• Architectural research
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• v.24 no.3
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• pp.63-74
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• 2022

Since lost child occurs frequently around us and there is a possibility of leading to an accident or a crime subsequently, it is necessary to study and have a plan for preventing child loss in advance. However, the preceding studies do not systemize the causes of child loss by places or situations, and the policy focuses only on the countermeasures afterward instead of prevention. In such perspective, this study derived the causes of child loss through the analysis of 202 cases by the bottom-up method. In addition, the causes were analyzed by dividing them into as negligence of guardian, breakaway of child, and environmental characteristics. As a result, it is found that children get lost by complex reasons usually with two or three causes combined together. And children got lost when guardians were not able to pay attention to their children, or when children moved away from their guardians. Furthermore, the environmental characteristics act as the catalyst by arousing child loss or making it more difficult for guardian to find the lost child. As a fundamental research, this study may be helpful in developing a environmental design certification system for preventing child loss in advance.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.17 no.6
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• pp.181-186
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• 2017

Child crimes such as child abduction and lost children(MIA) have long been pointed out as social problems. However, there are few ways to solve these problems. According to MIA statistics, about 3,000 babies are lost each year. This paper presents a study on prevention of lost children ratio using mobile LBS in order to reduce the incidence of lost children ratio in dense space. First, we input the personal information of the child and the contact information of the parent. Second, we use the Google Maps API to get the location (parent's location, child's location) information. Third, the personal information of the child and the parent is indicated in the obtained location information. In future research, based on SNS, we will carry out research on sending child location information and parent location information via SMS. It is expected that the prevention system of lost child using LBS and SNS will make a great contribution to reduce the lost children ratio in the ubiquitous society.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.36 no.5
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• pp.59-70
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• 2020

The purpose of this study is to derive the environmental factors affecting child loss through correlation analysis between child loss and pedestrian density. The status of lost children was identified through the lost child records and interviews in large parks. In addition, the behavior survey was conducted by photographing the entire outdoor of each park, and visitors was marked on the behavioral maps. Also, the pedestrian density was analyzed by GIS as 100㎡ and 1㎡ grid. As a result, child loss was related to the pedestrian density rather than the number of visitors or the area. Especially, 'Dynamic pedestrian density' and 'Ratio of pedestrian in high density to area' was related to child loss. In other words, the more dynamic behaviors such as play and movement appear, and the more the local area of high density, the higher the probability of child loss. In addition, environmental factors that induce such high density include bottlenecks, overlap of circulation due to multi-functionality of space, concentration of rides, and concentration of guardians due to visual obstacles.

• Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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• 2007.04a
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• pp.395-398
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• 2007

Losing a child is one fear parents never want to experiences. Nothing can take away the anguish of it. Unfortunately, it happens all too often. A lost child problem is the social problem that all parents should be worried about. To this, this study applies RFID for lost child prevention. RFID technology is developing to position recognition technology in addition to functions to distinguish a thing. Although RFID is not designed for location sensing, but now it is regarded as a device to facilitate real time location awareness. It is also possible to transfer information in the USN. Those advantages of RFID can be integrated with LBS achieving much synergy. However, such technology is mostly used indoors and outdoor research case is short. Therefore, this study is the preceding study having progressed to actual application. This study verifies technical applied service, and presents a system configuration model. Finally, this paper confirms lost child prevention system utilization possibility.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2008.10a
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• pp.270-273
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• 2008

In this paper we propose new service model preventing an old person of dementia and a lost child as an application using the conventional fingerprint reader. If our model is applied to mobile terminal such as a PDA, it can be used the more easily anytime, everywhere. Moreover the problems preventing an old person of dementia and a lost child can be resolved in a systematic side as a more scientific and economic method.

• Journal of Korean Academy of Nursing
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• v.33 no.6
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• pp.847-855
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• 2003

Purpose: This study was done to develop a bereaved family care program by identifying characteristics of a grief healing process in a child loss. Method: The subjects were five bereaved mothers who have lost their children with cancer. Data was collected with in-depth interviews using grief phase assessment tool and grief reaction assessment tool from 1, February, 2001 to 31 August, 2002. Data was analyzed on the basis of two tools. Result: Process of grief in general was as follows: evading phase was within one week - one month, confrontation phase was 5 - 12 months, and reconciliation phase was after 9 months and still going on when the study was finished. Grief reaction in five (physical, cognitive, emotional, social, and spiritual) dimensions was stabilized when the phase moved into reconciliation phase. Influencing factors were intimacy and expectation towards child, social support, personality, prior loss experience, coping style, religion, culture, family cohesion, openness of communication, and stress events. Conclusion: These results suggest that a bereaved family care program considering characteristics of Korean culture should be developed and activated.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.36 no.1
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• pp.49-60
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• 2020

Although the number of child loss in commercial facilities has been growing recently, the prevention method for child loss are still lacking in the environmental aspect. This research examines the causes of lost child in behavioral aspects in order to develop a guideline to prevent child loss in U.E.C. The observational study on the behaviors of guardians and children was conducted in the U.E.C that is visited by many customers accompanied with children. Then the results of the observational study were marked on the behavioral maps. After analyzing the behavioral maps, the causes of child loss were determined by classifying into behaviors by age and behaviors by functional space. As a result, when guardian is unable to pay attention to child by doing something else such as making a purchase, or an inquiry, child may lose guardian by going towards the interesting factors or playing around. Moreover, if the spaces related to children are located at the node with high pedestrian density and open structure or the environment that is hard for the guardians to watch over their children, it will be easy for guardians to be inattentive to their children, and get separated from each other.

• Clinical and Experimental Pediatrics
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• v.53 no.7
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• pp.741-744
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• 2010

Purpose: To evaluate the long-term safety of polyethylene glycol (PEG) 4000 in children with constipation, particularly the biochemical aspects of safety. Methods: Medical records were evaluated, and 100 children, who had been taking PEG 4000 for more than 6 months, and who had been under clinical and biochemical monitoring, were enrolled. Ages; $6.11{\pm}3.12$ years, Duration of therapy; $16.93{\pm}7.02$ months, dose of PEG 4000; $0.72{\pm}0.21g/kg/d$. Results: None of the children complained of clinical adverse effect. The first biochemical test was performed at 8.05 months after beginning of PEG 4000. Serum phosphate (SP) value was high in 10 children, and leucopenia was noted in one child. The second test was performed in 44 children at 7.57 months after the first test. The SP value was high in four children, including the three children whose initial SP value was high and one new child. Six out of 10 children with high initial SP value became normal and one was lost. Hypernatremia was noted in one child. The third test was done in 15 children at 7.5 months after the second test. The SP value of the new child from the second test was high, but became normal after finishing treatment. Two out of 3 children with high SP value at the second test became normal and one was lost. The fourth test was done in 2 children few months after the third test. All of the results were normal. There were no relation between duration of therapy and hyperphosphatemia, or between dose of PEG 4000 and hyperphosphatemia. Conclusions: PEG 4000 is safe for long-term therapy in children with constipation with respect to biochemical parameters.

• Korean Journal of Child Studies
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• v.30 no.6
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• pp.309-321
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• 2009

This study examines trends of children's play in Korea, and academic, pragmatic, and policy issues related to it. For the purpose, the researchers reviewed play theories, national and international views of play specialists, and research articles on children's play in selected academic journals published in Korea for the last 30 years. Although Korea has been active academically as well as politically in recognizing the importance of children's play, children's play in Korea seems to have lost its position, the true value of it being often distorted or unidentified. Many specialists worn that the deprivation of play opportunities increasing in modern societies will result in many serious problems. Play research therefore need to strengthen its power by being more accountable and broadening its foci toward solving such predictable problems.

• Child Health Nursing Research
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• v.13 no.3
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• pp.329-337
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• 2007

Purpose: This study was done to describe the essential structure of the lived experience of working women raising children. Method: Data were collected from 10 employed women with children who were under 2 years of age. The analysis of the data was done using the phenomenological analytic method suggested by Colaizzi (1978). Results: In this study, 6 essential themes were extracted: 'knowing by intuition child-rearing is difficult', 'having guilt-conscious of not being able to perform duties as a mother', 'hard work of maintaining two jobs', 'Lost self', 'realizing that one has become amother', 'thirsting for a social support system'. Conclusion: With a rapidly increasing number of working women, the significance of this study in the field of nursing is in understanding the child-rearing experience of working women. The findings indicate the need for a systemic and emotional support system for working women raising children.