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Efficient outsourcing of genome-wide association studies. This document proposes a method for efficiently conducting genome-wide association studies (GWAS) using outsourced cloud computing resources while protecting sensitive personal genetic and clinical data. The method uses homomorphic encryption to encrypt genotype and phenotype data and allows statistical tests to be performed on the encrypted data without decryption, addressing privacy and outsourcing challenges. Experimental results demonstrate the proposed encoding and computation methods significantly reduce communication size and computation time compared to existing approaches.Read less