• Title/Summary/Keyword: corruption

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Global Recovery Management Protocol for Heterogeneous System in Security Environments (보안환경에서 이질형 시스템의 전역 복구 관리 프로토콜)

  • Jeong, Hyun Cheol
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.5 no.4
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    • pp.51-59
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    • 2009
  • Many failures are due to incorrectly programmed transactions and data entry errors. System failure causes the loss or corruption of the contents of volatile storage. Although global processing protects data values to detect direct or indirect information effluence, security environments are very important in the recovery management of heterogeneous systems. Although transaction can't control system fault, the restart for the system can cause information effluence by low bandwith. From various faults, it is not easy to maintain the consistency and security of data. This paper proposes recovery management protocols to assure global multilevel secure one-copy quasi-serializability in security environments of heterogeneous systems with replicated data and proves its correctness. The proposed secure protocols guarantee the reliability and security of system when the system fault is happened.

Lost Block Recovery Using Energy Ratio (에너지 비를 이용한 손실 블록)

  • Hyun, Seung-Hwa;Eom, Il-Kyu;Kim, Yoo-Shin
    • Proceedings of the IEEK Conference
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    • 2006.06a
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    • pp.329-330
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    • 2006
  • This paper presents a recovery technique for images with block-based corruption by transmission losses. Conventional methods that do not consider edge directions can cause blocked blurring artifacts. In this paper, we present a block recovery scheme using Haar wavelet features. The adaptive selection of neighboring blocks is performed based on the energy ratio f wavelet subbands. The lost blocks are recovered by linear interpolation in the spatial domain using selected block pairs. The proposed directional recovery method is effective for the strong edge because it exploits the varying neighboring blocks adaptively according to the edges and the directional information in the image. The proposed method outperforms the previous methods that used only a predefined set of neighboring blocks.

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A Study of Institutional Theory and Korean FDI (진출국 제도와 해외직접투자 선택에 관한 연구)

  • Lee, Eungo-Sok
    • Asia-Pacific Journal of Business
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    • v.9 no.1
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    • pp.107-121
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    • 2018
  • The purpose of this paper is to explore the determining factors of foreign direct investment(FDI) of Korea by using institutioanl theory. In addition, this study divides institutional facts into the formal and the informal institutions. The empirical test implements multiful regression analysis focuing on korean electronics and automotive industry. The dependent variables are FDI outflow and the independent ones are corruption, econimic freedom, political risk, human development, and culturan distance. According to the empirical results, corruptin and human development have positive effects on Korean FDI outflow. On the other hand, political risks and economic freedom have negative effects on Korean FDI outflow. This results indicate the importance of forman and informal institutional facotrs as determinants of Korean FDI outflow.

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Studies on the changes of methanol content in manufacturing process of apple wine and it's brandy (Apple wine 및 apple brandy 제조공정에 있어서의 methanol 함량의 추이에 관한 연구)

  • 이성범
    • Korean Journal of Microbiology
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    • v.5 no.2
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    • pp.55-60
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    • 1967
  • Studies on the changes of methanol content in the manufacturing process of apple wine and apple brandy. The results from the studies of transition and changes of methanol content in the fermentation of wine and brandy from Korean apple, Kugkwang and Iwai are as follows. 1) Pectin, the source of methanol, can be extracted as dregs more than 85% of its in the process of pressing to get juice. 2) In the process of fermenting wine, the occurence of methanol depends on the condition of the apple itself (i.e. species, freshness, change in quality, or corruption). It seems that the insoluble pectin in the fresh apples changes into the soluble pectin as time goes by. 3) The heating treatment of fresh apples produced more methanol compared with nonheating treatment. 4) The content of methanol in apple brandy can influence free methanol content in mash pulp.

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Effective Control of Message Queues on Real-Time Operating Systems (실시간 운영체제에서 효율적인 메시지 큐 제어)

  • 류현수;이재규;성영락;이철훈
    • Proceedings of the Korean Information Science Society Conference
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    • 2003.10a
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    • pp.295-297
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    • 2003
  • 실시간 운영체제는 여러 개의 독립적인 태스크가 동시에 실행될 수 있는 멀티태스킹 환경을 제공한다. 이러한 독립적인 태스크들 사이에 정보를 주고받기 위해서는 태스크들 사이의 통신이 필요하며 이러한 ITC(Inter-Task Communication)를 지원하는 방법에는 Global Variable과 Message 전송 두 가지 방법이 있다. Global Variable 은 Data Corruption 의 위험이 있기 때문에 보통의 실시간 운영체제에서는 Message 전송 방식을 주로 사용하는데 이러한 방식에는 메시지 큐, 메시지 메일박스, 메시지 포트 등이 있다. 본 논문에서는 태스크들 간에 또는 태스크와 ISR(Interrupt Service Routine)이 여러 개의 메시지를 서로 전달할 수 있는 메시지 큐에 대해서 설명하고 있다. 또한 태스크 또는 ISR 이 메시지 큐로부터 메시지를 주고받을 때 메모리의 동적 할당을 보다 효과적으로 처리함으로써 효율적인 메시지 큐 제어기법에 대해서 제시하고 있다.

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Study on Reduction of corruption of the Fire officials in Korea (한국 소방공무원의 부패 저감 방안에 관한 연구)

  • Chae, Yeol-Sik
    • Proceedings of the Korea Institute of Fire Science and Engineering Conference
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    • 2010.10a
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    • pp.81-89
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    • 2010
  • 오늘날 부정부패 문제는 한국에만 국한된 것이 아니라 전 세계적인 관심으로 떠올랐다. 세계 각 국가들은 부정부패척결이 자국의 국가경쟁력을 확보하고 국가발전을 가져온다는 공통된 인식을 하고 있기 때문이다. 이에 우리나라가 21세기에 선진제국과 대등한 위치에서 그 역할을 수행하려면 부정부패 척결이 매우 긴요한 과제라고 볼 수 있겠다. 따라서 부정부패의 추방에는 여야의 구분도 계층의 차이도 있을 수 없다. 지속적인 부패척결과 노력과 더불어 부패현황과 반부패정책에 대한 장기적이고 체계적인 시스템이 확립되어야 한다. 그리고 완전한 소방부패 근절과 저감을 달성하기 위해서는 공무원뿐만 아니라 전체 국민의 의식변화까지 도모해야 진정한 성공이 가능한 것이다. 따라서 우리 모두가 변화하는 21세기 청렴라운드시기에 조응하기 위하여 최선의 노력을 해야 할 것이다.

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Structural damage detection based on Chaotic Artificial Bee Colony algorithm

  • Xu, H.J.;Ding, Z.H.;Lu, Z.R.;Liu, J.K.
    • Structural Engineering and Mechanics
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    • v.55 no.6
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    • pp.1223-1239
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    • 2015
  • A method for structural damage identification based on Chaotic Artificial Bee Colony (CABC) algorithm is presented. ABC is a heuristic algorithm with simple structure, ease of implementation, good robustness but with slow convergence rate. To overcome the shortcoming, the tournament selection mechanism is chosen instead of the roulette mechanism and chaotic search mechanism is also introduced. Residuals of natural frequencies and modal assurance criteria (MAC) are used to establish the objective function, ABC and CABC are utilized to solve the optimization problem. Two numerical examples are studied to investigate the efficiency and correctness of the proposed method. The simulation results show that the CABC algorithm can identify the local damage better compared with ABC and other evolutionary algorithms, even with noise corruption.

NATO's Factor in Ensuring the National Security of Modern Ukraine

  • Biloshytskyi, Volodymyr;Hanhal, Artur;Mokliak, Sergii;Pysmennyi, Oleksii;Smolianiuk, Volodymyr
    • International Journal of Computer Science & Network Security
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    • v.21 no.12spc
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    • pp.689-695
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    • 2021
  • The study is based on the elaborated normative and legal documentation regulating the national security of modern Ukraine and the normative and legal documents adopted by NATO in the responding policy to the challenges that arose after 2014. The main advantages of cooperation with NATO are ensuring military security, developing army standards, improving the country's investment climate, and reducing expenditures on the army. The disadvantages of cooperation with NATO in hostilities with Russia are not highlighted. Still, defined obstacles show that Ukraine is not ready to realize entry into NATO in the short term. Such factors include weak information support, corruption, and unclear diplomatic decisions.

Putin as Renaissance Ruler

  • SHLAPENTOKH, DMITRY
    • Acta Via Serica
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    • v.5 no.1
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    • pp.23-56
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    • 2020
  • The study of Putin's Russia should be placed in a broad historiographical context, prevailing in the West. While in the beginning of the post-Soviet era, most observers believed that Russia would reach a Fukuyamian "end of history," the situation is quite different now. At present, Western observers see Putin's Russia as the manifestation of authoritarianism. While this assumption is undoubtedly true, it does not provide much insight into the regime's operational model. Here, a comparison with Renaissance and early modern Europe might provide a clue to the operational model of the regime. Similar to early modern European rulers, Putin limits the use of direct and wide use of force, preferring manipulation, corruption, and the targeted killing of his most important enemies. In foreign policy, Putin has tried to avoid wholesale conflicts and broadly uses mercenaries, whose relationships with the Kremlin are downplayed. The similarities between Putin's regime and early modern European regimes do not mean that their destinies will be the same. In Europe, the Renaissance led to centralized states, whereas in Russia, the "Renaissance" could well lead to the country's disintegration.

Construction Contract Management Framework Using the Blockchain Technology (블록체인 기반의 스마트 건설계약 프레임워크)

  • Chui, Jinrui;Moon, Sungwoo
    • Journal of KIBIM
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    • v.11 no.1
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    • pp.1-10
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    • 2021
  • Blockchain is a secure technology that enables transactions between parties without risking data corruption. Besides cryptocurrencies, blockchain technology is being widely adopted in various forms by diverse industries. One promising application is construction contracts. Given that construction projects are executed under strict contractual requirements, blockchain technology-based contracts can ensure that contractual requirements are executed among parties to the contract. The objective of this study is to apply blockchain technology to smart construction contracts and determine their potential feasibility in construction management. In this study, a prototype smart construction contract is presented and its applicability is explored. We conclude that smart construction contracts can be effective as a contractual tool to enhance payment flows in the construction process.