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cs.DB2024
A Decidable Case of Query Determinacy: Project-Select Views
Wen Zhang, Aurojit Panda, Mooly Sagiv +1
Query determinacy is decidable for project-select views and a project-select-join query with no self joins, as long as the selection predicates are in a first-order theory for whic…
cs.DB2022★ 3 cited
Blockaid: Data Access Policy Enforcement for Web Applications
Wen Zhang, Eric Sheng, Michael Chang +3
Modern web applications serve large amounts of sensitive user data, access to which is typically governed by data-access policies. Enforcing such policies is crucial to preventing…