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SOURCE:BigDataPrivacyIssuesinPublicSocialMediaBIGDATA:bigdatasocialwebBIGDATA:Privacyconcerns.Anytaskwhichiscomparativelyeasytoexecutewhenoperatingonasmallbutrelevantsetofdata,butbecomesunmanageablewhendealingwiththesameproblemwithalargedatasetcanbeclassifiedasaBigDataproblem.ProblemsencounteredwhendealingwithBigDataincludecapture,storage,dissemination,search,analyticsandvisualisationBigdataInsocialweb,thereisanincreasingawarenessofthevalue,potentialandriskofthepersonaldatawhichwevoluntarilyuploadtotheweb.BigDataissuehasfocusedonentirelyuptothecontrolleroftheBigDatasetsdowiththisinformationinformationgleanedisusedfornefariouspurposesornotPersonaldatawhichwevoluntarilyuploadtothewebProblem：howcanuserscontrolwhohasaccesstowhattheypostthemselves.Effectotherpeoples’datahasonus.Example：Ifafriendtakesapictureofmeduringavolleyballgame,sharesthispicturewithotherfriendsandoneofthemuploadsthepicturetotheweb,myinsurancecompanycanfindandusethatpictureagainstmePhotosuploadedtoFacebookpermonthhasrisenfrom2billiontoover6billion.Currentsocialnetworksandphoto-sharingsitesdolittletodealwiththeprivacyimplicationscreatedbyotherusers’mediaModerndevicestoembedgeo-dataandothermetadataintothecreatedcontent.Privacyissuesoflocationinformationembeddedintouploadedmediahavenotyetreceivedmuchattention.ENVIRONMENT&PROBLEMSTATEMENTPrivacyissuesSecondlywehavetheBigDataproblemscreatedbyothers:Anemergingthreattousers’onlineprivacycomesfromotherusers’media.Theamountofdatabeinguploadedissovastitcannotbemanuallysighted.Alsotherearecurrentlynocountermeasures,topreventothersfromuploadingpotentiallydamagingcontentaboutsomeonePrivacyissuesPrivacyissuesAwarenessofDamagingMediainBigDatasetsFlickrprovidesthemostfine-grainedprivacy/accesscontrolsettingsofallanalysedservices.Flickristhegeo-fence.Geo-fencecanbeapredefinedsetofboundariesFacebookusesfacerecognitionforfriendtaggingsuggestionsbasedonalreadytaggedfriends.PicasaWeb&Google+storeaccessiblebyeveryonewhocanaccesstheimage.L
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