基于時(shí)間線的事件組織與摘要技術(shù)的研究與應(yīng)用.pdf

1、浙江大學(xué)碩士學(xué)位論文基于時(shí)間線的事件組織與摘要技術(shù)的研究與應(yīng)用姓名：李輝申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：卜佳俊；王燦201203浙江大學(xué)碩上學(xué)位論文AbstractAbstractIntheInteracteraofinformationexplosion，newsinformationisconvenient，andupdatespeedisfasterandfasterWhenanimportanteventOccu

2、rs，alargenumberofnewsreportsandfollow—upreportswillemergeTotheuser，howtOfindeventsofinterestandcanquicklyunderstandtheinformationcontainedintheeventhasbecomeurgenttOsolveEventsgenerallychangeovertime，whichcontainsanumber

3、ofstagesofdevelopment，andfindoutthedevelopmentvenationoftheeventtOhelpusersquicklyunderstandthehistoryofthematterInthisthesis，doaresearchoffindingoutthedevelopmentvenationofimportanteventsanddisplayingeventinformationAnd

4、proposeatimeline—basedeventsorganizationandsummarizationtechnologyTheworksarethefollowing：FirstlyIproposeatimelinebasedeventorganizationalgorithmUsekeywordsprovidedbytheuserinterestedinretrievingthenews，throughthecluster

5、ingalgorithmtofindouttheimportantnewsevents，andfindoutthedevelopmentvenationoftheeventthroughthedistributionofnewsreportsbasedonthetimelineThetimelinessofnewstoensuresthatwhenthereisasignificantdevelopment，oftenintensive

6、followupreportswillappearthennewsreportsonthetimelineofeventsaggregateddistributionwouldrepresentasignificantstageofdevelopmentByorderofthetimelinetoorganizethesestagesofdevelopment，andbuildthedevelopmentvenationoftheeve

7、ntSecondlyproposeatimelinebasedeventsummarizationalgorithmThealgorithmtakesintoaccountthedevelopmentofeventsovertime—linecharacteristicsofeachstageofdevelopmentmustgenerateaseparatesummaryProposedamodelofhistoricalconten

8、tfilterandcomprehensiveundirectedsentencegraphmodelandimportantsentencemodeltoscoreeachsentenceSincetheimportanceofeachstageofdevelopmentisnotthesame，accordingtoanimportantdegreeselecttheappropriatenumberofnewsforeachsta