Abstract
Mobile GIS applications provide tools to make data collection and analysis of field dataeasier and more convenient. By the traditional methods, access and correctionof data collected in the field always takes time and low accuracy. The field data is represented through diagrams and marked on paper maps. Afterthat, theabove paper maps were transferred to the office for interpretation and dataentry into the GIS database. This method shows that GIS data is not regularly updated.The selected study area is Cao Bang Province, where is the mountainous provincein the northern region of Vietnam. Due to the underdeveloped telecommunication infrastructure and complex topography, updating and analyzing maps on MobileGIS applications in the field such as along the borderline and patrol roads inthe forest are difficult. To overcome the limitations of Cao Bang's Internet connection infrastructure, offline map storage technology has been proposed. Offline technology allows storing and displaying maps even when there is nonetwork connection. In addition, offline maps allow the collection and storageof offline data right on mobile devices. The collected data will besynchronized to the server as soon as the Internet connection is available. Inthis report, we will present solutions that enable offline map storage for the management of border features in Cao Bang province.
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