基于引文鏈的知識(shí)元挖掘方法研究.pdf

1、西安電子科技大學(xué)碩士學(xué)位論文基于引文鏈的知識(shí)元挖掘方法研究姓名：趙火軍申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：情報(bào)學(xué)指導(dǎo)教師：溫有奎20090101AbstractKnowledgcuIlitsinaliteratureisimplied，觚dthereisnouIlifo肌staIldard，howt0de丘nea11daccIllatelyeXtracttllehowledge11IlitswllichimplyiIlalit咖isbeComing

2、increasin舀yatopicbyrese孤cherS，itisalso孤iIIlportantrese融directionindoingtextmining111ispaperadoptsmemethodofcitationrcleVancet0ex仃actknowledgcdeIll跚tsinlitera白lresbaseoncitationchaill’itcallb)，passnlemreSholdoflitemture鋤d

3、grode印intoint鋤a11iteraturet0assessthestructurcofthecont饑ts，somatitc鋤improvemed印minassessing1iteraturcs丘。omtraditionalregarding1iteraturcS嬲ullittoreg莉ingknowledgeel啪耐sofliteratllres雒ullitFirst仳spapersu加m撕zesthepres鉍ts油ati

4、oninthisjficldathome孤da：broad，鋤alyzesthcmleofcitationi11dcx黝dextractsthecharact嘶sticsenteIlcesofrclatedpape體，t11饑eXtractsthecharact耐sticsentellcesofcorrespondingref概髓acoordingt0sentencesimil撕鉀calculation，respectivelystor

5、edint、jl，odatabasetablesSecondextractsthetriplesofmecharacteristicsentencesacC0rdingtocustommlesandexpressesthelIlbyontolo鼢alsespectiVclystoredin研odatabasetabl鸛nirdthisp印erprcsentsamethodofOntolo科simil耐tycalCulationbased

6、ondoubleweight，forcomp撕ngthesimil撕tyofl(110wledgeelemelltsinscientificliteratures鋤dcorrespondingretereIlccsFourth西ves鋤illustrationbyspecificeX鋤plesaccordingtomeaboVementionedst印sand百vesouttheresultsLaStⅡlispapersun蛐撕zesm

7、elIlnoVatlonwork，鋤alyzesthedeficienciesinthisp印eraIlddiscussesmefIlm】reofworkThei11Ilovationworkaremainlyabout：(1)ThispaperpresentsamemodotminingaIldrelating1(Ilowledgeel鋤entbasedoncitationchain，improVingthedeficiencieso

8、fevaluatingascientificlit蹦曲re勰aunitinthepast；(2)Tllisp印erpreseIltsamethodofOntologysimilaritycalculationbasedondoubleweight，itcall風(fēng)taIldaccuratelycalculatethesimil撕tyofl(Ilowledgee1鋤entsinsclentltlcliteratllIesarldcorres