• Title/Summary/Keyword: Functional requirements

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Development of a Component-Based Distributed Supply Chain Planning System (컴포넌트에 기반한 분산 공급사슬계획 시스템 개발)

  • 정한일;박찬권;이기창
    • The Journal of Society for e-Business Studies
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    • v.7 no.2
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    • pp.143-156
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    • 2002
  • The objective of supply chain planning is to satisfy the requirements for minimizing inventory costs, transportation costs, and lead times throughout the supply, production and distribution stage dispersed geographically. Therefore, the supply chain planning system should have functionalities to resolve complex optimization problems that have characteristics of multi-stage and multi-product. Ant the system should also support collaborative decision making among distributed business partners. In this study, we proposed a distributed architecture for the supply chain planning system. To do this, we analyzed functional requirements by using IDEF-0(ICAM Definition-0) methodology, defined required components, and designed each component by using object-oriented methodology. We implemented a prototype system based on CORBA (Common Object Request Broker Architecture) to show that the proposed distributed architecture based on component technology is feasible and can solve supply chain planning problem collaboratively.

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A Design Creation Method for Ship Configuration based on the Aesthetic Cognitive Theory

  • Shinoda, Takeshi;Fukuchi, Nobuyoshi
    • Journal of Ship and Ocean Technology
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    • v.5 no.3
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    • pp.14-26
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    • 2001
  • The shape of an industrial product has to be determined within the constrained conditions of keeping firmly many kinds of functional and performance requirements. On the other hand, the configuration of artistic work would be created desirably using the sense of aesthetics, even if conflicting slightly with these requirements. The development of a methodology for an aesthetic design founded on human sensitivity is becoming highly desirable in recent years. In this paper, a method of measuring beauty quantitatively for an artistic evaluation if proposed using the aesthetic cognitive theory and the optimum configuration could be found by a search using the genetic algorithm. Furthermore, an expression of optimum ship appearance can be gained as graphics.

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A Comparative Study of Formal Methods for Safety Critical Software in Nuclear Power Plant

  • Sedo Sohn;Seong, Poong-Hyun
    • Nuclear Engineering and Technology
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    • v.32 no.6
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    • pp.537-548
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    • 2000
  • The requirement of ultra high reliability of the safety critical software can not be demonstrated by testing alone. The specification based on formal method is recommended for safety system software. But there exist various kinds of formal methods, and this variety of formal method is recognized as an obstacle to the wide use of formal method. In this paper six different formal method have been applied to the same part of the functional requirements that is calculation algorithm intensive. The specification results were compared against the criteria that is derived from the characteristics that good software requirements specifications should have and regulatory body recommends to have. The application experience shows that the critical characteristics should be defined first, then appropriate method has to be selected. In our case, the Software Cost Reduction method was recommended for internal condition or calculation algorithm checking, and statechart method is recommended for the external behavioral description.

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Blockchain based Online Pharmacy with Customer Privacy Protection

  • Im, Cheon Woon;Kim, Dong Han;Jang, Jung Eun;Shin, Eun Jung;Lee, Hyun Chul;Kim, Tae Hyun;Kim, Seong Whan
    • Proceedings of the Korea Information Processing Society Conference
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    • 2021.05a
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    • pp.33-36
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    • 2021
  • Corona 19 minimizes face-to-face contact, and online untact platforms are emerging in the medical sector. However, there are potential risks of medicine expiration, medicine misuse, and responsible materials management for secure delivery. In this paper, we investigate three key functional requirements for online pharmacy, and design the blockchain based online pharmacy to meet the requirements. To protect the patient's privacy and to ensure tamper-free traceability, we incorporate the multi-level access authentication scheme for each participant (governments, medical circles, and patients). We show that our system guarantees patient's privacy without further system modification.

Identifying Security Requirement using Reusable State Transition Diagram at Security Threat Location (보안 위협위치에서 재사용 가능한 상태전이도를 이용한 보안요구사항 식별)

  • Seo Seong-Chae;You Jin-Ho;Kim Young-Dae;Kim Byung-Ki
    • The KIPS Transactions:PartD
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    • v.13D no.1 s.104
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    • pp.67-74
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    • 2006
  • The security requirements identification in the software development has received some attention recently. However, previous methods do not provide clear method and process of security requirements identification. We propose a process that software developers can build application specific security requirements from state transition diagrams at the security threat location. The proposed process consists of building model and identifying application specific security requirements. The state transition diagram is constructed through subprocesses i) the identification of security threat locations using security failure data based on the point that attackers exploit software vulnerabilities and attack system assets, ii) the construction of a state transition diagram which is usable to protect, mitigate, and remove vulnerabilities of security threat locations. The identification Process of application specific security requirements consist of i) the analysis of the functional requirements of the software, which are decomposed into a DFD(Data Flow Diagram; the identification of the security threat location; and the appliance of the corresponding state transition diagram into the security threat locations, ii) the construction of the application specific state transition diagram, iii) the construction of security requirements based on the rule of the identification of security requirements. The proposed method is helpful to identify the security requirements easily at an early phase of software development.

Functional Requirements to Develop the Marine Navigation Supporting System for Northern Sea Route (북극해 안전운항 지원시스템 구축을 위한 기능적 요구조건 도출)

  • Hong, Sung Chul;Kim, Sun Hwa;Yang, Chan Su
    • Spatial Information Research
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    • v.22 no.5
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    • pp.19-26
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    • 2014
  • International attention on the Northern Sea Route has been increased as the decreased sea-ice extents in Northern Sea raise the possibility to develop new sea routes and natural resources. However, to protect ships' safety and pristine environments in polar waters, International Maritime Organization(IMO) has been developing the Polar Code to regulate polar shipping. The marine navigation supporting system is essential for ships traveling long distance in the Northern Sea as they are affected by ocean weather and sea-ice. Therefore, to cope with the IMO Polar Code, this research proposes the functional requirements to develop the marine navigation supporting system for the Northern Sea Route. The functional requirements derived from the IMO Polar code consist of arctic voyage risk map, arctic voyage planning and MSI(Marine Safety Information) methods, based on which the navigation supporting system is able to provide dynamic and safe-economical sea route service using the sea-ice observation and prediction technologies. Also, a requirement of the system application is derived to apply the marine navigation supporting system for authorizing ships operating in the Northern Sea. To reflect the proposed system in the Polar Code, continual international exchange and policy proposals are necessary along with the development of sea-ice observation and prediction technologies.

Elementary School Children s Intake Patterns of Health Functional Foods and Parent s Requirements in Daejeon Area (대전지역 학령기 아동의 건강기능식품 섭취실태 및 부모의 요구도)

  • Park, Jin-Seon;Lee, Joon-Ho
    • Korean Journal of Community Nutrition
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    • v.13 no.4
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    • pp.463-475
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    • 2008
  • This study investigated intake patterns of health functional foods(HFF) in elementary school children and requirements of their parents in the Daejeon area using a questionnaire by 432 parents. Participating parents were composed of female, 83.6% and male, 16.4%. Most of the parents were in their 40's(53.0%) and 30's(45.8%). 47.9% of the children were male and 52.1% were female. The school year of the children was distributed evenly, ranging from the first year to the sixth year. The intake rate of HFF for parents appeared to be 65.3% and for children it appeared to be 63.2%. The primary reason of using HFF to their child was 'For health promotion'(54.4%); the largest reason of non-using HFF was 'Do not feel necessity because is healthy'(48.8%). In regards to purchase place, 'Drugstore' was most selected by 26.1%, while the largest amount of purchase motive was 'Decided by oneself for children's health'(37.7%). The average expense per month was, 'Less than 50 thousand portion'(20.3%). The intake period, 'less than 6 months' was won' for 54.9%. For intake items, 'Vitamin supplementation products' was the largest portion'(20.3%) was indicated. The intake period, less than 6 months' was the most selected by 51.3%. Most people(66.7%) selected '1 kind' of intake item. As for intake effect, 45.4% claimed 'A little help'. In regard to experiencing side effects, 'Is not' was 92.7%, however, diarrhea, nettle rash, nausea etc. were a little. The biggest problem of HFF was 'Falsehood/exaggerative advertisement' as identified by 53.1%. For improvement of the HFF system was, 'Verify by more strict formality' as selected by 55.8%. In regards to experience of nutrition education on HFF, 'Is not' was most selected by 51.0%. The most desirous form of nutrition education was, 'Simple paper material'(31.3%). The most desirous content of nutrition education was, 'nutritional management of classified by life cycle'(37.2%). Therefore, HFF must be used properly to promote the health and growth development of children by acquiring scientific and reasonable information about the ability and usage of the food.

A Study on Functional Requirements of Records Management Systems for Government-Affiliated Organizations to respond to Immediate Disclosure of Original Official Documents (체계적인 원문정보공개를 위한 정부산하공공기관 기록관리시스템 기능요건 연구)

  • Hwang, Jin-hyun;Yim, Jin-hee
    • The Korean Journal of Archival Studies
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    • no.46
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    • pp.325-363
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    • 2015
  • The object of this study is to help the government-affiliated public institutions, which are ahead of the Immediate Disclosure of Original Official Documents in 2016, to conduct a systematic disclosure of the original official documents on the basis of records management. As of now, many government-affiliated public institutions are facing difficulties in systematically conducting the immediate disclosure of original official documents as they lack specialists in records managements, let alone a system for carrying out the procedures. In this situation, the study induces insights on this matter by inspecting former cases of the Ministry of Government Administration and Home Affairs, and of Seoul Metropolitan Government. Moreover, the study examines the examples of three government-affiliated public institutions, which are establishing a records management system to better cope with the immediate disclosure of original official documents. The institutions are in the beginning stages of building up a system for records management and immediate disclosure of original official documents. Therefore, the characteristics of these institutions must be considered in working out the strategy for immediate disclosure of original official documents. For this reason, this study reflected the attributes of each institute in establishing a self-developed records management system; in which, the disclosure of original documents based on registrars and records management system is made possible. This study also suggests functional requirements that must be included in coping with the immediate disclosure of original official documents.

Development of Functional Suitability Evaluation Measure of DRM Software (DRM 소프트웨어의 기능적합성 평가 척도의 개발)

  • Lee, Ha-Young;Yang, Hyo-Sik
    • Journal of Digital Convergence
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    • v.14 no.5
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    • pp.293-300
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    • 2016
  • DRM software should conform completeness, correctness and appropriateness for the related function to protect digital right properly. Therefore, the systematization of functionality evaluation method based on the related standard is essentially required. In this paper, based on the software quality standard, I intended to construct a model to measure the quality about functionality including suitability, accuracy and interoperability of DRM software. To this, we developed functional suitability evaluation model by analyzing infra-technology of DRM software and quality requirements about functional suitability. I think that through this study, functionality criteria to enhance the quality level of DRM software. Through the accumulation of future evaluation practices, it is necessary to improve the suitability and validity of the DRM software functional suitability evaluation model.

Multi-Functional Furniture Design in Small Living Space

  • Kim, Hyun-Jeong;Choi, Kyung-Ran;Sung, Yun-Jung
    • Journal of the Korea Furniture Society
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    • v.22 no.3
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    • pp.190-198
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    • 2011
  • This study intended to present a new direction of differentiated and innovative furniture design for small living space overcoming the uniformity of conventional small living. In order to achieve these goals, a new piece of furniture with multi functions useful for such small space has been designed and explained in this study. This new type multi-functional furniture can be utilized as kitchen, dining table, home bar or office stand depending on the user's necessity. In particular, it provides more adaptability to changing life and spatial availabilities for small living space in terms of space division, separation and fusion features. Based on the needs of small living space brought by social changes, the conventional concept of small living space, which divides space by partitions or walls, should be changed into flexible perception of space. Also, this research proposed the features of furniture design for functional shifts in terms of its functional, structural, and systematical aspects. In this respect, space can be regarded as a variable place and the image of space can be differently appreciated by means of shift, functional transition and mobility. That is, small living space can be perceived as kitchen, living space or working space at the same time. In conclusion, the versatile use of limited space can be a solution to the issues related to small living space; the convertible and movable furniture called F4 Island presented in this study can transform such spatially limited space into a space with multiple functions to meet the requirements of its residents.

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