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Avaliação comparativa de formatos de informação geo-referenciada em contexto militar
NATO (North Atlantic Treaty Organization) has recently developed a new geo-referenced data format, NATO Vector Graphics (NVG), to encode geo-referenced information sent between command and control systems. There are several geo-referenced data formats currently available in the market, which could have, from a technical point of view, been a credible option for NATO, speciﬁcally, open formats such W3C (World Wide Web Consortium) or the OGC (Open Geospatial Consortium). Nevertheless, whether it was due to the unavailability of some of the other formats during the initial development of NVG, or because of their complexity or inappropriateness in a military context, NATO decided to invest in the development of a new geo-referenced data format. There are no known comparative NVG studies against other format alternatives, which would permit a substantiated analysis with respect to the advantages and disadvantages of using NVG in comparison with the others. In order to understand if there are better alternatives to NVG in military context, I propose in this dissertation to carry out a comparative evaluation of the NVG format against the following formats: Scalable Vector Graphics (SVG), Keyhole Markup Language (KML) and Geography Markup Language (GML). This evaluation will be based on a qualitative study of the different format characteristics, and a quantitative analysis, performed from a simulator wich will exchange georefereced information between commmand control systems, developed in the scope of this work, which will allow to compare the various formats with appropriate metrics. The principals contribute of this dissertation are: i) qualitative comparison of the formats in assessment resulting from a systematic study of each speciﬁcation, using the same criteria, ii) Design and implementation of a military scenarios simulator iii) Selection of metrics for the evaluation of various data formats and implementation of a system for automatic collection of such metric; iv) quantitative comparison between the various georeferenced data formats in a military scenario.
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