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Positioning technology is a core component of the ubiquitous computing environment. Radio Frequency IDentificaiton (RFID) is recognized as a powerful means of replacing not only barcodes for product identification but also conventional positioning systems in unfavorable situations such as indoor and obstacle laden sites. The objective of this study was to(More)
The purpose of this research is to establish real-world infrastructures of a future high-tech city using construction technology (CT)-IT fusion. This paper is composed of three parts; updating accurate geo-spatial database using construction drawings, providing the information of the 3D geo-spatial database via Web service. Building databases for stationary(More)
Geospatial information and service technology has evolved from 3-dimensional geospatial information to multidimensional geospatial information, and further advanced into a service that associates real-time multi-dimensional geospatial information and non-visual information. The geospatial information service supplied only visual location and attribute(More)
In the real world it is very difficult to implement real-time models in uncontrolled distributed environments and to support well-defined interfaces from real-time systems to external systems. An ongoing project for ubiquitous computing environments, u-GIS based informative construction technology innovation project needs a system to handle and control(More)
This paper displays how to derive the factors of Ubiquitous Sensor Network (hereafter, USN) technology that comprise inspection, plan, construction and maintenance ahead of launching construction of intercity highways that are the key to civil constructions for urbanization. And it also shows the plan of USN technologies currently adopted in each process of(More)
The application of ubiquitous technology in Korea has been expanded with city as the center, but establishing U-Technology utilization plan for farm village and forest is required now according to pan-national growth strategies recently came to fore including national balanced development, sustainable development, and green growth.
Geospatial information is used as a core base information for U-City in all areas including planning, construction, operation, and management, and it is a service factor inevitable for U-City residents' convenience and safety. Spatial information required for U-City are digital map, ortho image, various facilities drawing, estate site plan, and so on. In(More)