An ontology for satellite databases

Abstract

This paper demonstrates the development of ontology for satellite databases. First, I create a computational ontology for the Union of Concerned Scientists (UCS) Satellite Database (UCSSD for short), called the UCS Satellite Ontology (or UCSSO). Second, in developing UCSSO I show that The Space Situational Awareness Ontology (SSAO) (Rovetto and Kelso 2016)-—an existing space domain reference ontology—-and related ontology work by the author (Rovetto 2015, 2016) can be used either (i) with a database-specific local ontology such as UCSSO, or (ii) in its stead. In case (i), local ontologies such as UCSSO can reuse SSAO terms, perform term mappings, or extend it. In case (ii), the authors orbital space ontology work, such as the SSAO, is usable by the UCS Database and other space object catalogs from distinct organizations, as a domain ontology suite providing a common semantically-rich domain model. The SSAO, UCSSO, and the broader Orbital Space Environment Domain Ontology project is online at http://ift.tt/2p5fash and GitHub. This ontology effort aims, in part, to provide scientifically-accurate formal representations of the domain for various applications and to afford the sharing and integration of satellite data from federated databases and sensors toward safer spaceflight.

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