rootbrowseIAC-13B1session 44. Earth Observation Data Management SystemsPapers1. Block Gain Vector Quantization for Satellite SAR Raw Data Compression2. building a cloud for next generation ground data system of spatial information infrastructure3. Downscaling for infrared resolution enhancement4. Ground Segment Facilities of the European Earth Observation Program Copernicus at the German Aerospace Center5. Ground vs. satellite relay based communications from low earth orbit – a technical, financial and commercial comparison6. gs4eo: a new ground segment for earth observation missions7. INDIA’s VISION FOR NATIONAL GIS (BASED ON EO, POSITIONING, SURVEY AND MAPS, VIRTUAL GI, GEO-TAGGED DATA)8. mapping and analysis of building density in lugbe area of abuja, nigeria using geoinformation technology9. Sentinel-1 PDGS, the GMES ground system for Sentinel 1 satellites operation10. Spot 6 and Spot 7 : offering Spot data continuity