手机垃圾短信过滤系统的设计和实现

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2011.02(,523808):;;;;:2010-01-05:2011-01-20:(1981-),,,,,,,,,,,,。:0,,,,。、、、、。,,[1]。,:,,。、,。1,,:(1),,、、。。(2),140,70。,。(3),,,。(4),,,。(5),。(6),。(7)。(8),。2,,:SMSC(ShortMessageServiceCenter,),。SMSC,。SP,,趬趲2011.02,,。,,、,,,,。。SMSC。。(1)。(2),,。(3),,。,。,:,:、,。,,。,,,,。,,。,,,,,,,,,;,。,,[2]。3:[3],,[4]。,,。:①,。②ABC32、¥234TOKENTO-KEN。。,hashtable_goodhashtable_bad。TOKEN。③TOKENP=(TOKEN)/()。hashtable_goodhashtable_bad,TOKEN,。:A—,t1,t2,…,tnTOKEN,P(A|ti)TOKENti,。:P1(ti)=(tihashtable_good)P2(ti)=(tihashtable_bad)P(A|ti)=P1(ti)/[P1(ti)+P2(ti)];趬趶2011.02④hashtable_probabilityTO-KENtiP(A|ti),。hashtable_probability。,②TOKEN。hashtable_probabilityTOKEN。NTOKEN,t1,t2,…,tn,hashtable_probabilityP1,P2,…,PN,P(A|t1,t2,t3,…,tn)TOKENt1,t2,…,tn,。:P(A|t1,t2,t3,…,tn)=(P1*P2,…,PN)/[P1*P2,…,PN+(1-P1)*(1-P2)*…*(1-PN)]P(A|t1,t2,t3,…,tn),。4:1:,,;。/:,;。:,,。Sqlite:,。/:,。:。:,[5]。:,,,,,[1]。,AccessSQLSever。,Sqlite,。,Sqlite,,,hashtable_goodhashtable_bad,hashtable_probability。,,,,[6]。,,,。,,。,SmartPhoneEm-bededVC4.0。6001000,,,99.0868%, ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,/,,趬趷2011.02DesignandImplementationofMobileJunkShortMessageFilteringSystemYUANRui-fen(SchoolofComputer,DongguanUniversityofTechnology,Dongguan523808)Keywords:JunkShortMessage;BayesianProbabilityModel;BayesianReasoning;WhiteList;BlackListComparesandanalysessomemeritsanddefectsinmethodsthatcanbeusedtothefilteringofjunkshortmessage.Basedonthese,introducestheprincipleandtheoryofBayesianreasonmethod,anddiscussestheadvantageoffilteringmethodbasedonBayesianreasonmethod.MainlyintroducestheapplicationsofBayesianreasonmethodinthejunkshortmessagefilter-ingsystemandtheexperimentresultshowsthatthissystemhaswellfilteringeffect.Abstract:,99.7165%。88.013%,90.104%。SmartPhone,2~3,。5,,,:(1);(2),;(3);(4)C,SmartPhone。,,,,,,,。[1]..,2004[2]DavidHand,HeikkiMannila,PadhraicSmyth..,,.&,2003.4(1)[3]H.Witten&EibeFrank.Java().,2005.9[4],..,2004[5]()TomM.Mitchell..,.,2003.1[6]()JiaweiHan,MichelineKanber..,.,2007.3趬趹

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