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OpenIoT: Open Source Internet-of-Things
in the Cloud
John Soldatos
1
, Nikos Kefalakis
1
, Manfred Hauswirth
2
,
Martin Serrano
2
, Jean-Paul Calbimonte
3
, Mehdi Riahi
3
, Karl Aberer
3
,
Prem Prakash Jayaraman
4
, Arkady Zaslavsky
4
,
Ivana Podnar
arko
5(
&
)
, Lea Skorin-Kapov
5
, and Reinhard Herzog
6
Ž
1
Athens Information Technology, 0.8 Km Markopoulo Ave.,
P.O. Box 68, 19002 Peania, Greece
{jsol,nkef}@ait.gr
2
INSIGHT@ National University of Ireland, Galway, IDA Business Park,
Lower Dangan, Galway, Ireland
{manfred.hauswirth,serrano}@deri.org
3
EPFL IC LSIR,
É
cole Polytechnique F
é
d
é
rale de Lausanne, Station 14,
1015 Lausanne, Switzerland
{jean-paul.calbimonte,mehdi.riahi,karl.aberer}@epfl.ch
4
CSIRO Digital Productivity Flagship, Building 108 North Road,
Acton, Canberra 2617, Australia
{prem.jayaraman,arkady.zaslavsky}@csiro.au
5
Faculty of Electrical Engineering and Computing, University of Zagreb,
Unska 3, 10000 Zagreb, Croatia
{ivana.podnar,lea.skorin-kapov}@fer.hr
6
Fraunhofer IOSB, Fraunhoferstr. 1, 76131 Karlsruhe, Germany
Reinhard.Herzog@iosb.fraunhofer.de
Abstract. Despite the proliferation of Internet-of-Things (IoT) platforms for
building and deploying IoT applications in the cloud, there is still no easy way
to integrate heterogeneous geographically and administratively dispersed sen-
sors and IoT services in a semantically interoperable fashion. In this paper we
provide an overview of the OpenIoT project, which has developed and provided
a rst-of-kind open source IoT platform enabling the semantic interoperability
of IoT services in the cloud. At the heart of OpenIoT lies the W3C Semantic
Sensor Networks (SSN) ontology, which provides a common standards-based
model for representing physical and virtual sensors. OpenIoT includes also
sensor middleware that eases the collection of data from virtually any sensor,
while at the same time ensuring their proper semantic annotation. Furthermore,
it offers a wide range of visual tools that enable the development and deploy-
ment of IoT applications with almost zero programming. Another key feature of
OpenIoT is its ability to handle mobile sensors, thereby enabling the emerging
wave of mobile crowd sensing applications. OpenIoT is currently supported by
an active community of IoT researchers, while being extensively used for the
development of IoT applications in areas where semantic interoperability is a
major concern.
Keywords:
Internet-of-Things
Open source
Semantic interoperability
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