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A Web-based GIS provides simplicity and interactivity such that some simplified functions of the watershed management can be open in Internet/Intranet for specific users or general public users. A palm-size GPS device provides location information, x and y coordinates, in the observation site that can bring all associate data of physical, chemical, and biological conditions. This paper presents an...
Software evolution techniques have been traditionally concentrated on the code level. However, recent researches have shifted the focus of evolution from the code level to the architectural level. In this paper, we proposed a formal modeling method of dynamic evolution of web-based systems at the architectural level using hypergraph grammars. We represent architectures of web-based systems with hypergraphes,...
The rapidly development of the network scale, complexity and heterogeneity in telecommunication network significantly increased the difficulty for the work of network management. This paper proposed a new kind of architecture for constructing Web based and distributed telecommunication network management system. The architecture is constructed by a group of servers, such as the back end server, the...
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