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Mapping of NoSQL data models to object specifications

Mapping of NoSQL data models to object specifications.

Author(s): Skvortsov N. A.
Published:Proc. of the 14th Russian Conference on Digital Libraries RCDL'2012. -- CEUR Workshop Proceedings, 2012. Vol. 934. P. 53-62. (In Russian)
Database systems belonging to NoSQL class are used to supply horizontal data scaling and to work with extralarge data volumes. It is necessary to use them to solve problems over multiple heterogeneous information resources. The paper considers approaches to mapping of NoSQL models of different types to object model of the SYNTHESIS language used as unifying information model in problem solving at heterogeneous resources environment. It demonstrates common mapping problems using several NoSQL databes systems and proposes an approach including discovering of database scheme not specified explicitly, and mapping of operations. It considers a case when its impossible to recover data scheme because of lack of information about structures stored in databases or because data is semi-structured.
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