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iPhone의 SNS 데이터 수집 및 디지털 포렌식 분석 기법
정진형,변근덕,이상진,Jung, Jin-Hyung,Byun, Keun-Duck,Lee, Sang-Jin 한국정보처리학회 2011 정보처리학회논문지 C : 정보통신,정보보안 Vol.18 No.4
최근 다양한 스마트폰이 개발 보급되면서 SNS(Social Network Service)를 사용하는 사용자 또한 급격히 증가하였다. SNS는 기존 모바일 기기에서 수집할 수 있었던 문자 및 통화내역과 같은 단순한 사용자 데이터 외에도 주고 받은 사진 및 동영상, 음성쪽지나 위치 공유, 대화 내역 등 다양한 정보가 저장되어 디지털 포렌식 관점에서 유용한 데이터 획득이 가능하다. 본 논문에서는 최근 많이 사용하고 있는 아이폰을 대상으로 스마트폰에서 이용할 수 있는 SNS 클라이언트와 각 클라이언트 별로 수집할 수 있는 데이터의 종류를 살펴본다. 또, 각 데이터간의 연관관계를 통해 수집된 데이터의 효율적인 분석 방법을 제시한다. As a diverse range of smartphones has been recently developed and diffused, the users of SNS (Social Network Service) also have been sharply increased. The SNS saves a variety of information such as exchanged pictures and videos, voice mails or location sharing, chat history, etc. as well as simple user data, so that the acquisition of data that are useful in the aspect of digital forensic is achievable. This thesis reviews the types of SNS that are available for the iPhone, a recent example of highly used smartphones, and types of data by each client. Also, efficient data analysis method for digital forensic investigations is suggested by analyzing the relationships within the collected data by each client.
강원도 내 가로수와 가로녹지대 초화류의 식재 특성에 관한 연구
정진형,이기의,Jeong Jin-Hyung,Lee Ki-Eui 한국조경학회 2005 韓國造景學會誌 Vol.33 No.5
This study surveyed planting areas along streets in Gangwon-do to find out how to improve the planting and use of street trees and herbaceous plants. There were 301,491 trees of 41 species on the streets of Gangwon-do in 2004. The predominant species of street trees were Ginkgo biloba ($40\%$), Prunus spp. (Prunus yedoensis and Prunus sargentii) ($25\%$), Platanus occidentalis ($5\%$), followed by Betula platyphylla var. japonica, Zelkova serrata, Prunus armeniaca var. ansu, Acer palmatum, and Pinus thunbergii. Eighty-four herbaceous plant species were found in the Youngseo district (the southern area of Gangwon-do); the ratio of native species to exotic was 51:33. The predominant species were Cosmos bipinnatus, Petunia hybrida, Tagetes spp., Aster koraiensis, and Fagopyrum esculentum. Eighty-nine herbaceous plant species were found in the Youngdong district (the eastern area of Gangwon-do); the ratio of native species to exotic was 55:33. The predominant herbaceous plants were Aster koraiensis, Tagetes spp., Petunia hybrida, Rudbeckia bicolor, Cosmos bipinnatus, Salvia splendens, Brassica oleraceae var. acephala, Aquilegia buergeriana var. oxysepala, Coreopsis drummondii, Viola tricolor, and Dianthus superbus var. longicalycinus. Appropriate pruning adds to the aesthetic value of trees and prolongs their useful life; it also maintains good health and thereby reduces the need to control insects and diseases. Street trees had not been properly pruned due to the presence of power lines and a shortage of pruning information. The pruning was controlled by Korea Electric Power Company, which has no pruning information. Pruning must be maintained by a professional landscape company in order to maintain good shape, such as that which is done for bonsai. In order to improve the planting, use and maintenance of landscape plants in Gangwon-do, the following recommendations are made: street tree species should be diversified, suitable street trees should be selected for each space, native species should generally be used, trees should be appropriately pruned and properly fertilized, pests and diseases should be controlled, plantings should be done in multiple layers, spatial arrangements should be improved, larger trees should be planted, and drainage and underground electric wires should be considered when planting.