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Tools for Web-Based Security Management Level Analysis (웹기반 보안 관리 수준 분석 도구)

  • Kim, Jeom-Goo;Choi, Kyong-Ho;Noh, Si-Choon;Lee, Do-Hyeon
    • Convergence Security Journal
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    • v.12 no.3
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    • pp.85-92
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    • 2012
  • Today, the typical web hacking attacks are cross-site scripting(XSS) attacks, injection vulnerabilities, malicious file execution and insecure direct object reference included. Web hacking security systems, access control solutions, access only to the web service and flow inside but do not control the packet. So you have been illegally modified to pass the packet even if the packet is considered as a unnormal packet. The defense system is to fail to appropriate controls. Therefore, in order to ensure a successful web services diagnostic system development is necessary. Web application diagnostic system is real and urgent need and alternative. The diagnostic system development process mu st be carried out step of established diagnostic systems, diagnostic scoping web system vulnerabilities, web application, analysis, security vulnerability assessment and selecting items. And diagnostic system as required by the web system environment using tools, programming languages, interfaces, parameters must be set.

An Unsafe Practice Analysis considering Potential Risk to Foreign Construction Laborers in Korea

  • Shin, Yoonseok
    • Journal of the Korea Institute of Building Construction
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    • v.15 no.4
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    • pp.441-449
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    • 2015
  • Recently, the number of accidents reported involving foreign laborers has risen, and the need to prevent accidents at construction sites has become more urgent. It has been found that 90 percent of construction accidents are caused by unsafe work practices, and various studies have been conducted on these practices with the aim of preventing accidents at construction sites. However, the tendency with previous studies was to average the results of survey responses, and as a result it is impossible to consider the potential risk of how many foreign laborers feel unsafe in relation with the unsafe practices. Therefore, in this study, importance-performance analysis (IPA) was improved in order to assess the potential risk of the unsafe practices of foreign laborers at construction sites in Korea. To verify the applicability of the improved IPA, a survey was carried out, and then the results were compared with those of the IPA. Through the use of the improved IPA, unsafe practices that were not found in the previous IPA but have potential risk were identified. The method proposed in this study is expected to contribute to the prevention of construction accidents of foreign workers by enabling a more efficient management.

Identification of Core Items for Repair Works of Apartment Housing by Evaluating Necessity of Repair Work and Buren of Repair Cost (수선필요도와 비용부담도 평가를 통한 공동주택 수선공사 핵심항목 도출방안)

  • Song, Sanghoon;Lee, Seok-Je;Park, Seong-Sik
    • KIEAE Journal
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    • v.16 no.4
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    • pp.79-86
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    • 2016
  • Purpose: Frequently, the apartment management offices have difficulties in effective repair works due to their insufficient technological capability to operate long-term repair program. There also have been many cases of failure in executing urgent repairs mainly because the repair allowance has not accumulated enough for the repair works on time. This study aimed to determine core items in apartment maintenance in order to reduce the confusion and unnecessary efforts for the management office by suggesting simple list of repair items. Method: Core items are defined using several indicators. The degrees of necessity for repair work(NRW) are calculated combining the impacts to living, safety, and aesthetics. Then the degrees of burden of repair cost(BRC) are estimated by analyzing actual long-term repair program of three apartment complexes. Lastly the degrees of accumulation demand for repair allowance(AD) are calculated with NRW and BRC. Result: The core items and essential items are suggested for three apartment types as case studies based on the indicators of NRW, BRC, and AD. Then, the required accumulated allowance per $m^2$ was calculated to effectively implement repair works.

An Enhanced Message Priority Mechanism in IEEE 802.11p Based Vehicular Networks

  • Liu, Chang;Chung, Sang-Hwa;Jeong, Han-You;Jung, Ik-Joo
    • Journal of Information Processing Systems
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    • v.11 no.3
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    • pp.465-482
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    • 2015
  • IEEE 802.11p is a standard MAC protocol for wireless access in vehicular environments (WAVEs). If a packet collision happens when a safety message is sent out, IEEE 802.11p chooses a random back-off counter value in a fixed-size contention window. However, depending on the random choice of back-off counter value, it is still possible that less important messages are sent out first while more important messages are delayed longer until sent out. In this paper, we present a new scheme for safety message scheduling, called the enhanced message priority mechanism (EMPM). It consists of the following two components: the benefit-value algorithm, which calculates the priority of the messages depending on the speed, deceleration, and message lifetime; and the back-off counter selection algorithm, which chooses the non-uniform back-off counter value in order to reduce the collision probability and to enhance the throughput of the highly beneficial messages. Numerical results show that the EMPM can significantly improve the throughput and delay of messages with high benefits when compared with existing MAC protocols. Consequently, the EMPM can provide better QoS support for the more important and urgent messages.

A Study on the Layout Type and Space Size in Elementary School Library (초등학교 도서실의 배치유형과 실내공간 규모에 대한 연구)

  • Heo Young-Hwan;Lee Sang-Ho
    • Korean Institute of Interior Design Journal
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    • v.14 no.4 s.51
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    • pp.79-86
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    • 2005
  • According to the new multi-media appeared as a result of rapid growth of the information and science technique, the school library must be changed to the integration of the teach-study media resource from the existing print media. It means that the school library has to play a role of the study center with a different media from the existing teaching material, teaching instrument, facility and opportunity. The Information education must be conducted in the way of an integrated education course and able to do both information transaction and problem settlement. The education facility to solve this problem is the school library. Therefore, the school library becomes important more and more. It means that the school library is the center of entire study and education material for the teacher and student is focused on it. It is urgent to make the standard of the school library In order to cope with the new education and information environments. And especially it is very important to make a plan about the location and scale of the school library to improve the quality of the children's studying activity. The location of the school library is decided under consideration of the relationship with other room of school house and the proper scale of it is between 2.5units and 7.0units of classroom based on the number of class.

Stable Control-rod Double Hold Method of Control Rod Drive Mechanism (원자로 제어봉구동장치의 안정적 제어봉 이중 유지 방법)

  • Cheon, Jong-Min;Kim, Choon-Kyung;Lee, Jong-Moo;Jung, Soon-Hyun;Kim, Seog-Ju;Kwon, Soon-Man
    • Proceedings of the KIEE Conference
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    • 2003.11c
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    • pp.555-558
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    • 2003
  • When a fault relating to the urgent alarm occurs, we must prevent control rods from dropping and make one of two grippers in Control Rod Drive Mechanism (CRDM) grip the drive rod laking a control rod assembly. If a gripper with any problem is ordered to grip the drive rod, the gripper which cannot latch the rod stably will fail to take the rod. On the purpose of escaping this bad case, we order two grippers to hold the drive rod and enhance the reliability of holding control rods. This action is called the double hold. In the middle of the movement of the drive rod, the latching of the drive rod can cause friction between a gripper and the drive rod. This state may give damage to both the gripper and the drive rod. In this paper, we have devised the method which can have two grippers hold the drive rod more stably, without damaging the equipment.

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Development of Green Economy via Commercialization of Green Technologies: Experience of Kazakhstan

  • Mukhtarova, Karlygash S.;Zhidebekkyzy, Aknur
    • The Journal of Asian Finance, Economics and Business
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    • v.2 no.4
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    • pp.21-29
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    • 2015
  • Green technologies are essential tools to ensure sustainable development of the economy. In this regard, the article deals with analysis of the development tendency of green economy in Kazakhstan emphasizing commercialization of green technologies. In the first part of the study, authors investigated more than 50 official sources of information, including laws, concepts, programs, events and reviews of major international organizations. The study's methodological basis included Kazakhstan's legislative and regulatory Acts, state programs and Concept for transition to Green economy, and data about innovations in the field of green technologies. Six experts were interviewed in order to determine factors which interfere to commercialization of green technologies. Urgent problems and trends of development, challenges and obstacles to gain green economy have also been identified in the result of expert interviewing. The research shows that despite Kazakhstan's intentions to update and develop much of its infrastructure over the coming 20 years, inefficient use of resources is currently observed in every sector. It is necessary to encourage scientists and entrepreneurs to invent and commercialize new green technologies. That would be basis for successful implementation of transition from "brown" to green economy.

PRESENT AND FUTURE DEVELOPMENTS OF PORTS IN ASIA AND THE PACIFIC

  • Ha, Dong-Woo
    • Journal of Korea Port Economic Association
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    • v.18 no.2
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    • pp.27-45
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    • 2002
  • The continuing pace of technological change and the trend toward larger and faster ships is evident as shipping lines compete in seeking economies of scale in the global market and ports. become increasingly reliant on sophisticated equipment. Across the Asia and Pacific region some of the worlds most modern container ships are calling at an extensive network of mainline and feeder ports. This paper shows that during the period from 1999 to 2011, Asian container trade is expected to continue to increase more rapidly than the world average, i.e., 7.2 per cent per annum compared with the world average of 6.3 per cent. It is forecast that the total volumes of international containers handled at the ports in Asia and the Pacific will increase at an average growth rate of 7,2 per cent per annum. In order to handle the anticipated port container traffic in 2011, new container berths are required in nearly every country in the Asia and the Pacific region. This will entail very significant capital investment requirements. If countries in the UNESCAP region are to position their ports to meet the challenges of the next decade, there is an urgent need to implement more robust strategies to address important issues including prioritisation of port development projects, promotion of private sector participation in ports, emphasis on productivity and preparation for intermodal integration and logistics growth.

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Direction of research on Railroad Signal Safety Facilities from the viewpoint of Train Control (열차제어 측면의 철도신호안전설비 개발방향 연구)

  • Kim, You-Ho;Lee, Hoon-Koo;Lee, Soo-Hwan;Pyeon, Seon-Ho;Lee, Young-Ho
    • Proceedings of the KSR Conference
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    • 2008.11b
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    • pp.1270-1278
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    • 2008
  • A great deal of development has been made in the field of railroad control in Korea. Like the recent High speed railroad (KTX) and the intercity light rail train (LRT) are being vigorously promoted. Therefore, in concert with the new railroad development projects, improved train control technics are being applied. Along with the focus on these newly developed advanced technologies the need for a reliable safety system for the safety of the passengers and railroad control personnel alike is being intensified. New safety facilities are continuously being developed in order to safely introduce and develop these new technologies. There is an urgent need for research and development of safety facilities for the implementation of the presently developed facilities as well as for the presently being used. Therefore, this research will study the safe operation of Korean railroad and the implementation situation of the class, functionality, ensured safety range etc. of the safety facilities for users and operators. In studying the material of the kinds of implemented safety facilities and technologies being used abroad we have researched into the most suitable direction of development of safety facilities for the Korean railroad environment.

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The Role of Fortunetelling in the Manners and Customs of Koreans and "Scripture of Fortunetelling(『占察經』)" (한국인의 점풍속(占風俗)과 『점찰경(占察經)』에 나타난 점(占)의 역할)

  • Lee, Hak-ju
    • Cross-Cultural Studies
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    • v.25
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    • pp.159-183
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    • 2011
  • This study is for the understanding of the role of fortunetelling and the "Scripture of Fortunetelling(占察經)" through the relationship between the manners and customs of Koreans and the Buddhist Scripture dealing with the fortunetelling. It is meaningful to understand how it is related with Buddhism. As a result, I perceived that Koreans have lived with fortunetelling and that the role of fortunetelling in from private person to the country. I saw there were four big roles; to clean the uncertainty of the future to fulfill the expectations, to confirm the justice of what he or she did, to cure, and to choice. Looking into "Memorabilia of the Three Kingdoms(三國遺事)", I see that the Scripture of Fortunetelling and the ceremony of fortunetelling was popular and those great monks such as Wongwang, Wonhyo, Jinpyo and Jihye presided these ceremonies. The structure of the "Scripture of Fortunetelling(占察經)" has the hierarchy of Fortunetelling, Penance, Practice, Awakening, and Salvation of the world. So fortunetelling motivated every stage of practice. The role of fortunetelling in "Scripture of Fortunetelling(占察經)" is to intermediate. For this purpose it divided the attitude for the fortunetelling into two categories; for the urgent real life and just for enjoying. But they seriously dealt with both results. They used the fortunetelling in order to accomplish the ultimate purpose of Buddhism. So the fortunetelling is a mean of propagation of Buddhism and a intermediary of awakening and salvation.