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Service-oriented architecture supports data and model sharing and interoperability. The concept of such a service-oriented and distributed architecture is applied to build and integrate web-based service models of ecological resources quantitative measurement. The paper is to develop and integrate a GI web service by using an algorithm that calculates net primary productivity of terrestrial veg...

As a basic data structure in geometry, theoretical and computational aspects of Voronoi diagrams (VDs) and multiplicatively weighted Voronoi diagrams (MWVDs) have been widely researched and applied. But few algorithms are implemented in combination with geographic information system (GIS) softwares for practical use. A vector-based algorithm based on ArcGIS Engine (AE) is proposed to generate V...

The golden time and measure of agility during the emergency is that hour when the incident has occurred. Recovery and response should be served promptly to minimize the risk of losing life and property. Therefore this paper examines(analyze) and determines(clarifies) the concurrent(real time) application of Android, GIS, and web base system that is focusing on those exceptional areas where the ...

Centralized data storage and data exchange is a key issue in many interdisciplinary research projects that focus on environmental field studies and regional modelling on various scales. Furthermore, the overall success of such projects depends on a well organized and prepared graphical representation of spatial project data within web mapping applications. In this contribution, we introduce the...