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방성민(Sungmin Bang),홍성수(Sungsu Hong) 한국정보과학회 2015 정보과학회 컴퓨팅의 실제 논문지 Vol.21 No.12
DGPS는 기존 GPS의 위치측위 정밀도를 지상 기준국의 보정정보를 이용하여 향상시킬 수 있는 기술이다. 현재 전국을 대상으로 DGPS 보정정보 송출이 가능하도록 인프라가 구축되어 있으나, 고가의 DGPS 전용장비가 필요하다는 제약으로 제한된 분야에서만 활용되고 있다. 스마트폰을 이용한 DGPS단말의 개발은 이러한 한계를 극복하고 다양한 위치기반 서비스에 DGPS를 적용할 수 있도록 함으로써, 위치기반 서비스의 새로운 서비스 모델의 구현이 가능하게 할 수 있다. 본 논문에서는 스마트폰 환경에서 DMB 방송망, 이동통신망을 통해서 수신된 DGPS 보정정보를 활용하여 고정밀 위치측위가 가능한 DGPS 단말 개발에 대해서 소개하고자 한다. DGPS is a technology that can improve the positioning precision of the existing GPS based on the correction information regarding reference station. Although the country is currently building infrastructure for DGPS correction information to be transmitted, it is being used only in limited areas for which DGPS expensive equipment is required. By enabling the development of the DGPS device using the smart phone, this limitation can be overcome, DGPS can be applied for various location-based services, and the implementation of the new model of location-based services may be enabled. In this paper, we introduce the development of a DGPS device for which high-precision positioning is possible using DGPS correction information received via the DMB network or mobile network in the smart phone environment.
전국에서 도축된 가축의 잔류검사에서 검출된 잔류물질 비교조사
박찬일 ( Chanil Park ),김지향 ( Ji Hyang Kim ),방성민 ( Seong Min Bang ),박양순 ( Yang Soon Park ),고대성 ( Dae Sung Go ) 한국동물위생학회(구 한국가축위생학회) 2020 韓國家畜衛生學會誌 Vol.43 No.1
It was carried out to investigate the antibiotic residues detected by the residue tests for edible tissues of slaughtered livestock in Korea from January to November in 2019. Positive cases of qualitative test and analytical test for 11 months were 689 and 341, respectively. Positive cases of analytical test for cattle, pigs, horses and poultry were 164, 168, 2 and 7, respectively. Antibiotics were detected from 472 materials from 341 cases and classified as β-lactams 162 (37.9%), aminoglycosides 141 (33%), quinolones 69 (16.2%), sulfonamides 23 (5.4%), amphenicols 10 (2.3%), tetracyclines 9 (2.1%), macrolides 6 (1.4%) and the rest 7 (1.4%). Other materials were benzyl penicillin 119 (27.9%), (dihydro)streptomycin 105 (24.6%) and enrofloxacin (including ciprofloxacin) 39 (9.1%). In conclusion, strict management of benzyl penicillin and streptomycin in cattle and pigs should be implemented to reduce the positive cases of slaughtered livestock in Korea.
호텔기업에서 효과적인 직무성과에 영향을 미치는 선행요인 연구 -리더십과 신뢰를 중심으로-
구동우(Koo, Dong-Woo),박종현(Park, Jong-Hyun),방성민(Bang, Sung-Min) 한국외식산업경영학회 2019 외식산업경영연구 Vol.15 No.1
This study presented the chef’s authentic leadership with the purpose of the team’s sucessful job performance. For this purpose, the authors examinedthe structual relationships among chef’s authentic leadership, organizational trust, and job performance.The results of hypothesis testing are as follows.First, relational transparency and moral perspective had positive effects on organizational trust. Second, self-awareness, relational transparency and moral perspective did not have directly signicant positive effects on job performance. Third, organizationl turst had a significant positive effect on job performance.
이동에이전트를 이용한 네트워크 패킷기반 침입탐지 시스템
방성민,송왕철 濟州大學校 情報通信硏究所 2000 情報通信硏究所論文集 Vol.3 No.-
The networked environment has the possibility of the illegal access to the private informations and the attacks via networks. Therefore. security management technologies to protect networks from intrusions and network attacks have been given much attention. Intrusion detection system is an important component of the security management system for large network. It is hard to adapt to the heterogeneous internet environment because of the conventional intrusion detection system depends on the specific system environments. The new intrusion detection architecture with mobile agent technology is proposed in the paper. The mobile agent is an itinerary software program that autonomously runs on behalf of its operator in a network environment. It helps the adaptability in the intrusion detection system and decrease the network traffic. For the purpose. we analyze the attack patterns and design the new intrusion detection architecture.