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River generalization is an important part of Geographic Information System. Traditional research is focused on how to extract river systems of electronic maps correctly. They just delete rivers with low levels while not regarding redundant points of rivers of electronic maps or whether the speed of their methods could meet the users' demands. In this paper, we propose a method which filters out redundant...
Interpolation is a significant problem in Geographic Information System and many other fields. Kriging interpolation is thought as optimal interpolation which has high quality but time-consuming at the same time. We use Quad-Tree method which is thought as the only suitable method to locate the pixel images in two-dimension to create spatial index. There are mainly three variants of kriging. We mainly...
Automated compositional reasoning using assume-guarantee rules plays a key role in large system verification. A vexing problem is to discover fine decomposition of system contributing to appropriate assumptions. We present an automatic decomposition approach in compositional reasoning verification. The method is based on data mining algorithms. An association rule algorithm is harnessed to discover...
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