background: tuberculosis (tb) spread pattern is influenced by geographic and social factors. nowadays geographic information system (gis) is one of the most important epidemiological instrumentation identifying high-risk population groups and geographic areas of tb. the aim of this study was to determine the correlation between climate and geographic distribution of tb in khuzestan province usi...

background: iran is a vast country with great variability in ethnicity and geographical regions as well as higher diversity in socioeconomic and demographic factors in different provinces. all these differences could influence the growth indicators of children and may result in a substantial inequality in the distribution of growth indexes across iranian provinces. this study aimed to determine...

Topological relations between geographic objects are among the most important kinds of relations to manage in Geographic Information Systems (GIS). However, it its very expensive in storage space to keep these relations explicitly stored. Therefore, the relations are usually not directly stored, but they are inferred from the geometry of the objects. Furthermore, the inference of the topologica...