centrality measures for disease transmission networks.

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1、SocialNetworks2119991±21.Centralitymeasuresfordiseasetransmissionnetworks)DavidC.Bell,JohnS.Atkinson,JerryW.CarlsonAffiliatedSystems,3104Edloe,Suite330;Houston,TX77027-6022,USAAbstractThispaperaddressestheissueoftheapplicabilityofvariousnetworkmeasure

2、sprovidedbyanalysisprogramssuchasUCINETfortheanalysisofadiseasetransmissionnetwork.Asimulationwasconductedto.estimateHIVtransmissionprobabilitieswithinanempiricalnetworkofcocaineinjectors.Theresultsofthesimulationwerethenusedasacriteriontoevaluatenetw

3、orkmeasuresofdiseasevulnerabilityandinfectivity.Theanalysisconcludesthat,forthetypeofdiseasetransmissionnetworkstudied,relativelysimpleego-net-work-basednetworkmeasurescanbeadequatetothemeasurementofvulnerabilitytodiseaseandinfectivity.q1999ElsevierSci

4、enceB.V.Allrightsreserved.1.IntroductionNetworkanalysishasbecomepopularinanumberofsocialsciencedisciplines.Thereis,however,asenseinwhichnetworkanalysishasbeendrivenmuchmorestronglybyitsmethodsthanbyitstheoriesMarsdenandLaumann,1984;Friedkin,1991.Someo

5、bservershavecautionedthatthetheoreticalconstructofaphenomenonof.interestoughttodeterminethemethodchosentomeasurethatphenomenonFriedkin,1991;Borgatti,1995.Thissoundadviceissupportedbythedisparateviewsonwhich.networkmeasuresare`best'Freeman,1979;Freeman

6、etal.,1980;KnokeandBurt,1983;Doreian,1986;Bolland,1988;StephensonandZelen,1989;Friedkin,1991.The.choiceofmethodcarrieswithitcertainimpliedtheoreticalassumptionsregardingtheprocessesoperatinginthenetworkunderinvestigation.Ifsuchunderlyingassumptionsrem

7、ainunrecognized,thereisarealdangerofmisinterpretation.Similarly,anobservedlackofconsensusonhownetworksshouldbeclassifiedBarnes,1972;Mitchell,1973;)Correspondingauthor.Tel.:q1-713-439-0210;Fax:q1-713-439-1924;E-mail:asc@phoenix.net0378-8733r99r$-seefro

8、ntmatterq1999ElsevierScienceB.V.Allrightsreserved.PII:S0378-87339800010-0.2D.C.Belletal.rSocialNetworks2119991±21()Turner,1991;Milardo,1992;Neaigusetal.,1994;WassermanandFaust,1994echoes.thediscordanceoftenfoundbetweentheoryandchoiceof