• Proceedings of the Korea Contents Association Conference
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• 2014.06a
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• pp.405-406
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• 2014

• Journal of Korea Society of Digital Industry and Information Management
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• v.4 no.4
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• pp.1-8
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• 2008

The USN is important in technique, unmanned observation using wireless network camera, detection technique that use intrusion detection sensor. But these encrypted data transmission and processing technique through sensor network, method of the staff's location recognition and arrangement aren't serviced still as a integrated system in facility security industry. This paper proposed that improve facility management, the staff present recognition and system efficiency using RFID, USN and wireless camera.

• Journal of Industrial Technology
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• v.23 no.A
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• pp.101-107
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• 2003

In university of Korea, the computerization of facility management is lower level than other management areas such as educational matters, administration, library, computing center, teaching assistance, and teaching methodology. So we need urgently the blueprint for an information-oriented and integrated facility management system. In this research, It is presented and implemented an FMS(Facility Management System) for efficient management of the ground and underground facilities on a campus. This studies is computerized the drawings, protocols, and ledgers. It is used a GIS(Geographic Information System) to get the geographical information of facilities. The data more efficiently could be search and update on this system. The decision making process understanding the present facility condition, and analyzing the condition of location could be performed easily by the GUI(Graphic User Interface) of the system.

• Journal of the Korean Operations Research and Management Science Society
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• v.31 no.1
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• pp.91-103
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• 2006

Given a bill of materials (BOM) tree T labeled by the breadth first search (BFS) order from node 0 to node n and a general network ${\Im}=(V,A)$, where V={1,2,...,m} is the set of production facilities and A is the set of arcs representing transportation links between any of two facilities, we assume that each node of T stands for not only a component. but also a production stage which is a possible stocking point and operates under a periodic review base-stock policy, We also assume that the random demand which can be achieved by a suitable service level only occurs at the root node 0 of T and has a normal distribution $N({\mu},{\sigma}^2)$. Then our integrated model of facility location problems and safety stock optimization problem (FLP&SSOP) is to identify both the facility locations at which partitioned subtrees of T are produced and the optimal assignment of safety stocks so that the sum of production cost, inventory holding cost, and transportation cost is minimized while meeting the pre-specified service level for the final product. In this paper, we first formulate (FLP&SSOP) as a nonlinear integer programming model and show that it can be reformulated as a 0-1 linear integer programming model with an exponential number of decision variables. We then show that the linear programming relaxation of the reformulated model has an integrality property which guarantees that it can be optimally solved by a column generation method.

• Journal of the Korean Operations Research and Management Science Society
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• v.24 no.3
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• pp.93-107
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• 1999

We consider the development of an integer programming model and algorithm for the ATM switching node location problem. There are two kinds of facilities, hub facilities and remote facilities, with different capacities and installation costs. Each customer needs to be connected to one or more hub facilities via remote facilities, where the hub(remote) facilities need to be installed at the same candidate installation site of hub(remote) facility. We are given a set of customers with each demand requirements, a set of candidate installation sites of facilities, and connection costs between facilities, We need to determine the locations to place facilities, the number of facilities for each selected location, the set of customers who are connected to each installed hub facilities via installed remote facilities with minimum costs, while satisfying demand requirements of each customer. We formulate this problem as a general integer programming problem and solve it to optimality. In this paper, we develop a branch-and-cut algorithm with path variables. In the algorithm, we consider the integer knapsack polytope and derive valid inequalities. Computational experiments show that the algorithm works well in the real world situation. The results of this research can be used to develop optimization algorithms to solve capacitated facility location problems.

• The Journal of Economics, Marketing and Management
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• v.11 no.3
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• pp.81-92
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• 2023

Purpose: The purpose of this study is to identify the determinants of store occupancy based on the rental characteristics of small and medium-sized enterprises (SMEs) renting buildings across the country, and to analyze the satisfaction level after opening. Research design, data and methodology: The study conducted an empirical survey through questionnaires targeting individual business owners, corporate representatives, and executives and employees nationwide, including Seoul, Gyeonggi, and other metropolitan areas and provincial cities. Results: In this study, the most important factor that SMEs consider when deciding whether to rent a commercial building or office is financial characteristics, followed by management characteristics, location characteristics, building characteristics, and facility characteristics. In addition, management characteristics were found to have the greatest impact on rental satisfaction of SMEs, followed by financial characteristics, building characteristics, and location characteristics in order. Conclusions: Since the lessor cannot immediately improve the location characteristics or building characteristics, in order to increase the rental satisfaction of small and medium-sized businesses in a relatively short period of time, it is necessary to improve managerial characteristics such as prompt civil complaint handling and clean management of the building. In addition, it is analyzed that if the factors that can reduce the burden on the tenants are found in advance and reflected in the financial characteristics, the satisfaction of the tenants can be increased.

• Journal of The Korea Institute of Healthcare Architecture
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• v.30 no.3
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• pp.35-44
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• 2024

Purpose: The purpose of this study is to present basic data on installation location, functional connection, and arrangement to be considered when planning a neonatal intensive care unit in a certified tertiary general hospital. Method: Review the facility standards related to the neonatal intensive care unit, such as laws and guidelines, and select a Certified Tertiary General Hospital as a case hospital among the Neonatal Intensive Care Regional Centers designated by the Ministry of Health and Welfare to analyze the placement characteristics of major NICU components such as the location of the NICU installation, the connection of movement between adjacent facilities and functions, and the treatment room and accessory room. Results and Implications: NICU is a facility for critically ill babies among newborns and needs to consider more about infection and patient management compared to adult intensive care units, which not only install close to delivery-related facilities to enable immediate action after childbirth, but also divide the treatment room into open rooms and allow access to the attached rooms through dedicated corridors to minimize movement in the treatment room.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 1991.10a
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• pp.336-336
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• 1991

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2008.11a
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• pp.670-673
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• 2008

The aim of this study is for performing the efficient and systematic facility maintenance management by using 2D CAD data and the technique of updating spatial DB. The existing system of the facility maintenance management and the performance is not properly made out utilizing the information about the construction drawings. Moreover, the management of the DB renewal, which is about the information of construction drawing, is not carried out properly Furthermore, this study draw the conclusion on the effectiveness of reducing maintaining active by the lack of the interior and exterior location information. This study suggest the method of the efficient maintenance management of facilities by using the technique of updating spatial DB and the facility location information.

• Journal of Cadastre & Land InformatiX
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• v.49 no.2
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• pp.109-122
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• 2019

The expansion of double-income households is increasing the social interest in child care. In particular, children's entrance into elementary school is considered to be the main cause of women's career break as well as childbirth. This study proposes an optimal location selection method for caring facilities for elementary school students. As a candidate for care facilities, we selected existing child care facilities. We proposed a dual structure evaluation method that considers locational characteristics as well as mathematical optimization when selecting the optimal location. The experiment was conducted in Songpa-gu, Seoul. A total of 36 optimal locations were selected from a total of 258 candidate facilities. First, the evaluation criteria were established using public data, and the primary candidate facilities were selected by ranking the location scores. At this time mesh resampling method was used to integrate various public data into one. Next, the final care facilities were selected using the p-median method. The results chosen are not only the optimal location considering total distance but also satisfy various location criteria considering the characteristics of the care facility. We expect that the proposed method will contribute to public data convergence or utilization and it will be helpful for policy decision when selecting the optimal location for public facilities.