Enabling Interoperability in the Internet of Things: A OSGi Semantic Information Broker Implementation

Alfredo D'Elia, Fabio Viola, Luca Roffia, Paolo Azzoni and Tullio Salmon Cinotti
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Alfredo D'Elia: ARCES, University of Bologna, Bologna, Italy
Fabio Viola: ARCES, University of Bologna, Bologna, Italy
Luca Roffia: DISI, University of Bologna, Bologna, Italy
Paolo Azzoni: Eurotech Group, Trento, Italy
Tullio Salmon Cinotti: ARCES, DISI, University of Bologna, Bologna, Italy

International Journal on Semantic Web and Information Systems (IJSWIS), 2017, vol. 13, issue 1, 148-168

Abstract: Semantic Web technologies act as an interoperability glue among different formats, protocols and platforms, providing a uniform vision of heterogeneous devices and services in the Internet of Things (IoT). Semantic Web technologies can be applied to a broad range of application contexts (i.e., industrial automation, automotive, health care, defense, finance, smart cities) involving heterogeneous actors (i.e., end users, communities, public authorities, enterprises). Smart-M3 is a semantic publish-subscribe software architecture conceived to merge the Semantic Web and the IoT domains. It is based on a core component (SIB, Semantic Information Broker) where data is stored as RDF graphs, and software agents using SPARQL to update, retrieve and subscribe to changes in the data store. This article describes a OSGi SIB implementation extended with a new persistent SPARQL update primitive. The OSGi SIB performance has been evaluated and compared with the reference C implementation. Eventually, a first porting on Android is presented.

Date: 2017
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