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As the utilization range of smart devices for infrastructure has widen its application owing to flourishing of smart devices, studies on the technologies to graft IT onto underground utilities are actively carried out. In particular, as underground utilities have a characteristic of invisibility, studies on a management system converged with augmented reality are demanded for the efficient management in underground utilities. Accordingly, in this paper, we build a database of undergrounddoi:10.14257/ijsh.2013.7.6.25 fatcat:idb5oge3vrhsrpdx6ei4kzizba