• 한국방재학회:학술대회논문집
• /
• 한국방재학회 2009년도 정기 학술발표대회
• /
• pp.26-35
• /
• 2009

Efficient recovery assistance for individual households is one of the inevitable issues in management after a disaster. Discussion on how the assistance should be provided to them, however, has been put aside whereas amount or contents of it have been disputed every time a disaster happens. Public support system in a time of disaster in Japan is very complicated because many laws are related to recovery support and each law covers just a part of total recovery needs of affected household. It is difficult to see whole picture of the system for affected households. Therefore, households must have many interactions with various sections in charge of particular assistance service to know the contents of each assistance and requirements to receive it to decide combination of supports they use. It is crucial for efficient recovery assistance operation to manage those customer relations since considerable part of troubles in individual recovery came from failure in each interactions caused by lack of common understanding on each recovery process between them. In this paper, I want to introduce how support system in Japan is fragmented, a case of Anamizu town which adopted a customer-oriented framework of information management system for their assistance operation after Mar. 2007 Noto peninsula earthquake and what was learned from the case.

• 한국재난관리표준학회지
• /
• 제2권3호
• /
• pp.25-30
• /
• 2009

기후변화 동에 따른 세계 재해의 발생빈도 및 규모가 증가함에 따라 UN 등 국제사회에서는 피해지역에 대한 재해 복구 지원과 원조를 확대해 나가고 있다. 또한 저개발국가의 재해경감을 위한 다양한 지원프로그램을 추진하고 있어, 우리나라에서도 KOICA 프로그램의 활성화 및 체계적인 국제지원체계구축의 필요성이 대두되고 있다. 본 연구는 국제적 재해에 대한 UN 국제기구, 선진국가의 체계를 분석하여 우리나라가 효과적으로 지원할 수 있는 체계를 제안함으로써 국제사회의 재해경감 노력에 참여하고 국제 사회에서의 국가위상을 제고하고자 하였다.

• 한국산업융합학회 논문집
• /
• 제23권6_2호
• /
• pp.1043-1050
• /
• 2020

In this study, a study was presented on the monitoring technique of landslide area using UAV. In the case of disaster investigation using drone mapping, it can be used at various disaster sites. The mission can be carried out at various disaster sites, including surveys of damage to mountainous areas caused by landslides, building collapses surveys of flood damage, typhoons, earthquakes. The damage investigation plan using drone mapping is expected to be highly utilized at disaster sites where investigators cannot access it like in mountainous areas and where it is difficult to conduct direct damage investigations at the site. Drone mapping technology has many advantages in terms of disaster follow-up, such as recovery. Compared to the existing survey system, which was mainly carried out manually, the investigation time can be drastically reduced, and it can also respond to disaster sites that are difficult to carry out or are difficult to access directly. In addition, it is possible to establish and guide spatial data at the disaster site based on accurate mapping data from the time of the disaster, which has considerable strength in managing the situation of the disaster site, selecting priority areas for recovery, and establishing recovery plans. As such, drone mapping is a technology that can be used in a wide range of sites along with natural disasters and social disasters. If a damage investigation system is established through this, it is believed that it will contribute significantly to the rapid establishment of recovery plans along with the investigation of disaster response time and extent of damage recovery.

• 정보보호학회논문지
• /
• 제24권4호
• /
• pp.655-667
• /
• 2014

은행권에서는 재해란 전산 서비스가 장애를 감내할 수 있는 시간이 초과하는 경우를 말하며, 재해 대비책으로 비즈니스 연속성 계획과 재해복구 계획을 기반으로 한 재해복구 시스템을 구축하고 있다. 하지만 기존의 시스템은 사이버 테러에 의한 장애 시 업무 연속성의 유지를 완벽하게 보장해주지 못한다. 본 논문은 이러한 금융권의 재해복구시스템의 구축 형태 및 재해복구 시스템 구현 기술의 현황에 대하여 분석한다. 또한, WORM 스토리지를 이용한 아카이브 로그의 백업 방식과 Online Redo Log를 이용한 데이터 백업 방식을 설명하고 이 두 가지 방식을 결합하여 향상된 데이터 복구 모형을 제시한다. 마지막으로 테스트 환경을 구축하고 실증하여 제안하는 복구 모델의 유효성과 안정성을 확인한다.

• 한국재난정보학회 논문집
• /
• 제16권1호
• /
• pp.155-162
• /
• 2020

연구목적: 비축창고 현장실태조사를 통해 재난관리자원 관리 및 운영의 문제점을 파악하여 지자체 재난관리자원 관리 개선안 도출을 목적으로 하였다. 연구방법: 최근 20년간 재해연보 및 재난연감에 기록된 자연 및 사회재난의 피해사례를 선정된 재난유형에 따라 지자체별 발생횟수를 재난에 대한 과거위험성, 현재취약성 및 대응능력을 고려하여 재난 유형건수가 높은 지역을 우선적으로 도출하였다. 도출한 지역에 대해 해당 지자체의 재난관리자원 공동활용시스템(DRSS, Disaster Resource Sharing Service) 데이터를 분석하여 비축창고를 선정 후 현장조사를 실시하였다. 연구결과: 현재 지자체의 재난관리자원 비축창고 실무담당자들의 과중한 업무로 시청 및 구청 내 현행화가 다소 미흡한 것으로 분석되었으며, 실무담당자가 현행화 자료 입력 시 입력방법 및 기준이 현재로서는 명확하지 않아 실제 비축량과 DRSS 데이터가 차이를 보이거나 누락되는 경우가 다소 발생하였다. 결론: 재난관리자원 비축창고의 관리 개선을 위해 DRSS 시스템에 대한 교육 및 재난관리자원 운영에 대한 모범적 사례 교육이 절실하며 방재전문인력을 활용한 비축물자의 쳬계적인 관리가 필요할 것으로 판단된다.

• KSII Transactions on Internet and Information Systems (TIIS)
• /
• 제9권12호
• /
• pp.5116-5134
• /
• 2015

In this paper, due to the network security defense is mainly static defense, a dynamic classification network security defense strategy model is proposed by analyzing the security situation of complex computer network. According to the network security impact parameters, eight security elements and classification standard are obtained. At the same time, the dynamic classification algorithm based on fuzzy theory is also presented. The experimental analysis results show that the proposed model and algorithm are feasible and effective. The model is a good way to solve a safety problem that the static defense cannot cope with tactics and lack of dynamic change.

• KSII Transactions on Internet and Information Systems (TIIS)
• /
• 제13권10호
• /
• pp.5058-5077
• /
• 2019

Traditional regenerating codes are designed to tolerate node failures with optimal bandwidth overhead. However, there are many types of partial failures inside the node, such as latent sector failures. Recently, proposed regenerating codes can also repair intra-node failures with node-level redundancy but incur significant bandwidth and I/O overhead. In this paper, we construct a new scheme of regenerating codes, called IR-RBT codes, which employs intra-node redundancy to tolerate intra-node failures and serve as the help data for other nodes during the repair operation. We propose 2 algorithms for assigning the intra-node redundancy and RBT-Helpers according to the failure probability of each node, which can flexibly adjust the helping relationship between nodes to address changes in the actual situation. We demonstrate that the IR-RBT codes improve the bandwidth and I/O efficiency during intra-node failure repair over traditional regenerating codes but sacrifice the storage efficiency.

• 전자통신동향분석
• /
• 제37권5호
• /
• pp.33-43
• /
• 2022

We evaluated the problems of the current disaster psychological recovery support system of the Ministry of Interior and Safety for periodic infectious disease disasters, including COVID-19 (coronavirus disease 2019). The current disaster psychological recovery support systems are challenging to preemptively respond to infectious disease disasters over a wide range and for a long period. These result from the workforce shortage according to the face-to-face consultation method and the limited real-time application of consultation contents. Additionally, due to the workforce shortage, it is difficult to track those who have experienced disasters in the long term. Furthermore, most disaster psychology evaluation tools are for adults, and there are few evaluation tools for children and adolescents. This paper presents an advanced disaster psychological recovery support platform technology that can actively assist people in psychological recovery from disasters while mitigating these issues.

• 한국IT서비스학회지
• /
• 제11권3호
• /
• pp.1-16
• /
• 2012

This paper is aimed to present a fuzzy decision-making approach to deal with disaster recovery priority decision problem in information system. We derive an evaluation approach based on TOPSIS(Technique for Order Performance by Similarity to Ideal Solution), to help disaster recovery priority decision of total information system for port logistics in a fuzzy environment where the vagueness and subjectivity are handled with linguistic terms parameterized by trapezoidal fuzzy numbers. This study applies the fuzzy multi-criteria decision-making method to determine the importance weight of evaluation criteria and to synthesize the ratings of candidate disaster recovery system. Aggregated the evaluators' attitude toward preference, then TOPSIS is employed to obtain a crisp overall performance value for each alternative to make a final decision. This approach is demonstrated with a real case study involving 4 evaluation criteria(system dependence, RTO, loss, alternative business support), 7 information systems for port logistics assessed by 5 evaluators from Maritime Affairs and Port Office.

• Journal of Communications and Networks
• /
• 제16권3호
• /
• pp.258-263
• /
• 2014

A hierarchical identity-based broadcast encryption (H-IBBE) scheme is an identity-based broadcast encryption (IBBE) scheme in a hierarchical environment. In order to obtain secure H-IBBE schemes in the quantum era, we propose an H-IBBE scheme based on the learning with errors problemassumption.Our scheme achieves indistinguishability from random under adaptive chosen-plaintext and chosen-identity attacks in the random oracle model.