• Title/Summary/Keyword: Knowledge Structures

Search Result 737, Processing Time 0.031 seconds

A Study on the Modification and Development of Curriculum for the Department of Food and Nutrition in Junior College (전문대학 식품영양과 교육과정의 수정 개발에 관한 연구)

  • Nam, Gung-Seok;So, Myeong-Hwan;Yun, Seong-Sik
    • The Korean Journal of Food And Nutrition
    • /
    • v.2 no.1
    • /
    • pp.45-60
    • /
    • 1989
  • According as the economic growth and the development of highly industrialized society have improved the nation's standard of living, a great change in recognition of public health has occurred and also brought about a concomitant change in the roles and responsibilities of nutritionists. Consequently, the curriculum of Junior Colleges is required to be revised so as to provide substantial education through which the acquisition of necessary professional knowledge and technique as intermediate technicians and the efficient training can be achieved. On the basis of the survey and analysis of the current curriculum and of the functional structures of nutritionists, this study made an attempt to frame a model curriculum that may provide effective education and training and help to establish a desirable curriculum of Junior Colleges.

  • PDF

Recent Researches for Diatom as Inorganic and Bioenvironmental Materials (무기소재 및 생물환경 소재로서의 규조류 활용 연구 동향)

  • Jang, Eui Kyoung;Shin, Hyun Kyeong;Pack, Seung Pil
    • KSBB Journal
    • /
    • v.29 no.1
    • /
    • pp.9-21
    • /
    • 2014
  • One of the most abundant microalgaes, diatom is characterized by its unique cell wall structures composed of nano-patterned silica. Due to its highly ordered porosity, these silica frustules, which are found as sediments called diatomite, were used as a cheap adsorption material for water purification. Recently, new emerging nanotechnology compels many researchers to have interest in such diatom's unique properties (eg, nano-scale mesoporosity, photo luminescence, light transparency, etc.) as biogenic inorganic materials as well as the biomass resource (conventional usage of microalgae). In this review, we will focus on the current knowledge about the diatoms research and the possibility of its applications.

Entropy-based optimal sensor networks for structural health monitoring of a cable-stayed bridge

  • Azarbayejani, M.;El-Osery, A.I.;Taha, M.M. Reda
    • Smart Structures and Systems
    • /
    • v.5 no.4
    • /
    • pp.369-379
    • /
    • 2009
  • The sudden collapse of Interstate 35 Bridge in Minneapolis gave a wake-up call to US municipalities to re-evaluate aging bridges. In this situation, structural health monitoring (SHM) technology can provide the essential help needed for monitoring and maintaining the nation's infrastructure. Monitoring long span bridges such as cable-stayed bridges effectively requires the use of a large number of sensors. In this article, we introduce a probabilistic approach to identify optimal locations of sensors to enhance damage detection. Probability distribution functions are established using an artificial neural network trained using a priori knowledge of damage locations. The optimal number of sensors is identified using multi-objective optimization that simultaneously considers information entropy and sensor cost-objective functions. Luling Bridge, a cable-stayed bridge over the Mississippi River, is selected as a case study to demonstrate the efficiency of the proposed approach.

Developing An Expert System for The Selection of Foundation Types and Methods (기초 형식 및 공법 선정을 위한 전문가 시스템 개발)

  • 정영식;이종석;김태헌;홍운철
    • Proceedings of the Computational Structural Engineering Institute Conference
    • /
    • 1998.10a
    • /
    • pp.381-388
    • /
    • 1998
  • This paper describes the development of an expert system designed to help engineers select proper foundation types and construction methods for structures under various subsoil conditions. The system includes geographical and geological data in certain areas of Ulsan and a knowledge base for the selection of foundation types. Geological data, such as boring logs, in the areas were collected and arranged to form the subsoil database in the areas concerned Test borings at 30 holes were carried out for reference and confirmation purposes. The use of this system is twofold. It provides the users with a quick view on the geological situations of the areas concerned, and suggests proper foundation types for the specific spot together with some explanations on the selected foundation types and methods.

  • PDF

Haut - A 21-storey Tall Timber Residential Building

  • Verhaegh, Rob;Vola, Mathew;de Jong, Jorn
    • International Journal of High-Rise Buildings
    • /
    • v.9 no.3
    • /
    • pp.213-220
    • /
    • 2020
  • This paper reflects on the structural design of Haut; a 21-storey high-end residential development in Amsterdam, the Netherlands. Construction started in 2019 and is in progress at the time of writing. Upon completion in 2021, Haut will be the first residential building in the Netherlands to achieve a 'BREEAM-outstanding' classification. The building will reach a height of 73 m, making it the highest timber structure in the Netherlands. It contains some 14.500 ㎡ of predominantly residential functions. It features a hybrid concrete-timber stability system and concrete-timber floor panels. This paper describes the concepts behind the structural design for Haut and will touch upon the main challenges that have arisen from the specific combination of characteristics of the project. The paper describes the design of the stability system and -floor system, the analysis of differential movements between concrete and timber structures and wind vibrations. The paper aims to show how the design team has met these specific challenges by implementing a holistic design approach and integrating market knowledge at an early stage of the design.

An Expert System for Designs of Foundations by ActiveX in Internet (인터넷상에서의 ActiveX를 이용한 기초공법선정 전문가시스템 구현)

  • 김정호;이종석
    • Proceedings of the Computational Structural Engineering Institute Conference
    • /
    • 1999.10a
    • /
    • pp.168-175
    • /
    • 1999
  • The previous study was an expert system development that help engineers select proper foundation types and construction methods for structures under various subsoil condition. The system includes geographical and geological data in certain areas of Ulsan and a knowledge base for the selection of foundation types. However, the system, a kind of application program, has a weakness that it can be used only when it is installed at each user's own computer. Therefore, the purpose of the research is to more the system operated on Internet and spread over to more users. So, Server Installation, ActiveX, ADO(Active Data Objects) and ASP(Active Server Pages), which are the requirements to operate the system on Internet, are to be investigated through the research.

  • PDF

Investigation on the 3-D design guidelines of structures (구조물의 3차원 설계 패러다임을 위한 지침에 대한 고찰)

  • Shim, Chang-Su;Kim, Yong-Han;Jeon, Seung-Min;Kwak, Tae-Young
    • Proceedings of the Computational Structural Engineering Institute Conference
    • /
    • 2007.04a
    • /
    • pp.301-306
    • /
    • 2007
  • Design of civil infrastructures is generally based on 2-D drawings and analyses. Design provisions also specify the limit states using member based equations. Most construction projects are done through collaboration of engineers who have different specialized knowledge. Information technologies can dramatically enhance the performance of the collaboration. For the information transfer, we need a mediator between engineers. Object based 3-D models are useful for the communication and for the owners who have to maintain whole the information of infrastructures. In this paper, basic guidelines for the 3-D design according to design phases. Adequate interoperability of 3-D objects from any CAD system is essential for the collaboration. Owners, contractors and design consultants were considered as users of 3-D objects. Cost and performance of each design phases was investigated through the existing data.

  • PDF

A Study on Data Quality Management in Business Intelligence Environments (비즈니스 인텔리전스 환경에서 변환 관리를 이용한 데이터 품질 향상에 대한 연구)

  • Lee, Choon-Yeul
    • Information Systems Review
    • /
    • v.6 no.2
    • /
    • pp.65-77
    • /
    • 2004
  • Business intelligence assumes an integrated and inter-connected information resources. To manage an integrated database, we need to trace data transformation processes from its outset. For this purpose, this study proposes an extended Information Structure Graph that models data transformation steps in addition to data transformation structures. Using the graph, we can identify relationship among data entities and assign data quality measures to each nodes or arcs of a graph, thus eases management of data and enhancing their quality.

Development of the Corrosion Deterioration Inspection Tool for Transmission Tower Members

  • Woo, Sangkyun;Chu, Inyeop;Youn, Byongdon;Kim, Kijung
    • KEPCO Journal on Electric Power and Energy
    • /
    • v.2 no.2
    • /
    • pp.293-298
    • /
    • 2016
  • Recently, interests for maintenance of transmission tower are increasing to extend life of structures and reduce maintenance cost. However, existing classical diagnosis method of corrosion deteriorated degree on the transmission tower steel members, visual inspection, has a problem that error often due to difference of inspector's individual knowledge and experience. In order to solve the problem, this study carried out to develop the corrosion deterioration inspection tool for transmission tower steel members. This tool is composed of camera equipment and computer-aided diagnosis system. We standardized the photographing method by camera equipment to obtain suitable pictures for image processing. Diagnosis system was designed to evaluate automatically degree of corrosion deterioration for member of transmission tower on the basis of the RGB color image processing techniques. It is anticipated that developed the corrosion deterioration inspection tool will be very helpful in decision of optimal maintenance time for transmission tower corrosion.

Exploratory Study of Developing a Synchronization-Based Approach for Multi-step Discovery of Knowledge Structures

  • Yu, So Young
    • Journal of Information Science Theory and Practice
    • /
    • v.2 no.2
    • /
    • pp.16-32
    • /
    • 2014
  • As Topic Modeling has been applied in increasingly various domains, the difficulty in naming and characterizing topics also has been recognized more. This study, therefore, explores an approach of combining text mining with network analysis in a multi-step approach. The concept of synchronization was applied to re-assign the top author keywords in more than one topic category, in order to improve the visibility of the topic-author keyword network, and to increase the topical cohesion in each topic. The suggested approach was applied using 16,548 articles with 2,881 unique author keywords in construction and building engineering indexed by KSCI. As a result, it was revealed that the combined approach could improve both the visibility of the topic-author keyword map and topical cohesion in most of the detected topic categories. There should be more cases of applying the approach in various domains for generalization and advancement of the approach. Also, more sophisticated evaluation methods should also be necessary to develop the suggested approach.