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A Strategy to Revise the Constraints of the Mediated Schema

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Conceptual Modeling - ER 2009 (ER 2009)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 5829))

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Abstract

In this paper, we address the problem of changing the constraints of a mediated schema M to accommodate the constraints of a new export schema E 0. We first show how to translate the constraints of E 0 to the vocabulary of M, creating a set of constraints C 0 in such a way that the schema mapping for E 0 is correct. Then, we show how to compute the new version of the constraints of M to accommodate C 0 so that all schema mappings, including that for E 0, are correct. We solve both problems for subset and cardinality constraints and specific families of schema mappings.

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Author information

Authors and Affiliations

  1. Department of Informatics, PUC-Rio, Rio de Janeiro, RJ, Brazil

    Marco A. Casanova, Tanara Lauschner, Luiz André P. Paes Leme, Karin K. Breitman & Antonio L. Furtado

  2. Department of Computing, Federal University of Ceará, Fortaleza, CE, Brazil

    Vânia M. P. Vidal

Authors
  1. Marco A. Casanova
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  2. Tanara Lauschner
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  3. Luiz André P. Paes Leme
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  4. Karin K. Breitman
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  5. Antonio L. Furtado
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  6. Vânia M. P. Vidal
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Editor information

Editors and Affiliations

  1. Department of Computer Science, Federal University of Minas Gerais, Av. Antônio Carlos 6627, Prédio do ICEx, sala 4010, Pampulha , Belo, 31270-901, Horizonte, MG, Brazil

    Alberto H. F. Laender

  2. Dipartimento di Scienze dell’Informazione, DICo, Università degli Studi di Milano, Comelico, 39/41, 20135, Milano, Italy

    Silvana Castano

  3. Hewlett-Packard Laboratories, 1501 Page Mill Rd., 94304, Palo Alto, CA, USA

    Umeshwar Dayal

  4. Department of Information Engineering and Computer Science, University of Trento, Via sommarive 14, 38050, Povo (Trento), Italy

    Fabio Casati

  5. Instituto de Informática, Universidade Federal do Rio Grande do Sul (UFRGS), Caixa Postal 15.064, 91.501-970, Porto Alegre, RS, Brasil

    José Palazzo M. de Oliveira

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© 2009 Springer-Verlag Berlin Heidelberg

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Casanova, M.A., Lauschner, T., Leme, L.A.P.P., Breitman, K.K., Furtado, A.L., Vidal, V.M.P. (2009). A Strategy to Revise the Constraints of the Mediated Schema. In: Laender, A.H.F., Castano, S., Dayal, U., Casati, F., de Oliveira, J.P.M. (eds) Conceptual Modeling - ER 2009. ER 2009. Lecture Notes in Computer Science, vol 5829. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-04840-1_21

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  • DOI: https://doi.org/10.1007/978-3-642-04840-1_21

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-04839-5

  • Online ISBN: 978-3-642-04840-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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