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Copyright © 2013 Open Geospatial Consortium
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6 Experiment Overview
6.1 Purpose
The purpose of the Military Operations Geospatial Interoperability Experiment MOGIE was to test the hypothesis proposed in the “Geolocation Accuracy and Precision in NIEM” paper that using the National
Information Exchange Model
1
NIEM v2.1 and v3.0 technical concepts does not introduce any changes in data related to accuracy and precision Reference Appendix A.
In addition, MOGIE tested the theory that data may be read by a client without a priori access and knowledge of the data to demonstrate sharing data via OGC web services provides broader community interoperability than
data shared without OGC services.
6.2 Background
This experiment came about as a result of community feedback on the Department of Defense DoD Command and Control C2 Core
2
in 2011. At that time, C2 Core was an emerging data exchange capability within DoD that was 93 aligned with the NIEM v2.1 Naming and Design Rules NDR. During the evaluation and piloting
of C2 Core, community members expressed concern that using the “adapter pattern” prescribed by the C2 Core v2.0 NDR would have an impact on the accuracy and precision of maritime navigation systems.
In response to these concerns, MITRE conducted a desktop analysis which concluded NIEM technical concepts would have no impact on data related to accuracy and precision. This analysis provided the basis for the
“Geolocation Accuracy and Precision in NIEM” paper in Appendix A of this report. In the end, not all critics were satisfied with the results of the MITRE analysis. This provided the impetus for MOGIE to demonstrate the
conclusion of the MITRE analysis was in fact valid and correct.
Two weeks after the MOGIE kickoff meeting in March 2013, the DoD CIO issued a memo announcing the decision to adopt the NIEM for standards based data exchanges. The memo also stated that future enhancements
to C2 Core would not be supported, and C2 Core would form the initial content in a DoD sponsored Military Operations MilOps domain within NIEM. Reference Appendix D
Immediately after the release of the DoD CIO memo, the three MOGIE initiators all agreed to remove “C2 Core” from the experiment’s activity plan and replace it with “NIEM”. Support for this decision was in large part
because the C2 Core v2.0, NIEM v2.1 and NIEM v3.0 naming and design rules pertaining to the “adapter pattern” were identical. The only condition placed on this modification was to ensure preservation of the C2
Core lineage in the background section of this report.
A complimentary effort was also conducted in the OGC Geo4NIEM
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, which was led OGC members, supported by commercial vendors, and sought to:
Develop recommendations for the inclusion and standard use of embedded GML with NIEM IEPDs. Develop recommendations for the standardized use of Naming and Design Rules and the use of
adaptors e.g. NIEM wrapper for GML . Test and demonstrate use of a standardized embedded GML and adaptors within NIEM IEPDs.
Develop architecture documentation and fact sheet for the use of embedded GML and adaptors for use with NIEM IEPDs.
Develop recommendations for the inclusion of a Geospatial Domain within NIEM.
1
http:niem.gov
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https:c2core.gtri.org
3
https:portal.opengeospatial.org?m=projectsa=viewproject_id=428
OGC 13-080r3
Copyright © 2013 Open Geospatial Consortium
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6.3 Description
