[硕士论文] 垂直搜索引擎的设计与实现(3)
发布时间:2021-06-07
发布时间:2021-06-07
[硕士论文] 垂直搜索引擎的设计与实现
西北工业大学硕士学位论文Abstract
Abstract
Withthepfeval锄ccofthenetworkapplications,theInteracthasbcc0蚰ea
∞wicenetworkprovidingmassinformation,whichincludesvariousinformationresourcesandsitesdistributedall
webuserovertheworld.Thesearchengineisupakindofsearchtoolshelpingtolookinformation.Itcollectsandseeks
information
information
andmassintheInteractwithcertainstrategiesandprovidesretrievalserviceandnavigationOnthebasisofextracting、organizinganddealingwiththeinformation.The
Withcharacteristicsofthegeneralenginemelarge—scaleindexdatabaseretrievalresultdata..thedevelopmentofdisparateinformation,the
ageneralsearchenginecan'tmeetthetopiccustomers.Thecustomersneedparticularsubject-orientedtechnique
toobtainandmethod,which
sometopic.By
emergeatthisisaccurate,all—sidedandupdatedtimelyresourcesaboutthepromotionofthiskindofdemandstheverticalsearchenginebackground.
Thethesisstudiedtherelatedtechniqueofthe
architectureoftheverticalsearchenginebasedsearchonengine,designedthesystemanalyzingthetraditionalsystemstructureofthesearchengine.Inthisarticle,somekeytechniquesinvolvedinthesearchenginesuchasweb
arecrawler,informationextraction,Chineseparticipleandtheretrievingtechniquesstudiedindetail,Bylucubrafingthesekeytechniques,the
authorexpectSomehelptothedevelopmentinthisfield.
Modularthoughtwasadoptedinthesystemdesign.Theverticalsearchengineis
dividedintothreeparts:thecollectsub-system,theindexsub-system
sub system.Each
expediently.andtheretrievalsub—systemisindependenceoppositelyandimplemented
andThe
haveverticalsearchenginehasbeenputintocanUSCandprovedsuccessfullyeffidenflyinpractice.Itasatisfytheneedofthetopiccustomerprimly,SOitwillvastmarketinfuture
Keywords:searchengine,theinformationextraction,thepush—downautomaticmachine,Chineseparticiple,thepagedistance¨
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