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International Symposium on Objects and Databases

SODB 2000: Objects and Databases pp 185–196Cite as

Towards a Unified Query-by-Example (UQBE): UML as a Basis for a Generic Graphical Query Language

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Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1944))

Abstract

A generic graphical query language for ODMG-compliant object databases - called Unified Query By Example (UQBE) – is proposed, based on the ideas of Zloof’s Query-By-Example, and using UML-like diagrams as schema notation. Both ease of learning for users coming from the relational world and support for non object-oriented data sources are also considered as design goals. The overall layout and some important features of the query language are described, along with its relationship with the UML repository architecture and several ODMG OQL translations of sample UQBE queries.

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References

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Author information

Authors and Affiliations

  1. Computer Science Department, DEI Laboratory, Avda, Carlos III University, Madrid, Universidad, 30, 28911, Leganés, Madrid, Spain

    Miguel A. Sicilia Urbán & Juan M. Dodero Beardo

  2. Computer Science Department, Escuela Politécnica, Alcalá de Henares University, Campus Universitario, 28871, Alcalá de Henares, Madrid, Spain

    Elena García Barriocanal

Authors
  1. Miguel A. Sicilia Urbán
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  2. Elena García Barriocanal
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  3. Juan M. Dodero Beardo
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Editor information

Editors and Affiliations

  1. Department of Computer Science, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland

    Klaus Dittrich

  2. Dipartimento di Informatica e Scienze dell’Informazione, Università di Genova, via Dodecaneso 35, 16146, Genova, Italy

    Giovanna Guerrini  & Isabella Merlo  & 

  3. Departament d ′Informàtica i Enginyeria Industrial, Universitat de Lleida, C.Jaume II,69, 25001, Lleida, Spain

    Marta Oliva

  4. Departament de Llenguatges i Sistemes Informàtics, Universitat Politècnica de Catalunya, MÒdul C 6,C.Jordi Girona Salgado 1-3, 08034, Barcelona, Spain

    M.Elena Rodriguez

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© 2001 Springer-Verlag Berlin Heidelberg

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Sicilia Urbán, M.A., García Barriocanal, E., Dodero Beardo, J.M. (2001). Towards a Unified Query-by-Example (UQBE): UML as a Basis for a Generic Graphical Query Language. In: Dittrich, K., Guerrini, G., Merlo, I., Oliva, M., Rodriguez, M. (eds) Objects and Databases. SODB 2000. Lecture Notes in Computer Science, vol 1944. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44677-X_13

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  • DOI: https://doi.org/10.1007/3-540-44677-X_13

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-41664-7

  • Online ISBN: 978-3-540-44677-4

  • eBook Packages: Springer Book Archive

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