￾ing communities in networks.Proc Natl Acad Sci USA‚2004‚ 101(9):2658 [6] Girvan M‚Newman M E J.Community structure in social and biological networks.Proc Natl Acad Sci USA‚2002‚99(2): 7821 [7] Newman M E J.Mixing patterns in networks.Phys Rev E‚ 2003‚67(2):026126 [8] Duch J‚Arenas A.Community detection in complex networks us￾ing extreme optimization.Phys Rev E‚2005‚72(2):027104 [9] Wang X T‚Chen G R‚Lu H T.A very fast algorithm for detect￾ing community structures in complex networks.Phys A‚2007‚ 384(2):667 [10] Clsuet A‚Newman M E J‚Cristopher M.Finding community structure in very large network.Phys Rev E‚2004‚70(6): 066111 [11] Xu X W‚Yuruk N‚Feng Z D‚et al.Scan:a structural cluster￾ing algorithm for networks ∥ Proceedings of the 13th ACM SIGKDD international Conference on Knowledge Discovery and Data Mining.New York:KDD ’07ACM‚2007:824.DOI =http:∥doi.acm.org/10.1145/1281192.1281280 [12] Bagrow J P‚Bollt E M.A local method for detecting communi￾ties.Phys Rev E‚2005‚72(4):046108 [13] Clauset A.Finding local community structure in networks.Phys Rev E‚2005‚72(2):026132 [14] Zachary W W.An information flow model for conflict and fission in small group.J A nthropol Res‚1977‚33(4):452 第1期 王立敏等: 基于最小社团链接度增量的社团结构挖掘算法 ·117·
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