Abstract
While OWL, the Web Ontology Language, is often regarded as the preferred language for Knowledge Representation in the world of the Semantic Web, the potential of direct representation in RDF, the Resource Description Framework, is underestimated. Here we show how ontologies adequately represented in RDF could be semantically enriched with SPARUL. To deal with the semantics of relations we created Metarel, a meta-ontology for relations. The utility of the approach is demonstrated by an application on Gene Ontology Annotation (GOA) RDF graphs in the RDF Knowledge Base BioGateway. We show that Metarel can facilitate inferencing in BioGateway, which allows for queries that are otherwise not possible. Metarel is available on http://www.metarel.org.
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Blondé, W., Antezana, E., De Baets, B. et al. Metarel: an Ontology to support the inferencing of Semantic Web relations within Biomedical Ontologies. Nat Prec (2009). https://doi.org/10.1038/npre.2009.3562.1
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DOI: https://doi.org/10.1038/npre.2009.3562.1