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cs.DB2026
Extending Elle for Transaction Workloads with Duplicate Values
Zhiheng Cai, Si Liu, Hengfeng Wei +1
Elle is one of the most widely adopted black-box isolation validators. It crucially relies on the unique-value assumption for sound and efficient isolation validation. Yet, transac…
cs.DB2025
Fast Verification of Strong Database Isolation (Extended Version)
Zhiheng Cai, Si Liu, Hengfeng Wei +2
Strong isolation guarantees, such as serializability and snapshot isolation, are essential for maintaining data consistency and integrity in modern databases. Verifying whether a d…