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Federal Geographic Data Committee Homeland Security Working Group
Federal Geographic Data Committee Homeland Security Working Group
2015/12/18
The Federal Geographic Data Committee (FGDC) Homeland Security Working Group (HSWG) ensures that the National Spatial Data Infrastructure (NSDI) supports the preparation for, prevention of, protection...
Multi-Representation Geographic Data Organization Method Dedicated for Vector-Based WebGIS
Multi-Representation Data Structure Vector Data Zoom Quadtree Vector Pyramid WebGIS WFS
2015/12/17
The paper proposed a Quadtree-based vector data structure which supports multi-representation of geographic data: Zoom Quadtree, it aims to meet the requirement of vector-based WebGIS in efficient ret...
A Method on Connection Pool Service for Distributed Heterogeneous Databases in Urban Geographic Information Public Platform
Distributed Database Connection Pool CSCW Data Process Public Platform
2015/12/17
Today with the fast advancement of spatial data acquisition ability, the update circle of data becomes shorter and shorter and the volume of spatial data increases more and more, and distributed stora...