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On Querying UML data models with OCL

Akehurst, David H. and Bordbar, Behzad (2001) On Querying UML data models with OCL. In: Gogolla, Martin and Kobryn, Cris, eds. ≪UML≫ 2001 — The Unified Modeling Language. Modeling Languages, Concepts, and Tools 4th International Conference. Lecture Notes in Computer Science . Springer, Berlin, Germany, pp. 91-103. ISBN 978-3-540-42667-7. E-ISBN 978-3-540-45441-0. (doi:10.1007/3-540-45441-1_8) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:13533)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
Official URL:
http://dx.doi.org/10.1007/3-540-45441-1_8

Abstract

UML is the de-facto standard language for Object-Oriented analysis and design of information systems. Persistent storage and extraction of data in such systems is supported by databases and query languages. UML sustains many aspects of software engineering; however, it does not provide explicit facility for writing queries. It is crucial for any such query language to have, at least, the expressive power of Relational Algebra, which serves as a benchmark for evaluating its expressiveness. The combination of UML and OCL can form queries with the required expressive power. However, certain extensions to OCL are essential if it is to be used effectively as a Query Language. The adoption of the ideas presented in this paper will enable query expressions to be written using OCL, that are elegant and ideally suited for use in conjunction with UML data models. This technique is illustrated by expressing the UML equivalent of an example Relational data model and associated query expressions.

Item Type: Book section
DOI/Identification number: 10.1007/3-540-45441-1_8
Uncontrolled keywords: OCL, UML, SQL, Query Language
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming,
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Computing
Depositing User: Mark Wheadon
Date Deposited: 24 Nov 2008 17:58 UTC
Last Modified: 16 Nov 2021 09:51 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/13533 (The current URI for this page, for reference purposes)

University of Kent Author Information

Akehurst, David H..

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Bordbar, Behzad.

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