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To help users find optimal rescue and evacuation routes, this approach uses the extended hierarchical node relation model (EHI-NRM) to represent a building's internal structure. The approach also employs the improved cellular-automata model (ICA) to consider route-choice behavior, such as spatial reasoning and communication among evacuees.
With the widespread use of PDAs, wireless internet, Internet-based GIS, 3G and 4G telecommunications, the technology supporting mobile GIS is rapidly gaining popularity and effectiveness. research on employing geographic data on mobile devices has received a substantial boost, due to the growing availability and increasing power of PDAs and cellular phones. However, a whole and general modeling and...
Based on the analysis of the system requirement of the emergency management information system of Qinghai-Tibet railway line (EMIS-QTRL), a layered EMIS-QTRL architecture including 4 vertical layers and 2 supporting layers, which are network layer, data layer, service layer, application layer, security layer and standard layer, was put forward. The new design system can satisfy the requirement of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.