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위치 기반 서비스를 위한 Rend 3DR-tree를 이용한 색인 기법
남지은,임기욱,이정배,․이종욱,신현철 한국융합보안학회 2008 융합보안 논문지 Vol.8 No.4
최근 이동 객체의 위치 데이터를 이용하기 위한 무선 측위 기술과 모바일 컴퓨팅 기술이 급 속도로 발전하였다. 이동 객체의 수가 많고 위치 획득 간격이 짧을수록 위치 데이터가 급격히 늘어나기 때문에 대용량의 위치 데이터 처리가 가능해야 하며, 위치 기반 서비스를 위한 다양한 시공간 인덱싱을 지원해야 하고, 또한 이동 객체의 불확실성 문제를 해결할 수 있어야 한다. 따라서, 본 논문에서는 이동 객체의 위치 데이터를 효과적으로 갱신하면서 현재 데이터와 과 거 데이터의 인덱싱을 지원하는 색인 구조로 3DR-tree 기법을 활용하여 색인시 노드간의 겹침 을 보완하고 사장 공간을 줄이는 Rend 3DR-tree 기법을 제안한다. Recently, the wireless positioning techniques and mobile computing techniques have rapidly developed to use location data of moving objects. The more the number of moving objects is numerous and the more periodical sampling of locations is frequent, the more location data of moving objects become very large. Hence the system should be able to efficiently manage mass location data, support various spatio-temporal queries for LBS, and solve the uncertainty problem of moving objects. Therefore, in this paper, innovating the location data of moving object effectively, we propose Rend 3DR-tree method to decrease the dead space and complement the overlapping of nodes by utilizing 3DR-tree with the indexing structure to support indexing of current data and history data.
남지은,남지혜,김동일 한국상담심리학회 2020 한국심리학회지 상담 및 심리치료 Vol.32 No.2
This study was designed to develop a conceptualization of organizational multicultural competence for working with international students in university counseling centers in Korea from the perspectives of 20 current practitioners using concept mapping procedures. Specifically, this study elicited organizational behavioral indicators that are beneficial in providing counseling services to international students. Behavioral indicators were organized into core areas of competence, rated in terms of importance and degree of execution, then analyzed quantitatively through multidimensional scaling analysis. The categories of center competence for international student counseling were: (1) engaging in active partnership/advocacy for sustainability, (2) providing counselor support, (3) creating international student-friendly setting, (4) reaching out to international students, and (5) diversifying counseling services. This study represents the first formal research to systematically examine the multicultural competence of university counseling centers working with international students, and offers practical guidance on how to provide competent services to this growing population.