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Applications of the Web of Things reach from smart shoes posting your running performance online, over the localization of goods in the production chain, to computing the insurance cost of cars based on the actually driven kilometers. Thereby, Web of Things applications follow the REST paradigm, i.e. access to things and their properties is offered via REST(More)
The term Spatial Data Infrastructure (SDI) was defined in the nineties as a set of policies, technologies and institutional arrangements for improving the availability and accessibility of spatial data and information. SDIs are typically driven by governmental organizations, and thus follow top-down structures based on regulations and agreements. The(More)
'GDI NRW' stands for one of the leading RSDI developments in Europe; with more than 100 institutional members, it forms a living public private partnership. The overall goal of the GDI NRW 2004 joint project is to initialise the operational kernel of the GDI NRW, whereby the term 'operational' here denotes a system operating in its designed function. The(More)
Dieser Beitrag wurde nach Begutachtung durch das Programmkomitee als " reviewed paper " angenommen. Abstract The contemporary efforts regarding Sensor Web Enablement (SWE) pave the way towards an interoperable integration of real-time geosensor data into Geospatial Data Infrastructures (GDIs). Web services establish a key technology within this context. In(More)
With the advent of GI Science and Geographic Information in general public (for example via virtual globes and navigation systems), education systems all over the world start integrating them in their curricula including competences like spatial orientation, spatial learning, and spatial thinking. The presented Geospatial-Learning@PrimarySchool project(More)
—This paper investigates the survivability of a water cleaning facility using Fluid Stochastic Petri Nets (FSPN). Water cleaning facilities are responsible for providing drinking water to a specific district. The provided service is very important and makes such facilities belong to a nation's critical infrastructures. Therefore, such a facility should be(More)