• 한국전자거래학회지
• /
• 제2권2호
• /
• pp.89-113
• /
• 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.

• 디지털콘텐츠학회 논문지
• /
• 제12권4호
• /
• pp.437-447
• /
• 2011

유비쿼터스 컴퓨팅 환경에서는 주변 환경에 의해 발생하는 방대한 컨택스트 정보에 대한 모델 정의와 컨택스트 인지를 통한 지능적인 서비스 제공을 위하여 컨택스트 정보 처리, 관리 및 추론과 관련한 연구가 필수적으로 요구된다. 그러나 현재 컨택스트 인지 분야에서는 고수준의 서비스 지원을 위한 온톨로지 특성을 효과적으로 반영한 모델링 기법이 부재하며, 지능적인 추론(응용, 조합)을 지원하는 기법 부재 및 컨택스트 정보간 상호운용성 지원의 한계를 가지고 있다. 따라서 본 연구의 최종 목표는 실세계에 존재하는 실체(entity)에 대한 상태를 특징화하고 정의하기 위한 방법으로 육하원칙을 적용한 온톨로지 기반의 컨택스트 인지 모델링 기법 컨택스트 인지를 위한 육하원칙 온톨로지를 개발하고 보다 양질의 지능화된 컨택스트 인지 서비스를 제공하기 위해 컨택스트 정보에 대한 관리 및 컨택스트 추론을 지원하는 프레임워크를 개발함에 있다.

• 전기학회논문지
• /
• 제62권8호
• /
• pp.1151-1156
• /
• 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.

• 대한안전경영과학회:학술대회논문집
• /
• 대한안전경영과학회 2005년도 춘계학술대회
• /
• pp.153-157
• /
• 2005

We consider the integrated information system by information strategy planning(ISP) and process modeling. This paper is to propose information when enterprise implement the integrated enterprise information system.

• Spatial Information Research
• /
• 제22권6호
• /
• pp.33-43
• /
• 2014

최근 실내공간에서 활동하는 인구가 증가함에 따라 3차원 실내공간정보에 대한 관심이 높아지고 있다. 실내공간정보를 포함하는 3차원 실내공간 모델링은 LoD 4 (Level of Detail 4) 수준의 객체지향 형태로 수행되고 있으며, 원시자료에 따라 준공도면, 레이저스캐닝, BIM데이터와 카메라를 이용하여 모델링 데이터를 구축할 수 있다. 3차원 실내공간 모델링을 수행하기 위해 정립된 프로세스는 실내공간 모델링 데이터 구축작업의 기반이 되며 구축된 모델링 데이터는 실내공간 보행자 내비게이션, 시설물관리 및 재난관리 등 다양한 어플리케이션에서 활용가능하다. 그러나 정립된 실내공간 모델링 프로세스 기반으로 수행되는 작업이 매우 복잡하고 모델링 작업에 많은 시간이 소비되어 효율적인 모델링을 하는데 한계가 있다. 따라서 본 연구에서는 효율적인 실내공간 모델링 수행 지원을 목적으로 원시자료의 활용도 평가를 제안한다. 기존 3차원 실내공간 모델링 프로세스 분석을 통해 활용도 평가를 위한 필요요건을 정의하고, 검증 방법을 제안한다. 또한 제안된 방법은 서울시 3차원 실내공간 모델링 프로젝트에서 사용된 준공도면을 적용하여 수행한다.

• 대한안전경영과학회:학술대회논문집
• /
• 대한안전경영과학회 2005년도 춘계학술대회
• /
• pp.147-151
• /
• 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.

• 한국BIM학회 논문집
• /
• 제3권4호
• /
• pp.11-18
• /
• 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.

• Asia pacific journal of information systems
• /
• 제10권4호
• /
• pp.37-56
• /
• 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.

• 한국해양공학회지
• /
• 제11권3호
• /
• pp.200-211
• /
• 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.

• 한국정보시스템학회지:정보시스템연구
• /
• 제30권1호
• /
• pp.45-64
• /
• 2021

Purpose The traditional topic modeling technique makes it difficult to distinguish the semantic of topics because the key words assigned to each topic would be also assigned to other topics. This problem could become severe when the number of online reviews are small. In this paper, the extended model of topic modeling technique that can be used for analyzing a small amount of online reviews is proposed. Design/methodology/approach The extended model of being proposed in this paper is a form that combines the traditional topic modeling technique and the Word2Vec technique. The extended model only allocates main words to the extracted topics, but also generates discriminatory words between topics. In particular, Word2vec technique is applied in the process of extracting related words semantically for each discriminatory word. In the extended model, main words and discriminatory words with similar words semantically are used in the process of semantic classification and naming of extracted topics, so that the semantic classification and naming of topics can be more clearly performed. For case study, online reviews related with Udo in Tripadvisor web site were analyzed by applying the traditional topic modeling and the proposed extension model. In the process of semantic classification and naming of the extracted topics, the traditional topic modeling technique and the extended model were compared. Findings Since the extended model is a concept that utilizes additional information in the existing topic modeling information, it can be confirmed that it is more effective than the existing topic modeling in semantic division between topics and the process of assigning topic names.