• 제목/요약/키워드: System use

검색결과 30,063건 처리시간 0.064초

모바일 오피스 환경에서 이동성(Mobility)이 PDA 활용에 미치는 영향 (Effects of Mobility of PDAs on their Use in Mobile Office Environments)

  • 강윤정;서영주;이원준
    • 경영과학
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    • 제23권1호
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    • pp.21-41
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    • 2006
  • Given the growing deployment of mobile offices, we need to understand the fectors which affect their successful use and implementation. We in this paper present a parsimonious model which integrates the IS success model and the TAM. The main feature of the model is that it allows one to explore the role of mobility of mobile office systems in determining the level of system usage and dependence. Although the mobility is the key property of any mobile system, there is little research effort exerted to understand how mobility affects the traditional IS factors such as perceived ease of use and usefulness. In addition to the system usage, this model also uses dependence as the dependent variable. This is expected to provide richer understanding of the study context. We collected survey data from 1,614 field service workers of a major domestic electronic company. They use PDAs to retrieve information regarding the specifics of the customer service requests and to report what has been done for each service job. The results from SEM analysis show that mobility improves the perceived ease of use which then leads the field service workers to depend more on the PDA systems. Interestingly enough, however, the workers' satisfaction does not cause more frequent use of the system.

Identification of Volterra Kernels of Nonlinear System Having Backlash Type Nonlinearity

  • Rong, Li;Kashiwagi, H.;Harada, H.
    • 제어로봇시스템학회:학술대회논문집
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    • 제어로봇시스템학회 1999년도 제14차 학술회의논문집
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    • pp.141-144
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    • 1999
  • The authors have recently developed a new method for identification of Volterra kernels of nonlinear systems by use of pseudorandom M-sequence and correlation technique. And it is shown that nonlinear systems which can be expressed by Volterra series expansion are well identified by use of this method. However, there exist many nonlinear systems which can not be expressed by Volterra series mathematically. A nonlinear system having backlash type nonliear element is one of those systems, since backlash type nonlinear element has multi-valued function between its input and output. Since Volterra kernel expression of nonlinear system is one of the most useful representations of non-linear dynamical systems, it is of interest how the method of Volterra kernel identification can be ar plied to such backlash type nonlinear system. The authors have investigated the effect of application of Volterra kernel identification to those non-linear systems which, accurately speaking, is difficult to express by use of Volterra kernel expression. A pseudorandom M-sequence is applied to a nonlinear backlash-type system, and the crosscorrelation function is measured and Volterra kernels are obtained. The comparison of actual output and the estimated output by use of measured Volterra kernels show that we can still use Volterra kernel representation for those backlash-type nonlinear systems.

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도시지역 주거관련 건축물의 사용실태에 관한 연구 (A Study on the actual condition of Housing Buildings in the Urban area)

  • 김성화;이재훈;김영빈
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2005년도 추계학술대회 논문집
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    • pp.57-61
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    • 2005
  • The objectives of this study are to illustrate an alternative housing type responding to the social requirements and customers' needs, to suggest the improvement plan for the related laws and regulations through survey of the actual condition for housing buildings such multi have been raised in classification due to that the existing law systems including the current use classification of residential buildings have been defined unclearly. Especially, various social problems have yielded in line with emergence of the housing type which is not legally classified as residential however used for the living purpose practically. Current zoning planning and related law system have rigidity. So, It is required to introduce a flexible classification system which protects the residential environment based on the housing purpose, function and habitability and provides correspondence between residence and ownership/management method. The legal classification system should be revised in a way that the housing use classification corresponds with the zoning system through breakdown of the use classification system

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이용자 행태 기반 복합건축 보행자 통합동선계획 (The Pedestrian Integrated Circulation System in Mixed-use Building based on User Behavior)

  • 이진경;김찬주
    • 대한건축학회논문집:계획계
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    • 제35권12호
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    • pp.21-29
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    • 2019
  • The purpose of the study is to be the pedestrian integrated circulation system of malling route and the third route in Mixed-use Building based on User Behavior. The study has performed by the following approaches: Initially, literature reviews are performed related to a pedestrian route by user in mixed-use building. Second, general and stroller users moving route are analyzed based on the outcome of the case study. Finally, the study develops the efficient pedestrian integrated circulation system of malling route and the third route in Mixed-use Building. According to the study, the following conclusions were made: First, An integrated plan for escalators and EVs, which are accessible to both users and strollers, is needed. Second, The entrance automatic door and circulation elements should be connected for continuous move by the stroller users. Finally, The circulation system of complex buildings should be a simple spatial structure and route plan that users can easily recognize.

ATCIS 성능개량체계 만족 및 지속사용 의도에 미치는 영향요인 (A Study on the Factors Affecting the User Satisfaction and Continuous Use Intention of the Improved Army Tactical Command Information System)

  • 이태복;백승령
    • 한국정보시스템학회지:정보시스템연구
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    • 제31권1호
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    • pp.1-24
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    • 2022
  • Purpose The purpose of this study is to investigate the factors that affect the user satisfaction and continuous use intention of the improved ATCIS in the Korean Army. Design/methodology/approach Based on the various theories in relation to IT continuance, user satisfaction was identified as the main factor with regard to the continuous use intention of the improved ATCIS. In addition, computer self-efficacy, education-training, and system quality were hypothesized as antecedent variables to user satisfaction, and information security stress was set as a moderating variable for these relationships. Findings Survey results show that computer self-efficacy, education and training, and system quality had a positive effect on user satisfaction, and information security stress was found to moderate these relationships. The effects of computer self-efficacy and education-training on user satisfaction were higher in the group with low information security stress. However, the relationship between system quality and user satisfaction was higher in the group with high information security stress. User satisfaction is found to have a positive effect on the continuous use intention even with habit considered as a control variable.

우간다에서의 고급 정보통신기술 수용도 연구 : GIS/GPS 고릴라 추적 시스템 사례 (A Study on User Adoption of Advanced ICTs in Uganda : Focused on GIS/GPS Gorilla Tracking System)

  • ;황기현
    • 산업경영시스템학회지
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    • 제39권3호
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    • pp.192-203
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    • 2016
  • Uganda is a country blessed with the biggest number of mountain Gorillas in the whole world. These animals contribute at least 12% in revenue generation to the Tourism sector through tracking by both local and foreign tourists who pay for the tracking permits. However, Gorilla tracking is also a big challenge even in the presence of highly skilled and well-trained game rangers. Development and implementation of a secure Computer and Mobile based Gorilla Tracking (GT) system that uses GIS and GPS technologies would be the most ideal technology to use. Therefore, this study aimed to find out the critical factors that would affect the Behavioral Intention of the would-be users to successfully decide to use such GIS/GPS-GT system. We used the existing UTAUT model to integrate six factors such as Performance Expectancy, Effort Expectancy, Employee Peer Influence, Facilitating Conditions, Behavioral Intention and System Use. However, Infrastructure Availability and Non-Technical Facilitating Conditions were added to reflect Ugandan ICT context. This amended UTAUT model was used to carry out the survey. The questionnaire was emailed to 220 government employees in the fields of ICT, Tour and Travel, Environmental Groups officials and Farmers who garden near the game reserves. A total of 133 were obtained fully completed, whereas 127 were deemed usable thus yielding a response rate of 58%. The analysis results show that except for non-technical facilitating conditions, effort expectancy, peer influence, performance expectancy and infrastructure availability positively affects behavioral Intention to use GIS/GPS-GT. This indicates that people in Uganda don't bother about regulations and rules in regard to using information system. As long as the system does what they want it to, anything else does not matter. As an employee in an organization is told to use a system by their supervisor, they have no objection to otherwise they risk losing their job. This implies that, supervisors have a great responsibility in the process of developing, implementing and using the system in Uganda.

철도차량의 CBTC 열차제어기술의 기술동향 연구 (The Study of CBTC control skill research of railway Vehicle)

  • 김유호;이훈구;이수환;김종기;백종현
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2005년도 학술대회 논문집 정보 및 제어부문
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    • pp.481-483
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    • 2005
  • There is change of signal control system for train control worldwide current. This is train control system that use radio communication and step practical use Tuesday. Research for diversified application, examination and enforcement is achieved in internal railroad industry by this. Therefore, do examination of universal train radio control way for internal application. Studied train control way that use suitable radio communication to internal railroad.

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도시형 자기부상열차 실용화사업 타당성조사 추진방안 (Making Practical Use of Urban MAGLEV System : How to Perform the Feasibility Study)

  • 김연구;김훈
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2006년도 춘계학술대회 특별세미나. 특별세션
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    • pp.34-45
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    • 2006
  • Making practical use of urban MAGLEV system which is tried by government includes technique development and railway construction. Because huge amount of money will be spent on this project, feasibility study is being carried out in order to check the feasibility and to devise the master plan in prior to making practical use of urban MAGLEV system. The key issues of feasibility study are possibility of technique development, economical feasibility, location of a model railway and the improvement of related laws and regulations. This paper shows the approach to solve these key issues.

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무선 환경에서 PDA를 이용한 생체신호전송으로 진단 보조 시스템 개발을 위한 기초 연구 (A study on development medicine diagnosis system by Biosignal transmission In Wireless environment to use PDA)

  • 김동욱;이경진
    • 한국산학기술학회:학술대회논문집
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    • 한국산학기술학회 2003년도 춘계학술발표논문집
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    • pp.219-221
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    • 2003
  • This system is Emergency patient medical examination and treatment way through biosignal transmission to use PDA. Store measured biosignal that is stored to file to database by Application, This system helps doctor's treatment that transmit patient's biosignal data and patient's symptoms use wireless internet. ThenOffer more than safer medical treatment environment to a doctor and patient

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The Development of a National-scale Land use /Land cover Change Detection System in Taiwan

  • Chen, Chi-Farn;Wang, Ann-Chiang;Chang, Li-Yu;chang, Ching-Yueh;Lee, Pei-Shan;cheng, Chao-Yao
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2003년도 Proceedings of ACRS 2003 ISRS
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    • pp.567-569
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    • 2003
  • Because of the limited land resources, an efficient land use management to reach the sustainable development policy has become an urgent call in Taiwan. A long-term project entitled 'National land use monitoring program-the establishment of a land use change detection system' has been jointly conducted by both National Central University and Ministry of Interior since year of 2001. The main aim of the project is to use the remote sensing images to detect the land use changes on a national scale. This plan has been put into practice and indeed provides an effective assistance for land management.

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