• The Journal of the Korea Contents Association
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• v.14 no.11
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• pp.438-449
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• 2014

This paper is aimed to study on residential choice after retirement. For this reason, this study is analyzed in three aspects ; the factors of residential choice, preferred house types and scales, the characterization of residential mobility. This study reached several conclusions. Firstly, Korea baby boomers are likely to select their residence with different factors after retirement, and they are likely to choose their residence in the view of comfort and convenience. Secondly, apartment resident ratio is shown to be reduced after retirement, and the preference for the country houses and town houses is shown to be increased. Thirdly, the baby boomers don't reduce their residential scale in batches, while they are to show a different appearance depending on the retention scale of housing. Fourthly, The 62.4% of Korean baby boomers is to plan move their residences after retirement, 52.3% of movers, more than half of them, is to go to the different residential area. Fifth, it is analyzed that different variables are to influence on the local and regional of residential mobility of the baby boomers in Korea.

• Korean Journal of Social Welfare
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• v.67 no.4
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• pp.5-29
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• 2015

Intergenerational relations in Korea show very unique characteristics. In political arena, young and old generations clash each other intensely, while they maintain a high level of intergenerational solidarity in policy realm. A logistic regression analysis reveals that generational cleavage plays a key role in affecting voting decision and evaluation of governmental performance. It also suggests that in policy realm, normative, functional, and affectional types of solidarity influence people's attitudes on social policies very strongly. If the current government continues to neglect its promises for expanding welfare, the dual structure of generational cleavage in political arena and intergenerational solidarity in social policy realm can soon be turned into a conflictual structure. Therefore, an active initiative to increase intergenerational justice should be taken in order to attain a long-term, sustainable intergenerational solidarity and coexistence.

• Journal of Practical Engineering Education
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• v.7 no.1
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• pp.47-55
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• 2015

This study has the objective of proposing the basic data for the political and administrative support needs so that the Echo generation can be prepared with the supper-aged society, by verifying the perception level and degree of necessity about the outplacement support service, whether they want to be serviced or not, and necessary contents in the service with the employed people and non-employed people as objects among the Echo generation in the Southeast region. The study result derived from these effort is illustrated as follows. The perception level of the Echo generation about outplacement support service showed to be significantly different according to the gender, age, industry type, and career. The degree of needs was significantly different depending on the age. For the provision period of the outplacement support service, the opinions were that 3 months before the retirement was most appropriate. The intention of participation when the outplacement support service is provided showed to be significantly different depending on the age.

• Korean Journal of Child Studies
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• v.20 no.1
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• pp.147-164
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• 1999

The purpose of this study was to investigate (1) intergenerational transmission from mother's internal working model of relationships formed in her childhood and infant's attachment patterns and (2) the associations among maternal working models, maternal sensitivity, and infant attachment patterns. The subjects were twenty 12- to 20-month-old infants and their mothers. The Adult Attachment Interview (1996) was used to assess mother's internal work model of relationships. Interviews were audio-recorded and transcribed verbatim. Each dyad was videotaped in the modified Ainsworth Strange Situation(1978) and filmed for 3 minutes in the Questionaire Situation of Smith and Pederson (1988). Mothers were classified as autonomous(F), dismissing(Ds), preoccupied(E), or unresolved/disorganized(Ud). Infants were classified as secure(B), insecure-avoidant(A), or insecure-resistant(C). Exact A/B/C/D and Ds/F/E/Ud agreement was observed in 55% of the dyads. Maternal sensitivity was related to infant attachment patterns but not to maternal working models.

• Journal of the Korean Home Economics Association
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• v.42 no.7
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• pp.119-129
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• 2004

The main purpose of this study was to examine the effects of maternal materialism and parenting on materialism in adolescents. Moreover, the relative significance of maternal materialism and parenting materialism in adolescents was also explored. The study subjects were 199 (98 male, 101 female) high school students in Seoul and their mothers. The following are the major findings. 1) Maternal materialism was not related with male adolescents' materialism but was with female adolescents'. 2) Maternal support, and open communication were negatively related with female adolescents' materialism while maternal control, and permissiveness were positively related. On the other hand, only maternal control was positively related with male adolescents' materialism. 3) Stepwise regression analysis revealed that maternal support, followed by maternal materialism, was the most important variable affecting female adolescents'. However, for male adolescents, maternal control was the only one variable affecting their materialism.

• Journal of Korean Society of Environmental Engineers
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• v.38 no.7
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• pp.395-401
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• 2016

Nano-saftey has become an emerging issue recently, because of the broad use of nanomaterials in nano-industries and commercial areas. For a sustainable development in the nano-industry, active studies on nano-safety should be executed, especially on the potential risks in engineered nanomaterials (ENMs). Although acute and chronic assessments of nanomaterials have been extensively studied in many studies, multigenerational studies are very scarce. Overall, multigenerational studies have progressed as two different trends, studying post-generational effects or trans-generation effects. This study intended to suggest further nano-safety studies based on the trends and limitations of current ones. Through a comparative analysis, we investigated peer-reviewed multigenerational studies that used nanomaterials. Thirteen studies on post-generation effects confirmed generational nano-toxicity via several bioassays, such as mortality, fertility, and behavioral assays. Seven studies on trans-generation effects demonstrated nanomaterial pathways to next generations, using imaging techniques. Until now, mechanisms for post-generational nano-toxicity has been rarely proposed. Thus, we propose that complementary studies on such mechanisms are imperative for future studies.

• Proceedings of the Korea Multimedia Society Conference
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• 2000.04a
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• pp.378-381
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• 2000

인터넷이 전세계적으로 급속히 확대되면서 기존의 인터넷 망 계층 프로토콜인 IPv4에서 지원하는 인터넷 주소공간은 얼마 가지 않아 고갈될 것으로 예상된다. 따라서 차세대 인터넷 망 계층 프로토콜인 IPv6 로의 전이는 필연적으로 이루어질 것이다. 그러나 현재의 인터넷환경에서 IPv6 로의 동시 전환은 현실적인 불가능하며 향후 IPv6 환경의 확산에 대처하기 위해서는 IPV4에서 IPv6 로의 효과적이고 점진적인 전이 방안에 대한 연구가 필요하다. 본 논문에서는 이러한 전이 방안 중에서 IPv4 및 IPv6 단일구조를 지닌 호스트들로 구성된 네트워크간의 원활한 통신을 지원하기위한 IPv4/IPv6 변환 프로토콜을 구현하고 테스트하였다. 이를 위하여 IP 패킷 구조를 분석하고 이를 토대로 IP 변환 프로토콜의 기능 구조 및 변환동작절차를 설계 및 구현하였고, 국부시험 방법을 사용하여 설계한 변환 프로토콜이 정상적으로 동작함을 확인하였다.

• Proceedings of the Korea Information Processing Society Conference
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• 2000.04a
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• pp.328-333
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• 2000

인터넷이 전세계적으로 급속히 확대되면서 인터넷 사용자의 수는 기하급수적으로 증가하고 있으며 이로 인하여 기존의 인터넷 망 계층 프로토콜인 IPv4에서 지원하는 인터넷 주소공간은 얼마 가지 않아 고갈될 것으로 예상된다. 따라서 차세대 인터넷 망 계층 프로토콜인 IPv6로의 전이는 필연적으로 이루어질 것이다. 그러나 현재의 인터넷 환경에서 IPv6로의 동시 전환은 현실적으로 불가능하며 향후 IPv6 환경의 확산에 대처하기 위해서는 IPv4에서 IPv6로의 효과적이고 점진적인 전이 방안에 대한 연구가 필요하다. 본 논문에서는 이러한 전이 방안 중에서 IPv4 및 IPv6 단일 구조를 지닌 호스트들로 구성된 네트워크간의 원활한 통신을 지원하기 위한 IPv4/IPv6 프로토콜 변환모듈을 설계 및 구현 하였으며, 이를 위하여 IP 패킷 구조를 분석하고 이를 토대로 IP 프로토콜 변환모듈의 기능 구조를 정의하였다.

• Journal of the Korean Home Economics Association
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• v.48 no.5
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• pp.73-85
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• 2010

The purpose of this qualitative research is to explore the intergenerational ambivalence of mothers with preschoolers. Twenty full-time mothers and 19 working mothers were interviewed in depth. Most of the participants who received instrumental support from their mothers showed ambivalence, and especially the working mothers were more likely to feel ambivalence than the full-time mothers. However, participants who received little or no support from their mothers did not report any ambivalent feelings. Their ambivalent feelings came from both their social structure and intrapersonal contradictions. In order to avoid ambivalent feelings, some participants redefined receiving support from their mothers as a positive thing. Meanwhile, the participants who received active support tried to divert their ambivalence by providing child care support for their children, and they showed a 'repayment provision' tendency. Some working mothers and most of the full-time mothers said they would allot 'limited provision' by excluding child care support for their children. Those who were aware of this ambivalence issue sought 'reasonable provision' for their children. Depending on these results, several suggestions are presented to solve the ambivalence.

• Journal of Korea Multimedia Society
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• v.10 no.7
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• pp.902-911
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• 2007

GSM platform is a hugely successful wireless technology and an unprecedented story of global achievement. In less than ten years since the first GSM network was commercially launched, it became the world's leading and fastest growing mobile standard, using over 1 billion GSM subscribers across more than 200 countries of the world. GSM platform evolved into 3th generation mobile communication which includes not only voice call services but also the international roaming and various kinds of the multimedia services. GSM is an essential element techniques a safe data transmission and a personal private protection while support services. However, a crypto algorithm and a secure protocol for a safe data communication using GSM are indicating various kinds of problems. In this paper, we propose a more safer and more efficient authentication protocol in 3th generation network through analysis of GSM security mechanism of 2th/2.5th generation. This security protocol offers enforced security efficiency by using user verification between SIM/ME and reduction of authentication and key agreement step between SIM/ME/AuC.