• Title/Summary/Keyword: Information sharing system

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Strategies for Activating BIM-data Sharing in Construction - Based on cases of defining practical data and a survey of practitioners - (건설분야 BIM 데이터 공유 활성화 전략 - 건설 실무분야의 데이터 연계방법과 실무자 설문을 기반으로-)

  • Kim, Do-Young;Lee, Sung-Woo;Nam, Ju-Hyun;Kim, Bum-Soo;Kim, Sung-Jin
    • Journal of KIBIM
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    • v.12 no.1
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    • pp.72-80
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    • 2022
  • It has become mandatory to designs by BIM in construction. It is urgent to make accurate decisions through the linkage between complex and various types of data in projects. In particular, block-chain based data sharing process (using BIM files, general construction submitted files) is essential to support reliable decision making in complex data flood systems. Prior to developing data sharing system based on block-chain, in this paper, a data linkage method is proposed so that practitioners can simultaneously utilize existing construction information and BIM data. Examples are shown based on the construction classification system and file expression, and incentive strategies are explored through a survey so that heterogeneous information can be used at the same time in overall projects.

Analysis of Future Spectrum Sharing Ecosystem Based on Causal Map (인과지도에 기반한 미래 주파수공유 생태계 분석)

  • Song, Hee Seok;Kim, Taehan
    • Journal of Information Technology Applications and Management
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    • v.20 no.4
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    • pp.19-31
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    • 2013
  • There is tremendous increasing demand on spectrum resource which is boosted by spread of cloud computing and M2M telecommunication as well as smart phone and tablet PC. Recently, spectrum sharing technology has drawn attention to the spectrum policy makers as a promising way to overcome limitation of scarce spectrum resource. To succeed in commercialization of spectrum sharing technology, it is necessary to prospect the future business ecosystem of spectrum sharing and develop appropriate policies and laws at the same time along with the advance of spectrum sharing technology. The purpose of this paper is to prospect future spectrum sharing ecosystem and analyze business ecosystem of spectrum sharing with casual loop map. With the causal map and system dynamics method, it is possible to analyze feedback loops which is not limited to linear thinking and build policies which optimize positive dynamics in business ecosystem of spectrum sharing.

A Study on the Product Information Interoperability between Heterogeneous Systems using Rule-based Reasoning (규칙 기반 추론을 이용한 이기종 시스템간의 제품 정보 상호운용에 관한 연구)

  • Lee, Sang-Seok;Yang, Tae-Ho;Lee, Duk-Hee;Oh, Seog-Chan;Noh, Sang-Do
    • IE interfaces
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    • v.24 no.3
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    • pp.248-257
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    • 2011
  • The amount of Meta-data to be managed increases with development of information technology. However, when trying to integrate and share product information of heterogeneous systems within or between companies, sharing of information is impossible if product information classification systems are different. Due to the situation mentioned above, engineers judge the product information classification system and maps corresponding Meta-data for document-based sharing. Judging exponentially increasing amount of data by engineers and sharing product information using documents create great amount of time delay and errors in data handling. Therefore, construction of a system for integrated management and interoperability between product information based on semantic information similar to engineer's judgment is required. This paper proposes a methodology and necessity of a system for interoperability of product information based on semantic web, and also designs a system to integrate heterogeneous systems with different product information using rule based reasoning. This paper also suggests a system base for interoperability and integration of product information between heterogeneous systems by integrating the product information classification system semantically.

The Structure and Operations of Geodata Collaboratives in Metropolitan Area: U.S. Cases (미국 광역권 지리정보협력체 구성 및 운영방안)

  • Nam, Kwang-Woo
    • Journal of the Korean Association of Geographic Information Studies
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    • v.10 no.4
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    • pp.35-45
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    • 2007
  • Currently, the necessity of inter-system integration and sharing system increases to additionally construct and efficiently utilize the geographical information data in accordance with the increase in demand for geographical information. The provision of the data within the domestic sharing system is led by the tasks within national geographical information distribution network or intra-local governmental combined system. However, any voluntary geographical information sharing cooperation body is increasingly required with the increase in necessity of administrative cooperation among neighboring metropolitan areas, including space planning and development. Accordingly, this study is aimed at looking into the constitutions and roles of cooperation bodies within metropolitan areas by the composition, distribution, update and management of data with special regard to overseas advanced cases whose sharing systems and their effects are highly evaluated, and at presenting any model of the domestic future voluntary sharing cooperation organization within metropolitan area.

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The Mediating Roles of Trust and System Quality in Achieving System Success: A System Integrator Perspective

  • JUN, Jongkun;LEE, Won-Jun;JUNG, Jongki
    • The Journal of Asian Finance, Economics and Business
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    • v.6 no.2
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    • pp.203-212
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    • 2019
  • A system Integrator (SI) makes a consortium with multiple providers of hardware and software solutions to sell an information system. The success of information systems (IS) mainly depends on establishing a trustful relationship between SI supplier and client, and delivering high-quality system. However, the determinants of trust and system quality have been investigated mostly from the perspective of s ystem buyers rather than system sellers. This study examines the influence of key variables that SI can handle to improve trust and system quality which finally leads to user satisfaction toward SI. This study adopts resource complementarity, user participation and information sharing as the key variable then builds a research model to explain their relationships to user satisfaction. Respondents are recruited from 251 firms that have built any information system in recent two years in South Korea. Results of partial least square (PLS) modeling analysis show that both resource complementarity and information sharing have positive relationships with trust. Also the relationships between trust, system quality and user satisfaction toward S.I are supported. In addition, the mediating roles of trust and system quality are identified. We discussed some of the key managerial and theoretical implications of the paper and suggested further research directions.

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.

An Information Sharing System for Product Design Data Using WWW and STEP (웹과 STEP을 이용한 제품 설계 정보 공유 시스템)

  • 김철영;김남국;김영호;강석호
    • Korean Journal of Computational Design and Engineering
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    • v.1 no.3
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    • pp.203-214
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    • 1996
  • An information sharing system, namely World Design View, is developed for browsing product design data on the World Wide Web environment. For the last few years information sharing has been rapidly emerging as an important research issue in the areas of concurrent engineering, product data management, virtual manufacturing, and so on. Since we are mainly concerned with product development, the key information that needs be communicated and shared is product data. The developed system puts the major advantages of STEP, OODB, and VRML together. The STEP standard provides a consistent data exchange format and application interfaces among different CAD/CAM systems. OODB is efficient and effective in dealing with complex data structures often found in engineering applications. Virtual worlds for 3-D product models can be created by VRML which is networked via the global Internet and hyperlinked with WWW. The World Design View system can support for members of virtual design teams, possibly distributed all over the world, to share 3-D shape information quickly and easily.

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Coordination among the Security Systems using the Blackboard Architecture (블랙보드구조를 활용한 보안 모델의 연동)

  • 서희석;조대호
    • Journal of Institute of Control, Robotics and Systems
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    • v.9 no.4
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    • pp.310-319
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    • 2003
  • As the importance and the need for network security are increased, many organizations use the various security systems. They enable to construct the consistent integrated security environment by sharing the network vulnerable information among IDS (Intrusion Detection System), firewall and vulnerable scanner. The multiple IDSes coordinate by sharing attacker's information for the effective detection of the intrusion is the effective method for improving the intrusion detection performance. The system which uses BBA (Blackboard Architecture) for the information sharing can be easily expanded by adding new agents and increasing the number of BB (Blackboard) levels. Moreover the subdivided levels of blackboard enhance the sensitivity of the intrusion detection. For the simulation, security models are constructed based on the DEVS (Discrete Event system Specification) formalism. The intrusion detection agent uses the ES (Expert System). The intrusion detection system detects the intrusions using the blackboard and the firewall responses to these detection information.

Analysis of the effects of information-sharing on supply chain management using simulation (시뮬레이션을 이용한 공급사슬관리에서의 정보공유 방식에 따른 효과분석)

  • Li, Guang-Zhu;Lee, Chang-Ho
    • Journal of the Korea Safety Management & Science
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    • v.12 no.4
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    • pp.153-160
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    • 2010
  • In this paper, effects of information sharing in multi-level supply chain management have been studied through simulation. The simulation model consists of a manufacturing company as a center, three suppliers, two logistic centers, and three different retail supply lines of each logistics centers. The mathematical model and the simulation were developed when real-time information sharing occurs and does not occur in supply chain under the assumption that each company applies (s, S) inventory policies. In addition, this paper analyzed the effects of the change of variables related to total costs, which compose of total ordering cost, total transportation cost, total carrying cost and shortage cost that are caused by the change of demand of three different patterns with the way of information sharing.

Marketer-Generated Content Sharing Among Social Broadcasting Users: Effects of Intrinsic Motivations, Social Capital and the Moderating Role of Prevention Focus

  • Li, Yuhao;Wang, Kanliang
    • Asia pacific journal of information systems
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    • v.25 no.4
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    • pp.719-745
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    • 2015
  • Social networking services provide individuals with an easy approach for exchanging messages with others based on interpersonal relationships. However, why individuals spread marketer-generated content (MGC) in their online social circles remains unclear. Therefore, we develop a theoretical model to examine how social capital, intrinsic motivations, personal perceptions, past behavior, and personal traits influence MGC sharing behavior of social media users in micro-blogging context. Data collected from 319 social networking users support the proposed model. The results from partial least squares analyses show that enjoyment, perceived control, and outcome expectations are significant indicators of individual's MGC sharing intention in the social broadcasting environment. Results also suggest that social capital, users' intention, and past behavior positively influence the MGC sharing behavior of users. Moreover, individual prevention pride exhibits a significant interaction effect on the relationships between users' MGC sharing and its antecedents. Implications for research and practice are discussed.