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Linked Open Data

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Encyclopedia of Database Systems

Synonyms

Linked data; LOD; Open linked data; Web of linked data

Definition

The term Linked Open Data refers to all data that is published on the Web according to a set of best practices, the Linked Data Principles [1]. The idea behind these principles is, on the one hand side, to use standards for the representation and the access to data on the Web. On the other hand, the principles propagate to set hyperlinks between data from different sources. These hyperlinks connect all Linked Data into a single global data graph, similar as the hyperlinks on the classic Web connecting all HTML documents into a single global information space.

Technically, Linked Data relies on Uniform Resource Identifiers (URIs) for the identification of entities, the Resource Description Framework (RDF) as unifying data model, and the Hypertext Transfer Protocol (HTTP) for accessing entity descriptions. An RDF link connects the descriptions of two entities published by different data sources. Linked Data...

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Recommended Reading

  1. Berners-Lee T. Linked data; 2006. Available from: http://www.w3.org/DesignIssues/LinkedData.html

  2. Jentzsch A, Cyganiak R, Bizer C. State of the LOD cloud; 2011. Available from: http://lod-cloud.net/state/. [Cited 5 Apr 2011].

  3. Bizer C, Heath T, Berners-Lee T. Linked data-the story so far. Int J Seman Web Inf Syst. 2009;5(3):1–22.

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  4. Schmachtenberg M, Bizer C, Paulheim H. Adoption of the linked data best practices in different topical domains. In: Proceedings of the 13th International Semantic Web Conference; 2014. p. 245–60.

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  5. Bizer C, Eckert K, Meusel R, Mühleisen H, Schuhmacher M, Völker J. Deployment of RDFa, microdata, and microformats on the web – a quantitative analysis. In: Proceedings of the 12th International Semantic Web Conference; 2013. p. 17–32.

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  15. Fundulaki I, Auer S. Linked open data – introduction to the special theme. ERCIM News. 2014;2014(96):8–9.

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Author information

Authors and Affiliations

  1. Web-based Systems Group, University of Mannheim, Mannheim, Germany

    Christian Bizer

  2. Computer Science, Universidad Simon Bolivar, Caracas, Venezuela

    Maria-Esther Vidal

  3. Computer Science, University of Nantes, Nantes, France

    Hala Skaf-Molli

Authors
  1. Christian Bizer
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  2. Maria-Esther Vidal
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  3. Hala Skaf-Molli
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Corresponding author

Correspondence to Christian Bizer .

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

Section Editor information

  1. Fac. of IE & Mgmt., Technion--Israel Inst. of Technology, Haifa, Israel

    Avigdor Gal

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Bizer, C., Vidal, ME., Skaf-Molli, H. (2018). Linked Open Data. 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_80603

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