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1、SeriesISSN:1945-9742SeriesISSN:1945-9742YI•PAULET•BERTINOYI•PAULET•BERTINOSSYNTHESISYNTHESISLLECTURESECTURESONON&&MMCCMorganClaypoolPublishersMorganClaypoolPublishers&&IINFORMATIONNFORMATIONSSECURITYECURITY,P,PRIVACY,RIVACY,ANDANDTTRUSTRUSTSeriesEdito
2、rs:SeriesEditors:ElisaBertino,ElisaBertino,PurduePurdueUniversityUniversityRaviSandhu,RaviSandhu,UniversityofTexasatSanAntonioUniversityofTexasatSanAntonioPrivateInformationPrivateInformationPrivateInformationRetrievalPrivateInformationRetrievalXunYi,
3、XunYi,VictoriaUniversity,AustraliaVictoriaUniversity,AustraliaRetrievalRetrievalRussellPaulet,RussellPaulet,VictoriaUniversity,AustraliaVictoriaUniversity,AustraliaElisaBertino,ElisaBertino,PurdueUniversityPurdueUniversityPRIVATEINFORMATIONRETRIEVALPR
4、IVATEINFORMATIONRETRIEVALThisbookdealswithPrivateInformationRetrieval(PIR),atechniqueallowingausertoretrieveThisbookdealswithPrivateInformationRetrieval(PIR),atechniqueallowingausertoretrieveanelementfromaserverinpossessionofadatabasewithoutrevealingt
5、otheserverwhichelementanelementfromaserverinpossessionofadatabasewithoutrevealingtotheserverwhichelementisretrieved.PIRhasbeenwidelyappliedtoprotecttheprivacyoftheuserinqueryingaserviceisretrieved.PIRhasbeenwidelyappliedtoprotecttheprivacyoftheuserinq
6、ueryingaserviceproviderontheInternet.Forexample,byPIR,onecanqueryalocation-basedserviceprovideraboutproviderontheInternet.Forexample,byPIR,onecanqueryalocation-basedserviceprovideraboutthenearestcarparkwithoutrevealinghislocationtotheserver.thenearest
7、carparkwithoutrevealinghislocationtotheserver.ThefirstPIRapproachwasintroducedbyChor,Goldreich,KushilevitzandSudanin1995inThefirstPIRapproachwasintroducedbyChor,Goldreich,KushilevitzandSudanin1995inXunYiXunYiamulti-serversetting,wheretheuserretrievesinf
8、ormationfrommultipledatabaseservers,eachofamulti-serversetting,wheretheuserretrievesinformationfrommultipledatabaseservers,eachofwhichhasacopyofthesamedatabase.Toensureuserprivacyinthemulti-serversetting,theserverswhichhasacopyofthesamedatabas
