基于規(guī)則的文本過(guò)濾系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn).pdf

1、華南理工大學(xué)碩士學(xué)位論文基于規(guī)則的文本過(guò)濾系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn)姓名：林林申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)軟件與理論指導(dǎo)教師：奚建清20030520塵塑些!；奎蘭!蘭竺圭蘭堡篁塞AbstractDuringtheeducationalprocess，thestudentsmainlyacquireknowledgethroughtheInternetSokeepingthepurityofthenetworkresourceisthefirstk

2、eypointofthedevelopmentofnetworkeducationThecontentofnetworkresourceisintextformatinmostcases，SOitisveryimportanttokeepthetextcontentundercontr01Consideredthehugeamountofwork，itisimpossibletocheckthisinformationbypersonn

3、elAnautomaticcheckingsystemsoundsmorepracticalThesystemsnowinusearecommonlybasedontwotheoriesOneiskeywordsandregularexpressionsThiskindofsystemdoesnothaveanyintelligenceItisquickbutnotaccurateTheotheroneisbasedonstatisti

4、csandtrainedtemplatesTheaccuracyismuchbetterthanthefirstoneItdependsonthevolumeofdatastorageSoitisnodoubtthatthecomputedemandishuge，andtheperformanceislowOntheotherhand，thetextsoftrainingsectionarealwayslongarticlesSowhe

5、nitappliestOsomeshortarticles，theaccuracymaynotbebetterthanthesystemusingkeywordsThispaperdescribeanewrule—basedsystem，whichovercomestheweakpointssuchaslowspeed，notsuitableforshortarticles，lowadaptabilitywhenthetargettex

6、talteredalittlebit，thetemplatesarenotrefinableThisfilteringsystemcanuseordinarywordlibrary，traintherulelistonthefly，andalsotheresultrulescanbemodifiedaccordingtotheslightchangeontargetdeploymentsItissimpleandquick；alsodo

7、wellforshorttextAccompaniedwiththeperipheryutilities，thissystemisafullfunctionalfilteringsystemThispaperdescribesthetheoryofthisfilteringsystem，principleofdesign，concepts，systemarchitecture，andprocessflowInordertobecompa