Comments sought on the Semantic Sensor Network (SSN) Ontology,

Dear all,

The Spatial Data on the Web Working group is trying to advance its current work on the Semantic Sensor Network (SSN) Ontology document, available at, through to formal W3C Recommendation.

The purpose of revisiting the original SSN ontology was to address the issue of its complexity, partly due to its layering underneath the Dolce-UltraLite upper level ontology. In response to this, the new Semantic Sensor Network ontology [1] offers several ontology subsets that are distinguished mainly through their ontological commitments. At its core, a new ontology is proposed, namely the Sensor, Observation, Sample, and Actuator (SOSA) ontology [2]. SOSA acts as a central building block for the SSN, but puts more emphasis on light-weight use and the ability to be used standalone, in particular, in a Web context providing an experience more related to It also introduces, as the name suggests, additional terms pertaining to Actuation, a concept of growing importance in the Web of Things and new terms around Sampling.

If you are a user of the original Semantic Sensor Network ontology [3] and/or are interested in using the new set of ontologies and wish to make comments on the revised version, your comments will be very welcome. Please send any comments to<> rather than this list.

The Working Group is short of time so the sooner comments are received the better.

Kind regards,




Armin Haller, PhD
Senior Lecturer
RSM/RSCS, Australian National University
P.A.P. Moran Building (26B), Room 1049
Ph: +61 2 612 55020<>
CRICOS Provider: 00120C

Received on Thursday, 20 April 2017 06:31:03 UTC