• Korean Journal of Social Welfare Studies
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• v.48 no.3
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• pp.171-208
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• 2017

The purpose of this study is to classify the underlying and parsimonious types of child maltreatment and examine whether the effects of risk factors on child maltreatment recurrence differ by type of maltreatment. We utilized the multiyear national administrative data from the National Child Maltreatment Information System collected by Child Protection Agency in Korea. Of 26,921 child maltreatment victims reported and substantiated on or after January 1, 2012, 1,447 children who had recurrence of child maltreatment until December 31, 2015 were selected as maltreatment recurrence group and 4,580 children who had not experienced maltreatment since first substantiation were assigned as maltreatment non-recurrence group. Latent class analysis(LCA) and latent transition analysis(LTA) were used to group children with similar maltreatment subtypes into discrete classes of child maltreatment recurrence. Logistic regression is employed to examine the association between the child maltreatment predominant types and risk factors for recurrence. Results of LCA and LTA showed four latent classes representing predominant type of child maltreatment: 'physical abuse predominant type', 'emotional abuse predominant type', 'sexual abuse predominant type', and 'neglect type'. Significant differences in the effect of risk factors among latent classes were found in child's age and gender, perpetrator's gender, family poverty, biological parent as the perpetrator, domestic violence toward partner, perpetrator's alcoholic problem, insufficient parenting skills, and out-of-home care service, Based on these findings, results suggested how the typology can be used to guide decision about who to target in prevention and intervention programs, and which features of risk factors to target. Practice and policy implications as well as further research tasks were discussed in the lights of searching for useful and important strategies to prevent recurrence of child maltreatment.

• Korean Journal of Psychosomatic Medicine
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• v.27 no.1
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• pp.13-24
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• 2019

Objectives : The goals of the study are how to establish the cohort systems for the children and adolescents victims with sexual abuse in Korea and to identify the risk and protective factors that influence mental health in child sexual abuse (CSA). This is initial assessment data based on the analysis of cohort variables for baseline evaluation of subjects. Methods : We constructed the cohort systems for CSA victims recruited by Seoul Sunflower Children Center, CSA victims protection center. The initial assessment data which consisted of demographic and psychological inventories of CSA victims and their parents/families, psychiatric diagnoses were the results of statistical analysis of 65 subjects under 19 years old for 3 years 7 months. Results : The initial data were followings : female participants, N=56; mean age, 11.6 (SD=4.5); the most sexual assault, molestation 71.8%; victims, family and acquaintance 87.1%; 61.5% of the subjects diagnosed with psychiatric disorder; 29.2% diagnosed with PTSD and 23.1% diagnosed with depression. Mean duration for abuse to report is 1.5 years. Mean score of IES-R-K, TSCYC-avoidant and CBCL-problematic behavior were increased above clinical cut-off. Conclusions : CSA victims tend to have high risks in mental health problem. The cohort study could provide the risk and protective factors of CSA in mental health, and construct the predictive model for mental illness in Korea.

• Proceedings of the Korea Inteligent Information System Society Conference
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• 2005.11a
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• pp.211-217
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• 2005

This study was about design and development of the Mobile Learning Evaluation Announced Systems, which could operate the e-learning and send the result of that to the parents. From this, teachers and parent can communicate with each other dynamically. Especially, this system does not simply present results of student' learning but provide the extra learning which can make up for student' wrong questions in the base of the evaluation standard. this paper suggests this total learning solution so that parents can perceive the state of their children's learning under the mobile learning environment.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2010.10a
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• pp.677-680
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• 2010

스마트폰의 빠른 보급으로 위치기반 서비스 (Location Based Service)가 새롭게 주목 받고 있다. 위치기반 서비스는 이동통신망이나 위성항법장치 (GPS) 등을 통해 얻은 위치정보를 바탕으로 이용자에게 여러 가지 서비스를 제공하는 서비스를 말한다. 현재 위치기반 서비스는 소셜 네트워크 서비스, 증강현실, 게임 등 다양한 분야에서 활용되고 있다. 그러나 단순 정보뿐만 아니라 복합 상황정보를 이용한 안전 및 사고예방을 위한 애플리케이션은 부족한 실정이다. 본 논문에서는 휴대성과 이동성의 장점을 가진 스마트 모바일 환경에서 위치기반 서비스를 통해 상황정보를 제공하는 지능형 감시 시스템을 개발하고자 한다. 본 시스템은 감시대상자가 소지한 스마트폰의 GPS를 이용하여 위치 데이터를 획득하고, 기울기 및 압력 센서 등을 이용하여 감시대상자의 상태정보를 획득 한다. 또한 이러한 위치 데이터와 센싱 데이터를 지도 OpenAPI, 날씨 OpenAPI, 안전/위험지역 설정 등의 기능과 결합하여 지능적 복합 상황정보로 표현한다. 이러한 기능들을 안드로이드 기반 애플리케이션으로 개발함으로써 감시자 또한 모바일 환경에서 감시할 수 있도록 한다. 이를 통해 감시자는 이동하면서 원거리에 있는 감시대상자의 실시간 이동경로와 복합 상황정보를 확인하고 알림 받을 수 있다. 이와 같은 기능을 통해 아동 범죄, 노약자 보호 등의 문제를 해결할 수 있다.

• Proceedings of the Korea Contents Association Conference
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• 2017.05a
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• pp.187-188
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• 2017

아동에 대한 관심이 높아지면서 미아방지를 위한 다양한 제도와 제품들이 개발되고 있다. 하지만 여전히 미아 발생률은 줄어들지 않고 있다. 선행 연구의 리서치 결과 국내 유원지에서 미아 발생 시 미아를 찾는데 너무 많은 시간이 소요 되고, 마땅한 미아 방지 프로그램이 없어 방송이나 미아 보호센터에만 의존하는 등 비효율적인 시스템의 정황을 파악할 수 있었다. 본 연구에서는 이러한 현 실태를 개선하고 미아 사건의 빠른 해결을 위해 대전 동물원을 대상으로 미아방지에 효과적인 방재디자인 기반의 웹서비스를 연구하고자 한다.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.18 no.6
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• pp.1343-1349
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• 2014

Recently feature phones are being replaced by smartphones. Because smartphones have various sensors, there are many applications and research works that utilize them. Very few feature phones have GPS modules but all smartphones are equipped with a GPS sensor. One of the hot issues for smartphone research and development is point interest research. In this paper, we will develop an application which protects children using GPS and WiFi.. If a child gets out of the interest-area which is established by parents or guardian, our system sends them messages.

• Proceedings of the Korean Society of Computer Information Conference
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• 2019.01a
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• pp.231-232
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• 2019

최근 고령화 사회로 들어섬에 따라 치매 노인 환자가 해가 갈수록 급증하고 나아가 치매환자 뿐만 아니라 보호가 필요한 미취학 아동, 장애인 등 실종사고가 빈번하게 발생하고 있다. 자신이 길을 잃었다는 것을 인지하지 못하고 잇따라 2차 사고가 발생하는 경우가 많다. 이렇게 사고가 빈번하게 발생하게 되면 보호자의 입장에서는 같이 외출을 하거나 피보호자를 혼자 두고 외출을 하는 것이 많은 부담이 될 수밖에 없다고 판단하였다. 이러한 문제점을 해결하기 위해 현재 위치추적을 기반으로 한 다양한 제품들이 있지만 통신사간의 복잡한 가입절차, 실종 시 2차사고 예방을 위한 대안이 없는 것 등 그 제품들을 사용자가 사용하는데 있어서 많은 제약이 있었다. 따라서 본 논문에서는 아두이노를 활용하여 이러한 문제점을 개선하여 피보호자의 위치를 스마트폰의 어플리케이션으로 실시간 확인할 수 있도록 하고 보호자가 설정한 일정 반경의 기준점을 벗어나게 되었을 때 경보음 알림과 동시에 긴급기관 신고전화 기능을 추가하여 빠른 초동조치로 연이은 2차 사고를 예방할 수 있게 함으로써 보호자가 외출 시 심리적으로 안심할 수 있는 GPS위치 추적시스템에 대해 기술하였다.

• Journal of Digital Convergence
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• v.13 no.4
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• pp.211-217
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• 2015

Recently, school violence problem has increased serious. And this is not only an individual issue but also this is a social problem. Realistically, not only physical violence, cyber violence using the smartphone is very serious. And if the elementary school students are exposed to cyber violence, it becomes even more serious problem. Therefore, we proposed an Smart Monitoring app that protect the smart safety such as as a countermeasure against cyber violence to elementary school students. This Conversion Smart app can support grasp service for children using location based service on the smartphone when he will come to the home. And it can support another service that abuse or vulgar language in messenger. Grasps the degree of use of the language that is prohibited friendship in elementary school through this process, it can be derived. And we have future works that is the search rate and response time an inappropriate word on the proposed system.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.17 no.10
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• pp.2345-2351
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• 2013

LBS(Location Based System) usually uses GPS technology to measure the exact position of the moving object. However, the method of managing location which utilizes the WiFi technology of mobile phone has not been introduced so far. The method of managing moving objects in view of the location of guardian has also not been proposed. In this paper, a new location management system of moving objects which take guardian's location into consideration is proposed. Specifically, the three methods of searching for missing child proposed in this paper are as follows : 1) a method based on an app for smart phone, 2) a method based on control server, 3) a method based on control server and fixed APs. Because the proposed system reflects the location of the guardian, the guardian is able to identify the state of child immediately and the workload can be reduced.

• Journal of The Korean Association of Information Education
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• v.14 no.2
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• pp.241-251
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• 2010

In knowledge-based society, various forms of visible and invisible works are produced and published. As production and distribution of those works are increased, importance and value of copyright are gradually emerged. In the light of importance, students must learn and understand the concept and the right use of copyright as early as possible. Scales that students experience in the introduction stage of the class take the role of Advance Organizer. Through these scales, students can combine concept of copyright into their existing recognition structure and are interested in study contents. According to test results, it is concluded that the proposed system is very useful to enhance copyright consciousness for students.