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1、RevisitingtheFoundationsofNetworkAnalysisCarterT.Butts,etal.Science325,414(2009);DOI:10.1126/science.1171022Thefollowingresourcesrelatedtothisarticleareavailableonlineatwww.sciencemag.org(thisinformationiscurrentasofJuly26,2009):Updatedinformationandservices,includi
2、nghigh-resolutionfigures,canbefoundintheonlineversionofthisarticleat:http://www.sciencemag.org/cgi/content/full/325/5939/414Thisarticlecites28articles,5ofwhichcanbeaccessedforfree:http://www.sciencemag.org/cgi/content/full/325/5939/414#otherarticlesThisarticleappear
3、sinthefollowingsubjectcollections:Sociologyhttp://www.sciencemag.org/cgi/collection/sociologyInformationaboutobtainingreprintsofthisarticleoraboutobtainingpermissiontoreproducethisarticleinwholeorinpartcanbefoundat:http://www.sciencemag.org/about/permissions.dtlonJu
4、ly26,2009www.sciencemag.orgDownloadedfromScience(printISSN0036-8075;onlineISSN1095-9203)ispublishedweekly,exceptthelastweekinDecember,bytheAmericanAssociationfortheAdvancementofScience,1200NewYorkAvenueNW,Washington,DC20005.Copyright2009bytheAmericanAssociationforth
5、eAdvancementofScience;allrightsreserved.ThetitleScienceisaregisteredtrademarkofAAAS.PushingNetworkstotheLimittomake.Thebiologist’smethodofdefiningpo-PERSPECTIVEtentialfeedingsiteswillgreatlyinfluencethestructureoftheinteractionnetwork.RevisitingtheFoundationsThebasi
6、cproblemisthedefinitionoftheclassofdistinctentitiesonwhichone’srelationofinterestwillbedefined.ThemereactofpositingofNetworkAnalysissuchaclass,ofcourse,smugglesinthetacitas-sumptionthatsuchaclasscanbedefined(andCarterT.Buttsmoreover,thatitisscientificallyusefultodos
7、o).ThechoiceofindividualhumansasnodesinNetworkanalysishasemergedasapowerfulwayofstudyingphenomenaasdiversestudiesoffriendship(11)orkinship(12)networksasinterpersonalinteraction,connectionsamongneurons,andthestructureoftheInternet.andtheuseofindividualpublicationsinc
8、itationAppropriateuseofnetworkanalysisdepends,however,onchoosingtherightnetworkstudies(13)areexamplesinwhichthisassump-representationforth
