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Membership Inference Attack Defense on Trivia-QA

0.491SPV AUCNo Defense
0.479560.482530.48550.48847Dec 1, 2025

Evaluation results

MethodLinks
No DefenseRetrieval-Augmented Generation=true2025.120.4910.580.0050.3770.5130.010.3860.6030.0310.5990.6620.1040.6860.6190.1040.690.5950.0360.780.5570.0410.5710.590.047
LLM HAMPRetrieval-Augmented Generation=true2025.120.480.400.270.50.010.6520.6190.0360.6690.6350.0620.6690.6350.1040.5980.5880.0310.580.5750.0050.560.5650.035
DP-LogitsRetrieval-Augmented Generation=true2025.120.480.6500.270.50.030.680.6370.0420.6690.6350.0620.6670.6350.1040.5980.5860.0210.5770.5670.0050.5630.6010.038
EPD (Ours)Retrieval-Augmented Generation=true2025.120.480.5100.240.500.5580.5570.0360.5390.5520.0260.6160.5960.0670.5850.580.0160.5050.5410.010.5030.5480.022