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Encyclopedia of Database Systems pp 2590–2596Cite as

Ontology-Based Data Access and Integration

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Definition

An ontology-based data integration(OBDI) system is an information management system consisting of three components: an ontology, a set of data sources, and the mapping between the two. The ontology is a conceptual, formal description of the domain of interest to a given organization (or a community of users), expressed in terms of relevant concepts, attributes of concepts, relationships between concepts, and logical assertions characterizing the domain knowledge. The data sources are the repositories accessible by the organization where data concerning the domain are stored. In the general case, such repositories are numerous, heterogeneous, each one managed and maintained independently from the others. The mapping is a precise specification of the correspondence between the data contained in the data sources and the elements of the ontology. The main purpose of an OBDI system is to allow information consumers to query the data using the elements in the ontology as...

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Author information

Authors and Affiliations

  1. Research Centre for Knowledge and Data (KRDB), Free University of Bozen-Bolzano, Bolzano, Italy

    Diego Calvanese

  2. Dip. di Ingegneria Informatica Automatica e Gestionale Antonio Ruberti, Sapienza Università di Roma, Rome, Italy

    Giuseppe De Giacomo, Domenico Lembo, Maurizio Lenzerini & Riccardo Rosati

Authors
  1. Diego Calvanese
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  2. Giuseppe De Giacomo
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  3. Domenico Lembo
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  4. Maurizio Lenzerini
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  5. Riccardo Rosati
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Corresponding author

Correspondence to Diego Calvanese .

Editor information

Editors and Affiliations

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

    Ling Liu

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

    M. Tamer Özsu

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© 2018 Springer Science+Business Media, LLC, part of Springer Nature

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Calvanese, D., Giacomo, G.D., Lembo, D., Lenzerini, M., Rosati, R. (2018). Ontology-Based Data Access and Integration. In: Liu, L., Özsu, M.T. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8265-9_80667

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