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Towards Graphical Query Notation for Semantic Databases

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Part of the Lecture Notes in Business Information Processing book series (LNBIP,volume 229)

Abstract

We describe a notation and a tool for schema-enabled visual/diagrammatic creation of SPARQL queries over RDF databases. The notation and the tool support both the standard basic query pattern comprising a main query class and possibly linked condition classes and means for aggregate query definition and placing conditions over aggregates including also aggregation of aggregate results. We discuss the applicability of the tool for ad-hoc query formulation in practical use cases.

Keywords

  • Visual query creation
  • SPARQL
  • RDF databases
  • Semantic technologies

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Notes

  1. 1.

    The ontology editor can be downloaded from http://owlgred.lumii.lv/.

  2. 2.

    The prefix ont: in the examples stands for http://lumii.lv/ontologies/UnivExample.owl that is the URI for the mini-University ontology itself.

  3. 3.

    http://viziquer.lumii.lv/.

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Acknowledgements

This work has been supported by European Union within the ERDF project ‘Granular ontology tools for data analysis’ (Project No. 2DP/2.1.1.1.0/14/APIA/VIAA/072) and Latvian State Research program NexIT project No.1 ‘Technologies of ontologies, semantic web and security’.

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Correspondence to Kārlis Čerāns .

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Čerāns, K., Ovčiņņikova, J., Zviedris, M. (2015). Towards Graphical Query Notation for Semantic Databases. In: Matulevičius, R., Dumas, M. (eds) Perspectives in Business Informatics Research. BIR 2015. Lecture Notes in Business Information Processing, vol 229. Springer, Cham. https://doi.org/10.1007/978-3-319-21915-8_19

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  • DOI: https://doi.org/10.1007/978-3-319-21915-8_19

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