SOSA: A Lightweight Ontology for Sensors, Observations, Samples, and Actuators

Published on May 1, 2019in Journal of Web Semantics1.897
· DOI :10.1016/J.WEBSEM.2018.06.003
Krzysztof Janowicz49
Estimated H-index: 49
(UCSB: University of California, Santa Barbara),
Armin Haller19
Estimated H-index: 19
(ANU: Australian National University)
+ 2 AuthorsMaxime Lefrançois11
Estimated H-index: 11
(ENSMP: Mines ParisTech)
The Sensor, Observation, Sample, and Actuator (SOSA) ontology provides a formal but lightweight general-purpose specification for modeling the interaction between the entities involved in the acts of observation, actuation, and sampling. SOSA is the result of rethinking the W3C-XG Semantic Sensor Network (SSN) ontology based on changes in scope and target audience, technical developments, and lessons learned over the past years. SOSA also acts as a replacement of SSN’s Stimulus Sensor Observation (SSO) core. It has been developed by the first joint working group of the Open Geospatial Consortium (OGC) and the World Wide Web Consortium (W3C) on Spatial Data on the Web. In this work, we motivate the need for SOSA, provide an overview of the main classes and properties, and briefly discuss its integration with the new release of the SSN ontology as well as various other alignments to specifications such as OGC’s Observations and Measurements (O&M), Dolce-Ultralite (DUL), and other prominent ontologies. We will also touch upon common modeling problems and application areas related to publishing and searching observation, sampling, and actuation data on the Web. The SOSA ontology and standard can be accessed at .
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