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"System/U: A Database System Based on the Universal Relation Assumption."
Henry F. Korth et al. (1984)
- Henry F. Korth, Gabriel M. Kuper, Joan Feigenbaum, Allen Van Gelder, Jeffrey D. Ullman:
System/U: A Database System Based on the Universal Relation Assumption. ACM Trans. Database Syst. 9(3): 331-347 (1984)
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