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Preliminaries

  • Philipp Cimiano
  • Christian Chiarcos
  • John P. McCrae
  • Jorge Gracia
Chapter

Abstract

This chapter introduces preliminaries that are essential to follow the content in the remainder of this book. First of all, we introduce the core data model of the Semantic Web and linked data, that is the Resource Description Framework, RDF. This format was designed in the 1990s and its core purpose is to represent data and knowledge in a Web-compatible fashion, taking into account that the Web can be regarded as a network of linked sites. RDF allows one to define networks of connected ‘things’ rather than a network of connected documents. We briefly introduce the semantics of RDF and also introduce the most popular serialization formats for RDF, that is N-Triples, Turtle, XML and JSON-LD. Glossing over many details, we briefly introduce the Web Ontology Language (OWL) as a vocabulary to describe ontological and terminological knowledge and SPARQL, the query language for RDF and linked data. Finally, we briefly discuss aspects of publishing linked data.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Semantic Computing GroupBielefeld UniversityBielefeldGermany
  2. 2.Angewandte ComputerlinguistikGoethe-UniversityFrankfurt am MainGermany
  3. 3.Insight Centre for Data AnalyticsNational University of IrelandGalwayIreland
  4. 4.Aragon Institute of Engineering Research (I3A)University of ZaragozaZaragozaSpain

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