• Title, Summary, Keyword: Information System

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The Development of Value Evaluation Model of Information System using Case-Based Reasoning (사례기반추론을 이용한 정보시스템 가치평가 모형개발에 관한 연구)

  • Park Ki-Nam
    • The Journal of Information Systems
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    • v.15 no.2
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    • pp.95-123
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    • 2006
  • It is needed to evaluate information systems actively which has already developed to improve future performance of the organization and foster the activation of information system. The introduction or development of information system also can bring about a organizational success. To measure exactly the organizational performance of information systems, it is needed to develop a new valuation model for a specific information system from a objective pint of view, as well as to equip a standard methodology using BSC measurement. The information system valuation from a objective point of view is of importance as the basic information for the decision to obtain information system. This paper takes aim at investigating a new information system valuation model and developing a information system valuation system using case-based reasoning for predicting currency value of information system in each organization. A new information system valuation system is developed as a web-enabling base. Using this, users are able to estimate the value of specific information system on a real time efficiently.

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A Design of University Information System Operation Audit Model based on ITIL V3

  • Kim, Hee-Wan;Kang, Bo-Ra;Kim, Dong-Soo;Moon, Song-Chul
    • Journal of Information Technology Applications and Management
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    • v.25 no.3
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    • pp.29-41
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    • 2018
  • The purpose of constructing university information system is for improvement in diversification and throughput of information, streamlines business processes, rapid exchange of information, sharing of information, decision-making information, and securing educational facilities. Similar to business information technology system, university information system does not have a review system for sharing and overlapping investment of information. Due to the lack of project management for outsourcing and vulnerability of system suitability, system audit is absolutely needed for the university information system. This paper especially focuses on an operational phase in the audit of university information system. Additionally, we proposed operating model and checklists of the university information system based on Management Guidelines of ITIL V3 Operational and Information System. We derived the checklists of operation audit by each domain of service strategy, service design, service transition, service operation, and continual service improvement. As the result, this study appear to have more than average satisfaction the suitability results were.

Characteristics of Information System that Affect Business Performance : Focusing on Accounting Information System (업무성과에 영향을 미치는 정보시스템의 특성에 관한 실증연구 : 회계정보시스템을 중심으로)

  • Oh, Eun-Hae
    • Journal of Information Technology Services
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    • v.12 no.1
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    • pp.33-50
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    • 2013
  • As having analyzed an advance research that had looked into how characteristics of information system affect use and success of the concerned system, the study determined that system quality, information quality and service quality are the fundamental requirements for a good accounting information system. In addition, based on perceived usefulness and perceived ease of use that have been selected as major variables related to information system acceptance proposed by Davis[10], the study conducted an empirical analysis on how such factors would influence performance of the accounting information system. According to the results from the analysis, the system quality one of the characteristics of the accounting information system was observed to have a significant influence on the perceived ease of use while both the information quality and the service quality would positively affect the perceived usefulness. Not only that, the perceived ease of use and the perceived usefulness were confirmed to be a significant factor to the performance, and with those results, all the theses of the study have been selected. As proved even with the information system success model, the system quality, the information quality and the service quality are definitely the most necessary elements for business management, and it also turned out that those elements would play an important role in several stages of the information system.

The Relationship of Information System Resources distribution Between the System Plan.Control and System Development and System Operation (시스템 계획 및 통제, 개발, 운영 차원에서의 정보시스템 자원 분산화에 관한 연구)

  • Jung Lee-Sang;Han Jung-Hee
    • Management & Information Systems Review
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    • v.2
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    • pp.133-167
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    • 1998
  • This article discusses the findings of an empirical study conducted on 62 large organizations. The major purpose of the study was to analyze the relationship of Information System Resources distribution between the system plan control and system development and system operation. In this study information system resource is broadly Identified by computer hardware, software, data, procedure, operator. Because of the real centralization/decentralization issue facing organizations is much broader then the choice between alternative computer hardware configurations. And there are three separate resources of the information system that can be decentralized system plan and control, system development, system operations. The decision regarding how to organize each of these three separate resources is based on a different set of criteria. Furthermore, each decision can be made relatively independently of the others. In this article the results of a study are indicated below. In the degree of decentralization of information system resources between system plan control and system development and system operations were found the positive relationship. Therefore, the more information system resources are decentralized in the one dimension, the more information system resources are decentralized in the other dimensions, and the more information system resources are centralized in the one dimension, the more information system resources are centralized in the other dimensions.

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The Impact of Information System Control and Audit on the Perceived Risk of the Computer Crime in Case of Financial Institutions (정보시스템통제 및 감사가 컴퓨터범죄의 인지된 위험에 미치는 영향: 금융기관을 중심으로)

  • Han, In-Gu;Yun, Jong-Ho
    • Asia pacific journal of information systems
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    • v.5 no.1
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    • pp.112-128
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    • 1995
  • The information system control includes organizational structure, control mechanism, and management tools which contribute to accomplish the goals of information system: asset safeguarding, data integrity, effectiveness, and efficiency. Information system audit is the process to evaluate whether the information system accomplishs the goals. Information system auditor examine the reliability of information system control and suggest recommendations to improve the information system control. Both information system control and information system audit activities contribute to prevent and detect the computer crime for the organization. This paper proposes a causal model of information system control/audit and the perceived risk of computer crime, and tests the model using a survey on 38 financial institutions in Korea. Statistical results show that information system control and audit significantly reduce the computer crime risk perceived by the user group. The general control has a stronger impact than the application control. In addition, it turns out that the greater the deviation between the importance and the actual level of information system control is, the higher the perceived risk of computer crime is.

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A Case on the Evaluation of the Information System Project to Enhance the Performance of DIMS(Defense Material Information System) (국방물자정보시스템 성능개선 사업평가에 대한 사례)

  • Cho, Sung-Rim;Lim, Gyoo-Gun;Lee, Dae-Chul
    • Journal of Information Technology Services
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    • v.11 no.1
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    • pp.109-123
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    • 2012
  • There are many evaluation models to measure the informatization level of an organization and information system project in the ministry of National Defense of Korea. A information system has to keep up with the environment change as well as the advanced recent information technology (IT). Therefore, the evaluation of an information system project to enhance the performance of the information system should be different from the existing evaluation methods. This study suggests an evaluation case of information system projects to enhance the performance of an information system. In order to achieve the objective of this study, the following steps are taken. First, it reviews the background and the scope of the project to enhance the performance of the Defense Material Information System (DMIS). And it sets up the evaluation logic and develops performance indexes. Then it applies these newly developed performance indexes to the information system project and measures the performance. From this study, we found that both the diffusion and the experience accumulation by its continuous use are significant factors in such evaluations.

Grid Management System and Information System for Semantic Grid Middleware

  • Kim, Hyung-Lae;Han, Byong-John;Jeong, In-Yong;Jeong, Chang-Sung
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.4 no.6
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    • pp.1080-1097
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    • 2010
  • Well organized and easy usable Grid management system is very important for executing various Grid applications and managing Grid computing environment. Moreover, information system which can support Grid management system by providing various Grid environment related information is also one of the most interesting issue in the Grid middleware system area. Effective cooperation between Grid management system and information system can make a novel Grid middleware system. Especially, service oriented architecture based Grid management system is flexible and extensible for providing various type of Grid services. Also, information system based on data mining process which comprises various different kinds of domains such as users, resources and applications can make Grid management system more precise and efficient. In this paper, we propose semantic Grid middleware system which is a combination of Grid management system and semantic information system.

A Preliminary Study on the Establishment of Long-Life Housing Infill Information System (장수명주택 인필 정보시스템 구축에 관한 기초 연구)

  • Jung, Yoon-Hye;Hwang, EunKyoung;Kim, Eun-Young
    • KIEAE Journal
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    • v.17 no.5
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    • pp.51-59
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    • 2017
  • Purpose: This study aims to set up the classification system for providing infill information and draw detailed infill information required by suppliers, thereby promoting the revitalization of long-life housing and utilizing such information as preliminary data for establishing web system, on which infill information required by users in the long-life housing design process are available. Method: For the method of study, the infill information classification system and detailed information were drawn through the analysis of existing building material information systems; and the survey targeting working-level personnel was carried out in order to verify the drawn information system. The results of this study can be summarized as follows. First, the hierarchical classification system (scheme) was selected by quoting the classification system by material type as infill type, after analyzing existing DB information systems and drawing the hierarchical classification system for infill. Second, the comparative analysis between infill was available to users for the detailed infill information of long-life housing, and the essential information and general information were selected for differentiating information. Results: First, the hierarchical classification system (scheme) was selected by quoting the classification system by material type as infill type, after analyzing existing DB information systems and drawing the hierarchical classification system for infill. Second, the comparative analysis between infill was available to users for the detailed infill information of long-life housing, and the essential information and general information were selected for differentiating information. Third, only approximately 30% of the survey respondents recognized the infill of long-life housing, but they did not recognize its difference from existing building materials. Fourth, through the analysis of paths to obtain infill information of long-life housing, it was confirmed that infill information was obtained mostly through books and research papers regarding long-life housing, followed by the existing information systems. The significance of the study lies in that it is differentiated from the previous information system as the information system specialized in the infill of long-life housing was established, and can be used as a measure to revitalize long-life housing market.

The study on user satisfaction at Military Hospital Information System (군병원정보시스템 사용자의 만족도에 관한 연구)

  • Chung, Woo-Jin;Lee, Soo-Kyung;Shin, Seung-Ho;Cho, Woo-Hyun;Ryu, Si-Won;Lee, Sun-Mi
    • Korea Journal of Hospital Management
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    • v.7 no.2
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    • pp.80-98
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    • 2002
  • The purpose of this study was to investigate user satisfaction at Defense Medical Information System as it has been utilized as a part of National Defense Information Strategies since Aug. 2000. The subjects of this study were nurse officers and army surgeons of a hospital with 1,000 beds. The results of this study are as follows; First, according to the characteristics of the subjects, there was statistically significant difference in system satisfaction, job satisfaction and information satisfaction at Military Hospital Information System. Second, according to the intention of participation, there was a statistically significant difference in user satisfaction at Military Hospital Information System. Third, according to a level of dexterity at Military Hospital Information System, there was statistically significant difference only in job satisfaction. Fourth, factors to influence system satisfaction were one's duty, using period of Military Hospital Information System, and a level of dexterity at Military Hospital Information System. Factors to influence job satisfaction were a level of dexterity at Military Hospital Information System, one's duty and intention of participation. Factors to influence information satisfaction were one's duty, a level of dexterity at Military Hospital Information System, and intention of participation. As the first study on user satisfaction at Military Hospital Information System, this study suggests the followings. First, a plan to inspire users with intention of participating in information system should be prepared. Second, it is necessary to provide policy activities for job standardization of Military Hospital Information System and legal system improvement.

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The Health Information for Health Promotion (건강증진을 위한 보건정보)

  • 김종갑;강성홍
    • Korean Journal of Health Education and Promotion
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    • v.10 no.1
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    • pp.21-33
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    • 1993
  • Human health is affected by physical, social, cultural, economic, and political environment. To improve health status, of the people we need much support from social system and to make social supporting system effective for health promotion, we need health information. Because, the health information is basic to the social supporting system for health promotion. So, we should construct health information systems as follows : 1. Health information system for children 2. Health information system for families 3. Health information system for adolescents 4. Health information system for mothers 5. Health information system for workers 6. Health information system for physical handicapped 7. Health information system for elders

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