conclusions to resolve the unequal geographic distribution of physicians, it is necessary to consider the key factors affecting the attractiveness of a district for gps and the existing demand for health services. attempting to resolve the developmental inequalities among different districts, as well as implementing motivational policies to encourage physicians to work in less developed distric...

Location-aware applications require a geographic location service of Internet hosts. We focus on a measurement-based service for the geographic location of Internet hosts. Host locations are inferred by comparing delay patterns of geographically distributed landmarks, which are hosts with a known geographic location, with the delay pattern of the target host to be located. Results show a signif...

Geographic dynamics refers to the development of processes that shape our environment. While geographic dynamics is central to geographic understanding, the current GIS technology is incapable of capturing information that reflects the working of geographic processes, such as spread of a wildfire, development of a weather system, and propagation of a disease. Inability to represent geographic d...