Towards a binary object notation for RDF

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Abstract

The recent JSON-LD standard, that specifies an object notation for RDF, has been adopted by a number of data providers on the Web. In this paper, we present a novel usage of JSON-LD, as a compact format to exchange and query RDF data in constrained environments, in the context of the Web of Things. A typical exchange between Web of Things agents involves small pieces of semantically described data (RDF data sets of less than hundred triples). In this context, we show how JSON-LD, serialized in binary JSON formats like EXI4JSON and CBOR, outperforms the state-of-the-art. Our experiments were performed on data sets provided by the literature, as well as a production data set exported from Siemens Desigo CC. We also provide a formalism for JSON-LD and show how it offers a lightweight alternative to SPARQL via JSON-LD framing.

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Charpenay, V., Käbisch, S., & Kosch, H. (2018). Towards a binary object notation for RDF. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 10843 LNCS, pp. 97–111). Springer Verlag. https://doi.org/10.1007/978-3-319-93417-4_7

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