Geodesic
On the Equivalence of Problem-Oriented Databases
International Journal of Applied Mathematics and Computer Science, Tome 9 (1999) no. 4, pp. 965-977.

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A comparison is made between problem-oriented databases for multistage decision making and general-purpose databases. An exemplary problem-oriented database IDEN for supporting the process of multistage identification is discussed in detail. An equivalence condition for problem-oriented databases is formulated and then the equivalence with respect to data structures and operations is proved for hierarchical, network and relational models of the IDEN database.
Keywords: problem-oriented database, data manipulations language, distributed databases, equivalence of databases
Mots-clés : baza danych, język operowania danymi, rozproszona baza danych 
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     author = {Lebiediewa, S.},
     title = {On the {Equivalence} of {Problem-Oriented} {Databases}},
     journal = {International Journal of Applied Mathematics and Computer Science},
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     url = {http://geodesic.mathdoc.fr/item/IJAMCS_1999_9_4_a13/}
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Lebiediewa, S. On the Equivalence of Problem-Oriented Databases. International Journal of Applied Mathematics and Computer Science, Tome 9 (1999) no. 4, pp. 965-977. http://geodesic.mathdoc.fr/item/IJAMCS_1999_9_4_a13/