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"Imprecise Schema: A Rationale for Relations with Embedded Subrelations."
Howard M. Dreizen, Shi-Kuo Chang (1989)
- Howard M. Dreizen, Shi-Kuo Chang:
Imprecise Schema: A Rationale for Relations with Embedded Subrelations. ACM Trans. Database Syst. 14(4): 447-479 (1989)

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