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32199566COMPUTERR&DVol.32JuneNo.61995(,,100039)(.210016),,,,,,,,1,L.A.Zadeh196530,,,,,Zadeh,,,,,,,1.xx{x},x,:x,xX,;(x),;(x)o,1,xX~[o,lVxX,x~(x),:1.?2.,?:,*(x),8420.421,,,,19947,1944,1983,,,.,CIKDD1995!0.842/0.4212,,,!,,,,,:?,22.1,;,,,!,2X.X{x},X,x(x),x,X,X;,f,XX,Xxx,X,X,,,,,,,,:1.,32.,,,,,;,,,,:;,2.2,:N(x,b,a),xbrna,,1(,,)1.x:G(xx,/4)6:,2.b:,xb:(xxo)2(x)=e2.:3.::M(xx1b,~/4){{{----!!!)))xo3bxZbxobxoxo+bx+sx1,A(x=x,=l)B(x=x+3b,0.0111)0,,m.:o,:;;3(MembershipCloudsGeneratorMCG)(2),xb,,e(x,,;,xbIna,xb.,MCG~N(x,bZ,),M,(,,)~xM-~--~0.(a)(b)2,(3):(DN(x,bZ)(x)2(x)=2.:1995(2)e(x,(x,),,,xN(x,b,),N(,)(3)6,M~~,AB*~~.M,3b,MCG:.(l)x,bx;x~N(x,bZ)(2)x,bx:(xx0)2(x)2.24x3bxoZbx3x+B(x3,0.0111)~JXx,+3bMCG(3)(x,):(3.1)3bMAMBblbr:,bl,br/11l~.J1.J++,+(x),.(x)=e(xxo)22.2(3.2)(x,)::eerlsese|L6(4),1,,X,ZdX:N(,)(x,)6:4MCG,MCGMCG,[sj,,118N,(x,b,)(x~2.0,b~1.0,~0.04)410050010005000119N,(,b.,)(x=2.0,b=1.0,a~~0.)(x,p)x12.3892.6302.4340.1381.867l.l062.7792.829l.296l.8932.0850.6692.852l.8230.8400.8042.3351.35510.9260.8160.9110,1580.9910.6460.7320740077209940.9970.4760.6960.9840.5220.5050.9440.824Xl(a)100(b)500()10004(d)5000,,MCGD/A,MCGMCG,xxMCG,xxMCG5,201995(KnowledgeDiseoveryinDatabasesKDD)[,,,,,,,,MCG,MCGMCG,KDD1,.,1993,272277.[2]...3...4..,1987,l(l),16.s],,.,,1992,6869.[6RobertB.Cooper,IntroduetiontoQueueingTheory,1991,5152.7..,1994,15(l1),l6.MEMBERSHIPCLOUDSANDMEMBERSHIPCLOUDGENERATORSLiDeyi,MengHaijun,ShiXuemei.No61IostituteofGeneralstaff,Beijing,100039.NanjingCommunicatiEngineeringInstitute,210016AbstraetBasedonthemembershiPfunetionwhieh15thefoundationoffuzzysettheory,thenewideaofmembershipelouds15proposed.Themethodofdeseribingmembershipeloudsbyusingdigitaleharaeteristiesandthemathematiesmodelofnormalmembershipeloudsareglven,andtheimplementatioteehnique,ndpplieatiorea,fmembership10agenerator,rdiseussedinthispaper.Itmaybeawaytobridgethegapbetweenquantitativemethodologyandqualitativemethodologyinresearehonfuzzyphenomenoninbothsoeialandnaturalseienees.KeywordsMembershipelouds,expeetedvalue,bandwidth,standarderror,eloudgenerators.