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Continue to ChatDATA SHARING SCHEME FOR BIG DATA BASED ON USER REVOCATION https://ijsrem.com/download/data-sharing-scheme-for-big-data-based-on-user-revocation/
DATA SHARING SCHEME FOR BIG DATA BASED ON USER REVOCATION https://ijsrem.com/download/data-sharing-scheme-for-big-data-based-on-user-revocation/