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이지정(Ji Jung Lee),이대원(Dae Won Lee) 한국정보기술학회 2021 Proceedings of KIIT Conference Vol.2021 No.11
현재 정부 및 지자체 주도하에 흡연구역을 지정하여 관리하고 있지만 흡연구역에 대한 정보 제공이 미흡한 상황이다. 본 논문에서는 흡연자들에게 보다 쉽게 흡연구역의 위치 정보와 흡연구역 길안내 서비스를 제공하는 앱을 개발한다. 본 논문에서 개발한 앱은 타 앱과의 불필요한 연동을 피하기 위해 오픈 소스기반으로 개발되었으며 A* 알고리즘을 기반하여 길 찾기 기능을 구현하였다. Currently, smoking areas are designated and managed under the leadership of the government and local governments, but the provision of information on smoking areas is insufficient. In this paper, we develop an app that provides smokers with location information of smoking areas and smoking area directions services more easily. The app developed in this paper was developed based on an open source to avoid unnecessary interworking with other apps and implemented a roadfinding function based on the A* algorithm.
한반도 서해안 금강하구 연안퇴적물과 육상지질과의 지화학적 상관관계
지정만,장윤호,오재경,이연희 대한자원환경지질학회 2000 자원환경지질 Vol.33 No.6
This study was carried out geochemically and mineralogically to define how Kunsan shore sediments are related to their terrestrial source rocks in the region of Keum River Basin, western Korea. As a whole the chemical composition for major elements, trace elements and rare earth elements analysis from shore sediments and river bed sediments doesn't show the big difference, and especially rare earth elements chondrite normalized patterns are almost same. Heavy minerals of shore sediments are identified as hornblende, epidote, ilmenite, garnet, hematite, magnetite, sphene and rutile. Compared with Taean Area of Seo et al. (1998) and Byeonsan Area of Kwon et al. (1999), Kunsan shore sediments of this study area were origined mostly from Keum River Basin.