• Title/Summary/Keyword: information modeling

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Functional Requirements about Modeling Methodology for CALS (CALS 구현을 위한 모델링 방법론의 기능조건)

  • 김철한;우훈식;김중인;임동순
    • The Journal of Society for e-Business Studies
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    • v.2 no.2
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    • pp.89-113
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    • 1997
  • Modeling methodology has been widely used for analysis and design of a information system. Specially, under the CALS environments, modeling approach is more important because the enterprise functions are inter-related and information sharing speeds up the business. In this paper, we suggest functional requirements about modeling methodology for CALS by surveying the IDEF0 and ARIS. The former is FIPS 183 and the latter is basic methodology of SAP/R3 which is world-wide ERP system. The proposed functional requirements include all semantics of IDEF0 and adds some features. The first is adding modeling components which are semantic representations. In addition to ICOMs, we add the time and cost component which is required to execute the function. The second is tracing mechanism. When we need some information, we drive the functions related with the information by reverse tracing of the function which produces the information as a output and input. Through the tracing, we find out the bottleneck process or high cost process. This approach guarantees the integrity of data by designating the data ownership. Finally, we suggest the final decomposition level. We call the final decomposed function into unit function which has only one output data. We can combine and reconstruct some of functions such as 'lego block' combination.

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Context Information Modeling Method based on Ontology (온톨로지 기반의 컨택스트 정보 모델링 기법)

  • Kim, Jin-Hyung;Hwang, Myung-Gwon;Jung, Han-Min
    • Journal of Digital Contents Society
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    • v.12 no.4
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    • pp.437-447
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    • 2011
  • Ubiquitous Computing is required to define models for broad context information occurrence by surrounding environment and to study how to model a mechanism for selectively collecting useful pieces of context information and providing relevant intelligent services. Further, studies are also required as to process of context information, and its maintenance and reasoning. However, current context-aware research area still lacks modeling technique that reflects the characteristics of ontology effectively for providing relevant intelligent services. It has also limitation about context reasoning and interoperability among context information. Therefore, this paper proposes ontology-based context-aware modeling technique and framework enabling efficient specification of context information for providing intelligent context-aware services that support context management and reasoning.

The Geometric Modeling for 3D Information of X-ray Inspection (3차원 정보 제공을 위한 X-선 검색장치의 기하학적 모델링)

  • Lee, Heung-Ho;Lee, Seung-Min
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.62 no.8
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    • pp.1151-1156
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    • 2013
  • In this study, to clearly establish the concept of a geometric modeling I apply for the concept of Pushbroom, limited to two-dimensional radiation Locator to provide a three-dimensional information purposes. Respect to the radiation scanner Pushbroom modeling techniques, geometric modeling method was presented introduced to extract three-dimensional information as long as the rotational component of the Gamma-Ray Linear Pushbroom Stereo System, introduced the two-dimensional and three-dimensional spatial information in the matching relation that can be induced. In addition, the pseudo-inverse matrix by using the conventional least-squares method, GCP(Ground Control Point) to demonstrate compliance by calculating the key parameters. Projection transformation matrix is calculated for obtaining three-dimensional information from two-dimensional information can be used as the primary relationship, and through the application of a radiation image matching technology will make it possible to extract three-dimensional information from two-dimensional X-ray imaging.

Evaluation on Practical Use of Raw Data for 3D Indoor Space Modeling (3차원 실내공간 모델링 원시자료의 활용도 평가)

  • Kim, Yun Ji;Yoo, Byoung Min;Lee, Jiyeong
    • Spatial Information Research
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    • v.22 no.6
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    • pp.33-43
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    • 2014
  • As the number of people who live indoor space has been increased, the interest in 3D indoor spatial information has been grown. Object-Oriented 3D indoor space modeling including indoor spatial information has performed in level of detail 4, and modeling data is able to be constructed based on various raw data which are as-built drawing, laser scanning, BIM data, and camera. 3D indoor space modeling has been worked based on established indoor space modeling process, and the result can be used for various application fields such as indoor space pedestrian navigation, facility management, disaster management, and so on. However, the modeling process has limitations to perform indoor space modeling efficiently, because the process is complicated and wastes time at modeling work. In this paper, we propose evaluation on practical use of raw data for 3D indoor space modeling purpose on supporting efficient indoor space modeling through analyzing the established process. Therefore, we define the requirements to evaluate the practical use of raw data and propose the verification method. In addition, as-built drawing which has been used in Seoul 3D indoor space modeling project will be applied to proposed method as a raw data.

Comparision of Process Modeling (프로세스 모델링 비교)

  • Choi Sungwoon
    • Proceedings of the Safety Management and Science Conference
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    • 2005.05a
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    • pp.147-151
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    • 2005
  • Many enterprise find process modeling to be an effective approach in competitive global market. In this paper, we investigate the comparision of characteristics for process modeling methodologies. The purpose of this paper is to propose information to company for successful process modeling.

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Information Modeling of Modular Bridge Pier using BIM Based 3D-Model Library (BIM 기반 3차원 모델 라이브러리를 통한 모듈러 교각의 정보모델링)

  • Jo, Jae-Hun;Kim, Dong-Wook;Lee, Kwang-Myong;Nam, Sang-Hyeok
    • Journal of KIBIM
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    • v.3 no.4
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    • pp.11-18
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    • 2013
  • Modular technology has become a major issue of the construction industries to enhance their productivity. Modular bridge construction generally requires the collaboration between the contractor, designer, fabricator and constructor. Therefore, a readily accessible information model based on BIM technology should be provided for their communication during a construction project life-cycle. In this study, BIM based 3D information modeling was carried out for the modular bridge pier. First, the product breakdown structure (PBS) and level of detail (LOD) of the pier were defined. Based on them, 3D models were created by using parametric modeling method. In addition, database was constructed for the exchange of geometry and property data of 3D models. Finally, application areas of 3D information model were suggested, including the quantity estimation and the 4D simulation.

Object-Oriented Modeling Activity and Systems Development Success: Theory and Empirical Exploration (객체지향 시스템 모델링 활동과 시스템개발 성공: 이론과 실증적 탐색)

  • An, Joon-Mo
    • Asia pacific journal of information systems
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    • v.10 no.4
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    • pp.37-56
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    • 2000
  • This study proposes the concept and measurement of object-oriented systems modelling activity based on the previous research in the area of systems engineering, object-oriented modelling, and information systems. The modelling activity is related to information systems development success for exploring the correlation of each other. The object-oriented modeling activity is found to be related to user satisfaction with developed information systems, But the modeling activity does not have relation to the other successes, such as cost, development schedule, and maintenance. This study contributes to systems development modeling research, systems success, and object-oriented systems modelling research. Practically, the results support the usefulness of object-oriented modelling effort in the field in terms of user satisfaction.

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A study on the integrated data modeling for the plant design management system and the plant design system using relational database (관계형 데이터베이스를 이용한 PDMS/PDS의 통합 데이터 모델링에 관한 연구)

  • 양영태;김재균
    • Journal of Ocean Engineering and Technology
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    • v.11 no.3
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    • pp.200-211
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    • 1997
  • Most recently, offshore Engineering & Construction field is concerned about integration management technology such as CIM(Computer Integrated Manufacturing), PDM(Product Data Management) and Enterprise Information Engineering in order to cope with the rapid change of engineering and manufacturer specification as per owner's requirement during construction stage of the project. System integration and integrated data modeling with relational database in integration management technology improve the quality of product and reduce the period of the construction project by reason of owing design information jointly. This paper represents the design methodology of system integration using Business Process Reengineering by the case study. The case study is about the offshore plant material information process from front end engineering design to detail engineering for the construction and the basis of monitoring system by integrating and sharing the design information between the 2D intelligent P&ID and 3D plant modeling using relational database. As a result of the integrated data modeling and system integration, it is possible to maintain the consistency of design process in point of view of the material balancing and reduce the design assumption/duration. Near future, this system will be expanded and connected with the MRP(Material Requirement Planing) and the POR (Purchase Order Requisition) system.

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A Study on the Dimensions of Object-oriented Systems Modeling : Theory and an Exploratory Evaluation (객체지향 시스템 모델링 차원 : 이론 및 탐색적 평가)

  • 안준모
    • The Journal of Information Technology and Database
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    • v.8 no.1
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    • pp.41-65
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    • 2001
  • This study proposes evaluation dimensions of object-oriented systems modelling tools and activities available in object-oriented systems development practices. The dimensions ale developed based on previous research in cognitive psychology, information systems modeling study, and object-oriented systems analysis arid design areas. The proposed dimension is composed of two dimensions. The one dimension includes abstraction levels of modelling and the other includes process and representation in modeling activities. Experts on object-oriented modeling were selected to evaluate the practical validity of the proposed dimensions and applications of major object-oriented modeling tools during systems development project. Most of the tools were observed to be used for representing objects rather than for modeling the process of related objects. The proposed modeling dimension will be evaluated for acquiring general validity in future empirical research.

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