Restructuring for Large Data Bases: Three Levels of Abstraction.

Shamkant B. Navathe James P. Fry Restructuring for Large Data Bases: Three Levels of Abstraction. 138-158 TODS1/P138.PDF 1976 1 ACM Trans. Database Syst. 2 db/journals/tods/tods1.html#NavatheF76 http://doi.acm.org/10.1145/320455.320461 db/journals/tods/NavatheF76.html ... journals/cacm/Codd70 persons/Codd72 conf/sigmod/Collmeyer72 conf/sigmod/FryJ74 ... conf/sigmod/MertenF74 journals/ibmsj/SenkoAAF73 journals/ibmsj/SenkoAAF73a journals/ibmsj/SenkoAAF73b conf/sigmod/Shoshani75 journals/cacm/ShuHL75 ...