Logics with aggregate operators
Journal of the ACM (JACM)
Modeling data and objects: an algebraic view point
Theoretical aspects of computer science
An Equational Chase for Path-Conjunctive Queries, Constraints, and Views
ICDT '99 Proceedings of the 7th International Conference on Database Theory
Modeling Data and Objects: An Algebraic View Point
Theoretical Aspects of Computer Science, Advanced Lectures [First Summer School on Theoretical Aspects of Computer Science, Tehran, Iran, July 2000]
Query reformulation with constraints
ACM SIGMOD Record
Index-based multidimensional array queries: safety and equivalence
Proceedings of the twenty-sixth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Annotated XML: queries and provenance
Proceedings of the twenty-seventh ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Provenance for aggregate queries
Proceedings of the thirtieth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Information and Computation
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