• Journal of the Korean housing association
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• v.16 no.6
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• pp.111-120
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• 2005

To design common facilities that support residents' leisure activities is one of the comtemporary issues in Korea. People became interested in the leisure facilities in near-home environments. This trend encouraged this research study. The objectives of this study are: to analyze the current status and characteristics of leisure facilities in apartment communities, to examine the correlations among leisure facilities, and to suggest design considerations for Korean multi-family housing communities. Subject communities are located in the five metropolitan areas in the United States. The 460 apartment communities were randomly selected after a thorough review of a website for apartment finders. Among them, the 126 communities were selected for the analysis. Primary findings are as follows: (1) A total of 30 facilities were identified as the creational facilities in apartment properties. (2) Some leisure facilities were correlated with the other facilities, based on the Pearson's correlation analysis.(3) In addition to the facilities, some apartment communities provide leisure programs for their residents. These results suggest that architectural interventions and maintenance services as well should be considered in order to lead diverse leisure activities for residents.

• Review of KIISC
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• v.4 no.1
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• pp.88-95
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• 1994

본 논문에서는 벡터 부울함수의 비선형성의 척도인 선형 함수군까지의 거리에 대해 알아본다. 특히 S-Box의 내부 함수로 이용될 수 있는 출력의 균등 분포성을 만족하는 벡터 부울함수의 선형함수군까지의 거리의 하계를 유도한다. 더불어 EDS에서의 S-Box내부함수의 비선형도를 산출하고 보다 비선형도가 높은, 즉 선형 함수군까지으 거리가 더 먼 새로운 S-Box의 존재를 밝힌다.