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Encyclopedia of Database Systems pp 1–3Cite as

Semantic Data Model

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Synonyms

Conceptual data model; Conceptual model

Definition

A semantic data model represents data in terms of named sets of objects, named sets of values, named sets of relationships, and constraints over these object, value, and relationship sets. The semantics of a semantic data model are the intensional declarations: the names for object, value, and relationship sets that indicate intended membership in the various sets and the declared constraints that the data should satisfy. The data of a semantic data model is extensional and consists of instances of object identifiers and values for object and value sets and of m-tuples of instances for m-ary relationship sets. The model of a semantic-data-model instance describes intensionally a real-world domain of interest. The modeling components of the semantic data model specify the modeling elements from which a real-world model instances can be built.

For a general description of semantic data models, see [1]. This entry describes the...

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Recommended Reading

  1. Peckham J, Maryanski F. Semantic data models. ACM Comput Surv. 1988;20(3):153–89.

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Authors and Affiliations

  1. Brigham Young University, Provo, UT, USA

    David W. Embley

Authors
  1. David W. Embley
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Correspondence to David W. Embley .

Editor information

Editors and Affiliations

  1. Georgia Institute of Technology College of Computing, Atlanta, Georgia, USA

    Ling Liu

  2. University of Waterloo School of Computer Science, Waterloo, Ontario, Canada

    M. Tamer Özsu

Section Editor information

  1. Brigham Young University, Provo, UT, USA

    David W. Embley

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Embley, D.W. (2017). Semantic Data Model. In: Liu, L., Özsu, M. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4899-7993-3_105-2

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  • DOI: https://doi.org/10.1007/978-1-4899-7993-3_105-2

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4899-7993-3

  • Online ISBN: 978-1-4899-7993-3

  • eBook Packages: Springer Reference Computer SciencesReference Module Computer Science and Engineering

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