• The Journal of Asian Finance, Economics and Business
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• 제7권5호
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• pp.237-248
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• 2020

The purpose of this study is to investigate and reconfirm the research instruments and variables that have been developed by prior study and built new concepts from empirical research results. Besides analyzing the essential role of fundamental, rational, and psychology aspects to increase employee's intention to stay in a company, which is useful for the development of human resource development strategies for millennial workers in the future. A total of 438 non-student male respondents aged 23-36 years, with unmarried status and not working in the SOE sector or as a civil servant, were surveyed with questionnaires. The study was conducted in Makassar, Indonesia. Data collection uses a survey with the second-order model approach and regression with control variables. The findings of this study suggest the existence of an inter-relationship between fundamental, rational and psychological aspects. They are inseparable and have a positive and significant influence. Broadly speaking, the link between fundamental, psychology and rational aspects states that the decision for millennial male workers to stay in the company will depend on whether the company has a good image and reputation, the level of attention the organization pays to career development, is competent, and applies regulations and rules with flexibility.

• 한국가시화정보학회지
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• 제10권1호
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• pp.40-46
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• 2012

Recently micro shock tube is extensively being used in many diverse fields of engineering applications but the detailed flow physics involved in it is hardly known due to high Knudsen number and strong compressibility effects. Unlike the macro shock tube, the surface area to volume ratio for a micro shock tube is very large. This unique effect brings many complexities into the flow physics that makes the micro shock tube different compared with the macro shock tube. In micro shock tube, the inter- molecular forces of working gas can play an important role in specifying the flow characteristics of the unsteady shock wave flow which is essentially generated in all kinds of shock tubes. In the present study, a CFD method was used to predict and visualize the unsteady shock wave flows using the unsteady compressible Navier-Stokes equations, furnished with the no-slip and slip wall boundary conditions. Maxwell's slip equations were used to mathematically model the shock movement at high Knudsen number. The present CFD results show that the propagation speed of the shock wave is directly proportional to the initial pressure and diameter of micro shock tube.

• 정보관리연구
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• 제38권1호
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• pp.99-119
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• 2007

사서직의 업무는 도서관의 패러다임이 전환됨에 따라 그 성격이 함께 변한다고 할 수 있다. 즉 전통적인 정보자료 관리중심의 패러다임에서 소장과 접근의 조화를 강조하는 하이브리드형의 절충형 패러다임으로 변하고 있다. 전문도서관의 블루오션을 창출하기 위하여 내 외부적인 환경변화를 SWOT기법으로 분석하고, 합리적인 도서관 운영을 위하여 ERCR 분석을 하였다. 사서업무 영역의 다변화를 조사하기 위하여 대덕연구단지 전문도서관에 근무하는 사서를 대상으로 하였으며, 문헌조사도 병행하였다.

• 한국통신학회논문지
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• 제23권4호
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• pp.873-892
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• 1998

본 논문은 광대역 ISDN에서 사용될 수 있는 멸티미디어 통신단말의 구조를 제안하였다. 제안한 구조는 ITU-T, Digital Audio-Visual Council(DAVIC), A TM Forum 등의 국제, 사설 표준기구에서 권고하고 있는 멀티미디어단말 및 서비스를 분석한 결과이며, 기존 통신단말과의 연동을 보장하며, 현재 및 미래의 멀티미디어 응용서비스에 유연하게 대처할 수 있는 구조를 갖도록 하였다. 제안한 구조에 따라 설계된 서비스 통합형 멀티미디어 통선단말은 범용 PC에 탑재되는 멸티미디어 처리보드와 ATM 접속보드로 나누어 구현하였다. 구현된 서비스 통합형 멸티미디어 통신단말은 검색, 분배형 통신서비스와 대화형 통신서비스를 동시에 제공하는 것이 가능하며, 이에 따르는 서비스 별의 기능시험을 수행하였다.

• Asian Journal of Innovation and Policy
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• 제1권1호
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• pp.92-115
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• 2012

The problem Japanese universities face is exactly the same as that of German universities: no international recognition in world rankings of universities despite their high levels of postwar economic and technological developments. This was indeed one reason why world-class Japanese firms, such as Toyota and Sony, have avoided working closely with Japanese universities for R&D partnership and new technology commercialization. To resolve this problem, the Japanese government has continuously implemented aggressive policies of the internationalization, privatization, liberalization, and privatization of universities since the onset of the economic recession in 1989 in order to revitalize the Japanese economy through radical innovation projects between universities and firms. National projects of developing medical robots for Japan's ageing society are some of the ambitious examples that emphasize feed-forward learning in innovation. However, this paper argues that none of these programs of fostering university-firm alliances toward feed-forward learning has been successful in promoting the world ranking of Japanese universities, although they showed potentials of reinforcing their conventional strength of introducing $kaizen$ through feedback learning of tacit knowledge. It is therefore argued in this paper that Japanese universities and firms should focus on feedback learning as a way to motivate firm-university R&D alliances.

• 디지털산업정보학회논문지
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• 제11권4호
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• pp.81-87
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• 2015

Recently, with the development of the ICT environment, the use of the software is growing rapidly. And the number of the web server software used with a variety of users is also growing. However, There are also various damage cases increased due to a software security vulnerability as software usage is increasing. Especially web shell hacking which abuses software vulnerabilities accounts for a very high percentage. These web server environment damage can induce primary damage such like homepage modification for malware spreading and secondary damage such like privacy. Source code weaknesses checking system is needed during software development stage and operation stage in real-time to prevent software vulnerabilities. Also the system which can detect and determine web shell from checked code in real time is needed. Therefore, in this paper, we propose the system improving security for web server by detecting web shell attacks which are invisible to existing detection method such as Firewall, IDS/IPS, Web Firewall, Anti-Virus, etc. while satisfying existing secure coding guidelines from development stage to operation stage.

• 한국시뮬레이션학회논문지
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• 제6권2호
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• pp.1-14
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• 1997

The characteristics of the flow and energy conversion in OMACON liquid-metal MHD system are investigated. Numerical simulation of two-phase flow in the OMACON system without magnetic field was carried out by the Phoenics code and the energy conversion characteristics are studied in association with the fact that the mechanical energy loss at the nozzle of the OMACON system are to be converted into electrical energy. In this system, working fluid (gas) is injected through the mixer located at the bottom of the riser, and is mixed with hot liquid metal. Therefore in the riser two-phase flow is developed under the influence of the gravity. In this study, the interaction between the gas and liquid is considered by the use of IPSA(InterPhase Slip Algorithm) where standard drag coefficient has been used. It has been assumed that in the flow regime the liquid is continuous and the gas is dispersed. For the liquid and gas, the continuity equations, momentum equations and energy equations are solved respectively in association with void fraction in the flow field. In order to calculate the energy conversion efficiency, firstly the ratio of the mechanical energy loss of liquid metal flow at the nozzle to the input thermal energy is considered. Secondly flow pattern of liquid metal in the generator has been analyzed, and the characteristics of the conversion of the mechanical energy into the electrical energy has been investigated. For an representative case where Hartmann number is 540 and magnetic field is 0.35 T, the present analysis shows that the energy conversion efficiency is 0.653. This result is considered to be reasonable in comparison with published experimental results.

• 융합보안논문지
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• 제8권4호
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• pp.21-30
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• 2008

본 연구에서는 LDAP(Lightweight Directory Access Protocol)디렉터리 서비스를 기반으로 강화된 인증 및 보안체계와 사용자실명화 체계를 구축하여 인증된 사용자 및 전산자산만이 네트워크 자원 및 전산자원을 사용할 수 있도록 하고 보안프로그램의 강제 설치화로 보안프로그램 무력화에 대응하고 기존의 산업기술 유출방지 방법과의 연동을 통하여 사용자 기반의 보안정책적용과 더불어 산업기술 유출자를 정확하게 추적할 수 있는 방법에 대해 연구하였다. 본 연구을 통해 기존이 산업기술 유출방지 관리체계를 강화하고 산업기술 유출방지 방법의 취약점을 보완하여 통합된 보안 인프라체계를 구현함으로써 강화된 산업기술 유출방법을 구현할 수 있다.

• 한국군사과학기술학회지
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• 제25권5호
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• pp.513-521
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• 2022

This study deals with an AI architecture model for collecting battlefield data using the tactical C4I system. Based on this model, the artificial staff can be utilized in tactical echelon. In the current structure of the Army's tactical C4I system, Servers are operated by brigade level and above and divided into an active and a standby server. In this C4I system structure, the AI server must also be installed in each unit and must be switched when the C4I server is switched. The tactical C4I system operates a server(DB) for each unit, so data matching is partially delayed or some data is not matched in the inter-working process between servers. To solve these issues, this study presents an operation concept so that all of alternate server can be integrated based on virtualization technology, which is used as an source data for AI Meta DB. In doing so, this study can provide criteria for the AI architectural model of the ground tactical echelon.

• 유통과학연구
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• 제12권1호
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• pp.29-33
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• 2014

Purpose - The focal point of this research is to study the implications of retention, various reasons for attrition and also different ways to control attrition along with the employee retention strategies implementing by the Indian IT sector. Research design, data and methodology - After thorough literature review on employee attrition and retention, questionnaire has prepared to collect the opinions of 200 employees which were chosen from 20 IT companies (10 each from large and medium size companies) with simple random sampling technique and also gathered the opinion of these companies HR managers on strategies they are implementing to retain their talent pool through personal and telephonic interviews. Results -The research completely limited to the IT companies located in the city of Pune which is emerged as a new IT hub of India. The collected data was analyzed with Microsoft Excel and frequency distribution. Conclusions - The researchers identified job associated, compensation related and inter-personal relations for quitting their positions along with the outlook of Indian IT companies related to the identification and implementation of retention strategies like incessant hikes in compensation package, improved working conditions, continuous introduction of employee welfare facilities, and genuine promotional policy, recognition and rewards, career planning and development, and exemplary leadership.