Geographic representation in location coverage modeling

本项目研究使用地理信息系统（GIS）和空间分析方法进行服务提供规划的建模方法。重点是使用位置覆盖模型的预期性能。这些模型的目的是确保为整个地理区域提供合适的服务，但是空间的抽象和表示可能会阻止这种情况发生。这表明在目前的覆盖建模方法中存在可修改的面积单位问题。为了解决这一问题，提出了区域覆盖的空间优化方法，该方法可以具有框架无关的特征。因此，这些新方法不会受到地理空间抽象和表示的显著影响，这是当前建模方法的情况。新的精确和启发式的方法来解决所提出的模型将追求。区域覆盖模式的实质范围很广，从服务/人员调度到应急管理再到环境可持续性。因此，该项目将作出贡献，因为它打算解决与提供紧急服务、特别是设置警笛有关的问题。该项目将探索定量方法，以支持与紧急服务（如警报警报器、雷达和警察局/消防站）相关的地理选址决策。本研究将细化这一特定空间问题域的抽象和建模方式，并在扩展地理信息科学理论的背景下进行。

This project investigates modeling approaches for service provision planning using geographic information systems (GIS) and spatial analytical methods. The focus is on intended performance using location coverage models. The intent of such models is to ensure suitable service is provided to an entire geographic area, yet abstraction and representation of space may prohibit this from occurring. This suggests the existence of the modifiable areal unit problem in current coverage modeling approaches. To address this issue, spatial optimization approaches are proposed for regional coverage that can be characterized as frame independent. As such, these new approaches will not be significantly influenced by the abstraction and representation of geographic space, which is the case with current modeling approaches. Novel exact and heuristic approaches for solving proposed models will be pursued. The substantive context for regional coverage models is broad, ranging from service/personnel scheduling to emergency management to environmental sustainability. Thus, the project will make contributions through its intent to address issues associated with emergency service provision, and warning siren siting in particular.This project will explore quantitative approaches for supporting geographical siting decisions associated with emergency services, such as warning sirens, radar, and police/fire stations. This research will refine how this particular spatial problem domain is abstracted and modeled, and doing so in the context of expanding geographic information science theory.