Ontology for observations and sampling features, with alignments to existing models

We introduce new OWL ontologies for observations and sampling features, based on the O&M conceptual model from OGC and ISO 19156. Previous efforts, (a) through the W3C SSN project, and (b) following ISO rules for conversion from UML, had dependencies on elaborate pre-existing ontologies and frameworks. The new ontologies, known as om-lite and sam- lite, remove such dependencies, and can therefore be used with minimal ontological commitment...