基于ATN算法和潛在語(yǔ)義索引的不良信息過(guò)濾系統(tǒng)研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文基于ATN算法和潛在語(yǔ)義索引的不良信息過(guò)濾系統(tǒng)研究姓名：蘇再?gòu)?qiáng)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：朱焱201105西南交通大學(xué)碩士研究生學(xué)位論文第1I頁(yè)AbstractInrecentyears，theInternethasmaderapiddevelopment，informationintheIntemetisincreasinglyabundant，growingexponentiallyunt

2、ilnowtherearehundredsofmillionsofwebsitesaroundtheworldHowevereverythinghastwosides，whiletherapiddevelopmentoftheIntemet，alotofbadinformationunbridledspreadtOthetheInternet，hasbroughtabouttremendousnegativeimpacttOthesoc

3、ialorderandpeople’SnormallifeThispaperdescribedthegrimsituationofthecurrentIntemetSummeduptheconcepts，characteristics，andrelatedproductsofthecurrentthreecommonobjectionableinformationfilteringtechnologyAnalyzedandcompare

4、dthefilterresults，advantagesanddisadvantagesofthethreetypesoffilteringtechnologyOnthisbasis，wedesignedanobjectionableinformationfilteringsystembasedOilAugmentedTransitionNetwork(ATN)andLatentSemanticIndexing(LSI)TheATNal

5、gorithmusedinthesysteminsteadofthetraditionalsegmentationbasedonstringmatchingalgorithms，thisalgorithmisbasedonChineselexical，grammaticalrules，SOtheresultsofsegmentationhasahigheraccuracyReplacingthesimpletraditionalvect

6、orspacemodeltOfilterinformationthealgorithmhasagoodeffectondealingwithChinese”Polysemy”and”Morewordonemeaning”Inordertoputtheresultsoffilterintopractice，thesystemmarkstheresultsbyPICSlabelandstoresitinthedatabaseforappli

7、cationFinallytoverifythefilterperformanceofthesystemwedidexperimentsonDataSetsofChineseEMails(CDSCE)providedbyChinaEducationandResearchNetworkEmergencyTeam(CCERT)，theexperimentresultsshowthatthesystemdesignreasonableandf