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UQL: A UML-based Query Language for Integrated Data

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Abstract

A unified query language (UQL) in terms of UML is proposed based on the Object Constraint Language (OCL), which is a part of the UML specification. The semantics of the UQL, its scope, and interfaces based on this language are discussed. Processing of a UQL query is described including its transformation to XQuery, optimization, decomposition, execution of query parts against local data, and formation of the final result.

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  1. Institute of System Programming, Russian Academy of Sciences, ul. B. Kommunisticheskaya 25, Moscow, 109004, Russia

    M. N. Grinev & S. D. Kuznetsov

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  1. M. N. Grinev
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  2. S. D. Kuznetsov
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Grinev, M.N., Kuznetsov, S.D. UQL: A UML-based Query Language for Integrated Data. Programming and Computer Software 28, 189–196 (2002). https://doi.org/10.1023/A:1016366916304

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