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SOSA: A lightweight ontology for sensors, observations, samples, and actuators

By Krzysztof Janowicz, Armin Haller, Simon J.D. Cox, Danh Le Phuoc and Maxime Lefrançois

Abstract

International audienceThe Sensor, Observation, Sample, and Actuator (SOSA) ontology provides a formal but lightweight general-purpose specification for modellingthe 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 modelling 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 https://www.w3.org/TR/vocab-ssn/

Topics: Schema.org, Internet of Things, Web of Things, Linked data, Actuator, Observation, Sensor, Ontology, [INFO.INFO-WB]Computer Science [cs]/Web
Publisher: 'Elsevier BV'
Year: 2019
DOI identifier: 10.1016/j.websem.2018.06.003
OAI identifier: oai:HAL:hal-01885202v1
Provided by: HAL-UJM
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