using evidence based content trust model for spam detection

《using evidence based content trust model for spam detection》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、ExpertSystemswithApplications37(2010)5599–5606ContentslistsavailableatScienceDirectExpertSystemswithApplicationsjournalhomepage:www.elsevier.com/locate/eswaUsingevidencebasedcontenttrustmodelforspamdetectiona,b,ca,b,cd,*WeiWang,GuosunZeng,DaizhongTangaDepartmentofComputerScienceandEng

2、ineering,TongjiUniversity,Shanghai200092,ChinabTongjiBranchNationalEngineeringandTechnologyCenterofHighPerformance,Shanghai200092,ChinacKeyLaboratoryofEmbeddedSystemandServiceComputing,MinistryofEducation,Shanghai200092,ChinadSchoolofEconomicsandManagement,TongjiUniversity,Shanghai200

3、092,ChinaarticleinfoabstractKeywords:Contenttrustisoneofthemaincomponentsintheresearchofinformationretrieval.AsitgetseasiertoContenttrustaddinformationtotheWebviaHTMLpages,wikis,blogs,andotherdocuments,itgetstoughertodistin-Webspamguishaccurateortrustworthyinformationfrominaccurateoru

4、ntrustworthyinformationontheWeb.RankingCurrenttechnologyofspamdetectionisbasedonbinarymetric,thatisbinaryclassificationisadaptedSVMinthespamdetection.Inordertomeettheusers’needandpreference,moreaccuratemetricisneededMachinelearninginthecontenttrustaswellasindetectingspaminformation.Int

5、hispaper,weusethenotionofcontenttrustforspamdetection,andregarditasarankingproblem.Besidestraditionaltextfeatureattributes,informationqualitybasedevidenceisintroducedtodefinethetrustfeatureofspaminformation,andanovelcontenttrustlearningalgorithmbasedontheseevidenceisproposed.Finally,aW

6、ebspamdetec-tionsystemisdevelopedandtheexperimentsontherealWebdataarecarriedout,whichshowthepro-posedmethodperformsverywellinpractice.Ó2010ElsevierLtd.Allrightsreserved.1.Introductiontratingsearchexperiences.Second,ifausersearchesforinforma-tionthatisrelevanttoyourpagesbutyourpagesare

7、rankedlowInformationretrieval(IR)isthestudyofhelpinguserstofindbysearchengines,thentheusermaynotseethepagesbecauseinformationthatmatchestheirinformationneeds.Technically,oneseldomclicksalargenumberofreturnedpages.Finally,ainformationretrievalstudiestheacquisition,organization,storage,s

8、earch