Browsing by Author "Cuzzocrea, Alfredo"

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    Privacy-Preserving Multidimensional BigData Analytics overBigDataLakes: Models,Techniques,Algorithms
    (Università della Calabria, 2024-05-15) Soufargi, Selim; Fortino, Giancarlo; Cuzzocrea, Alfredo
    It iswellestablishedthathealthinformationprivacyisofcrucialvalueand importancetothegoodexecutionofanalyticalprocesses.Theroleofanalyt- ics, ontheotherhand,isalsoknowntobecriticalforprecisionmedicineas wellasforaccuratehealthcarerecommendations.Whiledataanalyticstryto uncoverpatternsintheunderlyinghealthdatatosupportdecisionmaking, privacy,priorly,ensuresthatthesedataarenotexposingsensitiveinforma- tion abouttheindividualsonwhichtheanalyticalprocessisbeingapplied. Unfortunately,existingresearchworksusuallyputemphasisonsolvingei- ther dataprivacyordataanalyticsissuesinsuchawaythatleadstopoor analytical outcomesintermsofaccuracyfordecisionmakingsupport.This challengemotivatesourneedforajointparadigmbetweendataprivacyand data analyticstoenhancethecapabilitiesofcurrentanalysisofhealthcare data toeventuallyenableprecisionmedicine.Indeed,ajointparadigmwould involvethecreationofalgorithmsthatconsiderafullyintegratedprocessthat enables dataanalyticswhilepreventingthedisclosureofidentityinformation. In thisthesis,weproposeseveralalgorithms,frameworksandtechniquesthat speci callyaddressthepreviousmattersandchallengesindatalakecontexts. Indeed, weaimatdevelopingprivacy-preservingdataanalyticstechniquesin big datalakeenvironmentsbasedondi erentkindsofdatatypesandsettings. In fact,dependingonthegoaloftheprivacypreservinganalyticaltasks,we proposetailoredframeworksthat,weargue,e ectivelyande cientlysupport the creationofhealthrelatedrecommendationsandthus,intheQUALITOP context,supportqualityoflifeaftertreatmentsforcancerpatients.