S&M Young Researcher Paper Award 2020
Recipients: Ding Jiao, Zao Ni, Jiachou Wang, and Xinxin Li [Winner's comments]
Paper: High Fill Factor Array of Piezoelectric Micromachined
Ultrasonic Transducers with Large Quality Factor

S&M Young Researcher Paper Award 2021
Award Criteria
Notice of retraction
Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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Design of 3D Data Model of Underground Utilities in Korea Using CityGML Application Domain Extension

Da Woon Jeong, Seon Cheol Yu, and Jong Wook Ahn

(Received July 15, 2021; Accepted September 27, 2021)

Keywords: 3D data model, underground utilities, CityGML, utility network, Korea

In this study, we establish a 3D data model of underground utilities that applies international spatial information standards correspondingly, and we design a data model based on this model to improve the systematic construction and management of underground utilities information and its accuracy and quality. The detailed research procedure is as follows. First, through a review of the existing system status and preceding studies, the necessity of this study and how it is differentiated from existing studies are derived by reviewing domestic and overseas research trends related to underground utilities and the current status of existing underground information systems. Second, considering the establishment of a 3D data model, we selected a reference model suitable for expressing underground utilities information by comparing and reviewing international standards, and this model was used as the basis of the data model. Lastly, regarding the design of a data model for underground utilities, a 3D data model of an underground utility based on international standards was designed using a Unified Modeling Language (UML) diagram based on previously defined contents. On the basis of these results, it is expected that the 3D data model for underground utilities with improved consistency with the real world for both above-ground and underground spaces will improve the accuracy and utilization of existing underground information.

Corresponding author: Jong Wook Ahn

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