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DPDS
1990
53views more  DPDS 1990»
15 years 5 months ago
Parallelism in Relational Data Base Systems: Architectural Issues and Design Approaches
Hamid Pirahesh, C. Mohan, Josephine M. Cheng, T. S...
ICDT
2009
ACM
173views Database» more  ICDT 2009»
16 years 5 months ago
Containment of conjunctive queries on annotated relations
We study containment and equivalence of (unions of) conjunctive queries on relations annotated with elements of a commutative semiring. Such relations and the semantics of positiv...
Todd J. Green