Frank P. McCreedy

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Using Web services, the authors have been able to increase the amount of data accessible through the Naval Research Laboratory's geospatial information database (GIDB) portal. They created a Web crawler for Web mapping services (WMS) that harvests and adds data to the portal index and a translator that provides access to non-WMS data through the WMS(More)
Since 1994 the Digital Mapping, Charting and Geodesy Analysis Program at the Naval Research Laboratory has been developing an object-oriented spatial and temporal database, the Geographic Information Database (GIDBTM). Recently, we have expanded our research in the spatial database area to include three-dimensional synthetic environment (3D SE) data. This(More)
In this article we provide an overview of e-government as it pertains to national security and defense within the Department of Defense (DoD) and Department of Homeland Security (DHS). We discuss the adoption of Web services and service-oriented architectures to aid in information sharing and reduction of IT costs. We also discuss the networks on which(More)
The Naval Research Laboratory’s (NRL) Digital Mapping, Charting and Geodesy Analysis Program (DMAP) team, located at Stennis Space Center, conducts research involving the online storage and manipulation of geospatial data. One aspect of this research concerns metadata. Metadata is “data about data” or simply put, various bits of information that provide an(More)
For efficient retrieval and display of Digital Nautical Chart (DNC®) imagery, a tiled-based approach is presented. By preprocessing the data into persistent image tiles, the presented method can minimize or eliminate image processing steps during the retrieval process. Tile-based approaches define constant image sizes and scales for geographic regions,(More)
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