- New project landing page URL: https://purl.org/space-ontology/ssao
- Future location of OWL file: https://purl.org/space-ontology/ssao.owl
- The ontology needs formal support to continue and sustain development. Donate here: GoGetFunding, or PayPal or Patreon. You may also Contact here to discuss other formal support.
- NOTE: The content of this repository is being moved to https://github.com/rrovetto/Orbital-Space-Ontology-Project (see http://purl.org/space-ontology) for a more centeralized and unified struture. This repository will remain onsite.
The SSA ontology is an ontology of the space situational awareness (SSA) domain [2]. It offers a conceptual model of the relevant concepts and entities, and both (un)defined terminology for SSA. SSAO aims to formally and computationally represent the relationships between astronomical entiteis, such as objects near Earth (or other planetary reference frames), and annotate orbital and other SSA content to help with various applicaitons.
The scope of SSAO, and its domain, is subject to revision, but minimally includes that which affords awareness and knowledge of a given outer space environment, more notably the orbital and near-Earth space environment. As such, it provides a generic conceptual model applicable to any space environment and central body, while also applicable to Earth. The scope includes: observation, detection, identification, tracking, re-identification, and propagation (prediction of future behavior/motion) activities of objects in orbit; and data thereof. In addition to these SSA activities, the SSA domain can be construed to extend to the objects (satellites) and events in orbit. Sub-domain ontologies can alternatively represent these entities for a more modular architecture, e.g., in an Orbital Object Ontology, Orbital Event Ontology, etc. The relationships between these entities are also critical to fully capture the overall space domain [3][4].
Various ontology architectures are under consideration. A self-contained module, usable by itself, but also part of the author's wider space domain knowledge modeling suite of ontologies and other knowledge organization systems.
- To support SSA, space safety and sustainability
- To mitigate orbital debris hazards
- A focus application is facilitating awareness of orbital space surrounding Earth, toward ensuring safety and security of Earth and space-borne assetts (satellites, etc.).
- To innovate by exploring the utility of ontology and related systems to spaceflight and other space topics
- To facilitate content search and retrival
- ... The overall project (http://purl.org/space-ontology) is to apply ontology to space data for various potential applications, such as data-sharing; integration among orbital debris, space object catalogues, and other SSA databases; automated reasoning, knowledge discovery, semantic search, and interoperability.
The SSAO has been used in an ontology-oriented orrery project at NASA by Dr. D.A. O'Neil, presenting two 3D visualizaitons, one here and one here
- In-progress as circumstances permit. Subject to revision.
- As a unfunded personal project since inception, continued development is dependent on circumstances. Formal support is needed to complete and sustain development to realize the full project vision. The vision is ambitious, multidisciplinary and detailed. Contact the author to formally support the project in some way. Donations are welcome at the below web-links.
- ACTIVELY NEEDING: financial support, employer support, stable environment with resources to development and continue learning, etc.
- Desired as my PhD or other graduate project
As an unfunded personal project, you can help by offerring financial support, employment opportunities, graduate study opportunities whereby this can be part of my thesis or projects, co-authorship on papers or proposal, mentorship, voluntary technical expertise/servies for desired functionalities of my project, relevant datasets to apply the ontology to, and to be a user of the ontology(s). Contact, or schedule a meeting
- Donate:
- Contact here if interested in purchasing use of the SSAO OWL File.
- With sufficient formal support, a version may become open.
- [1] “An Ontological Architecture for Orbital Debris Data”, Robert J. Rovetto (Aug 6 2015) Earth Science Informatics, 9(1), 67-82 (submitted 2014). Springer Berlin Heidelberg. DOI: 10.1007/s12145-015-0233-3
- [2] “Preliminaries of a Space Situational Awareness Ontology”, Rovetto,R.J. & T.S. Kelso. In Advances in Astronautical Sciences, Univelt. Presented at 26th AIAA/AAS Space Flight Mechanics meeting, Napa, CA, USA Feb 14-18th, 2016.
- [3] "The Orbital Space Environment and Space Situational Awareness Domain Ontology – Towards an International Information System for Space Data", Rovetto, R.J. The Advanced Maui Optical and Space Surveillance Technologies Conference (AMOS) 2016, (Paper, and Poster presentation)
- [4] "Orbital Space Environment and Space Situational Awareness Domain Ontology", Rovetto, R.J. In CEUR workshop proceedings for The Joint Ontology Workshops, at the 9th International Conference of Formal Ontology for Information Systems (FOIS) Early Career Symposium, Annecy, France July 2016.
Robert J. Rovetto - Space Ontologist Conceptual Engineering, Knowledge modeling, Terminology
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