• 제목/요약/키워드: technology classification system

검색결과 1,435건 처리시간 0.03초

A Study on the Necessity for the Standardization of Information Classification System about Construction Products

  • Hong, Simhee;Yu, Jung-ho
    • 국제학술발표논문집
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    • The 7th International Conference on Construction Engineering and Project Management Summit Forum on Sustainable Construction and Management
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    • pp.121-123
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    • 2017
  • The widespread dissemination of the green building certification system has led to the ongoing development of information management technologies with the aim to effectively utilize construction product information. Among them, a data crawling technology enables to collect the data conveniently and to manage large volumes of construction product information in Korea and overseas. However, without a standardized classification system, it is difficult to efficiently utilize information, and problems such as an additional work for classifying information or information-sharing errors. Therefore, this study suggests to present a necessity for the standardization of the information classification system through expert interviews, and to compare construction product classification systems in Korea and overseas. This study is expected to present a necessity for the effective management of construction product information and the standardization of information-sharing with regard to various construction certifications.

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Stress Detection and Classification of Laying Hens by Sound Analysis

  • Lee, Jonguk;Noh, Byeongjoon;Jang, Suin;Park, Daihee;Chung, Yongwha;Chang, Hong-Hee
    • Asian-Australasian Journal of Animal Sciences
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    • 제28권4호
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    • pp.592-598
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    • 2015
  • Stress adversely affects the wellbeing of commercial chickens, and comes with an economic cost to the industry that cannot be ignored. In this paper, we first develop an inexpensive and non-invasive, automatic online-monitoring prototype that uses sound data to notify producers of a stressful situation in a commercial poultry facility. The proposed system is structured hierarchically with three binary-classifier support vector machines. First, it selects an optimal acoustic feature subset from the sound emitted by the laying hens. The detection and classification module detects the stress from changes in the sound and classifies it into subsidiary sound types, such as physical stress from changes in temperature, and mental stress from fear. Finally, an experimental evaluation was performed using real sound data from an audio-surveillance system. The accuracy in detecting stress approached 96.2%, and the classification model was validated, confirming that the average classification accuracy was 96.7%, and that its recall and precision measures were satisfactory.

과학기술 분야 통합 개념체계의 구축 방안 연구 (An Integrated Ontological Approach to Effective Information Management in Science and Technology)

  • 정영미;김명옥;이재윤;한승희;유재복
    • 정보관리학회지
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    • 제19권1호
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    • pp.135-161
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    • 2002
  • 과학기술 분류표, 시소러스, 용어사전 등의 주요한 색인 및 검색 도구를 한국어, 영어 일본어의 3개 언어로 통합 구축하여 활용할 수 있도록 다기능, 다국어 과학기술 통합 개념체계의 모형을 설계하였다. 이 연구에서는 개념을 기본 단위로 한 시소러스 모형을 개발하였으며, 시소러스와 연계되는 용어사전 레코드는 ISO 12620 표준에 근거하여 필수요소를 지정하였다. 또한 과학기술분야 표준분류표를 마련하고 기존의 일반 분류표와의 매핑 테이블을 작성하여 다른 분류표를 통한 접근이 가능하도록 하였다. 본 연구에서 개발한 통합 개념체계를 이용하여 원자력 분야를 대상으로 한 프로토타입 시스템을 구축하고 실제 검색 사례를 제시하였다.

디지털 환경에서 한글 글꼴 분류체계 다양화 연구 (A Study on Diversification of Hangul font classification system in digital environment)

  • 이현주;홍윤미;손은미
    • 디자인학연구
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    • 제16권1호
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    • pp.5-14
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    • 2003
  • 디지털 기술의 발달로 한글글꼴을 다루는 사용자가 증가하고 글꼴 선택의 기준 또한 다양해지면서 전통적인 형태를 벗어난 다양한 한글 글꼴들이 많이 개발되어 사용되고 있다. 그러나 현행 글꼴분류체계는 이러한 글꼴들을 비교분석하고 글꼴 사용의 가이드라인을 제시하기에 부족한 실정이다. 본 연구에서는 한글글꼴개발 및 활용을 지원하는 방안으로 글꼴분류체계의 다양화를 제시하고 다음과 같은 다각도의 분류기준을 제시한다. 첫째, 모임글자라는 한글글꼴의 근본적인 특징을 반영하고 한글 기계화에 큰 변수로 작용하는 한글의 구조에 기반한 글꼴구조분류, 둘째, 공감각적이고 멀티미디어적 정보전달이 일반화되어 가는 실정에 맞추어 감성 이미지어와 글꼴의 시각적 이미지를 연관시키는 글꼴이미지분류, 마지막으로 매체별로 가독성과 주시성 등을 고려하여 글꼴의 용도를 제시하는 글꼴용도분류를 제안한다. 멀티미디어 시대에 완성도 높고 다양한 글꼴의 개발과 문자정보의 부가가치를 높이는 적절하고도 효과적인 글꼴의 활용을 지원하기 위해서는 한글 글꼴의 특징과 사용환경에 기반하여 앞에 제시한 바와 같은 다각도의 분류체계를 세우고 이를 활용한 유기적인 글꼴데이터베이스를 구축하는데 적극적인 투자와 기술적인 지원이 필요하다. 이는 결과적으로 양질의 다양한 한글글꼴의 개발과 이의 활용도를 높일 수 있으리라 기대된다.

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A New Support Vector Machine Model Based on Improved Imperialist Competitive Algorithm for Fault Diagnosis of Oil-immersed Transformers

  • Zhang, Yiyi;Wei, Hua;Liao, Ruijin;Wang, Youyuan;Yang, Lijun;Yan, Chunyu
    • Journal of Electrical Engineering and Technology
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    • 제12권2호
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    • pp.830-839
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    • 2017
  • Support vector machine (SVM) is introduced as an effective fault diagnosis technique based on dissolved gases analysis (DGA) for oil-immersed transformers with maximum generalization ability; however, the applicability of the SVM is highly affected due to the difficulty of selecting the SVM parameters appropriately. Therefore, a novel approach combing SVM with improved imperialist competitive algorithm (IICA) for fault diagnosis of oil-immersed transformers was proposed in the paper. The improved ICA, which is proved to be an effective optimization approach, is employed to optimize the parameters of SVM. Cross validation and normalizations were applied in the training processes of SVM and the trained SVM model with the optimized parameters was established for fault diagnosis of oil-immersed transformers. Three classification benchmark sets were studied based on particle swarm optimization SVM (PSOSVM) and IICASVM with four multiple classification schemes to select the best scheme for transformer fault diagnosis. The results show that the proposed model can obtain higher diagnosis accuracy than other methods. The comparisons confirm that the proposed model is an effective approach for classification problems.

정보통신기술 분야 인터넷자원의 분류체계에 관한 연구 (A Study on the Classification Schemes of Internet Resources in the Fields of the Information & Telecommunications Technology)

  • 이창수
    • 한국도서관정보학회지
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    • 제31권4호
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    • pp.111-138
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    • 2000
  • 이 연구는 인터넷자원의 분류를 위한 새로운 정보통신기술 분야 분류체계를 작성하는데 필요한 기초자료를 제공하고자, 첫째, 정보통신의 개념과 정보통신 기술의 구분을 관련 문헌을 조사하여 분석하고, 둘째, 정보통신기술 분야 인터넷 자원을 분류함에 있어서 기존의 문헌분류체계의 적용과 관련하여 십진분류표, 비십진분류표 민 특수분류표로 나누어 그 분류체계를 파악하며, 셋째, 디렉토리 검색엔진을 이용한 분류에 대해서 국내외의 관려 웹사이트를 조사·분석하였다. 아울러 분석결과를 토대로 정보통신기술 분야의 새로운 분류체계의 구성 방안을 제시하였다.

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데이터베이스 기술 분류 표준화 연구 (A Study on the Standardization for the Classification of Database Technologies)

  • 최명규
    • 정보관리연구
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    • 제27권2호
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    • pp.33-64
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    • 1996
  • 본 연구는 데이터베이스 기술분류의 표준시안을 제시하기 위하여 1차년도(1994년) 연구 결과에 대한 관점을 체계화하고 구체화시켜 수정, 보완하는 형식으로 이루어졌다. 분류관점을 정보와 이를 지원하는 시스템 측면으로 크게 나누어, 데이터베이스 일반, 정보유통, 정보검색, 데이터베이스 시스템, 주변 관련주제를 분류기준으로 하는 표준 시안의 모형이 제시되었다.

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An Improved EEG Signal Classification Using Neural Network with the Consequence of ICA and STFT

  • Sivasankari, K.;Thanushkodi, K.
    • Journal of Electrical Engineering and Technology
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    • 제9권3호
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    • pp.1060-1071
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    • 2014
  • Signals of the Electroencephalogram (EEG) can reflect the electrical background activity of the brain generated by the cerebral cortex nerve cells. This has been the mostly utilized signal, which helps in effective analysis of brain functions by supervised learning methods. In this paper, an approach for improving the accuracy of EEG signal classification is presented to detect epileptic seizures. Moreover, Independent Component Analysis (ICA) is incorporated as a preprocessing step and Short Time Fourier Transform (STFT) is used for denoising the signal adequately. Feature extraction of EEG signals is accomplished on the basis of three parameters namely, Standard Deviation, Correlation Dimension and Lyapunov Exponents. The Artificial Neural Network (ANN) is trained by incorporating Levenberg-Marquardt(LM) training algorithm into the backpropagation algorithm that results in high classification accuracy. Experimental results reveal that the methodology will improve the clinical service of the EEG recording and also provide better decision making in epileptic seizure detection than the existing techniques. The proposed EEG signal classification using feed forward Backpropagation Neural Network performs better than to the EEG signal classification using Adaptive Neuro Fuzzy Inference System (ANFIS) classifier in terms of accuracy, sensitivity, and specificity.

Ensemble Modulation Pattern based Paddy Crop Assist for Atmospheric Data

  • Sampath Kumar, S.;Manjunatha Reddy, B.N.;Nataraju, M.
    • International Journal of Computer Science & Network Security
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    • 제22권9호
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    • pp.403-413
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    • 2022
  • Classification and analysis are improved factors for the realtime automation system. In the field of agriculture, the cultivation of different paddy crop depends on the atmosphere and the soil nature. We need to analyze the moisture level in the area to predict the type of paddy that can be cultivated. For this process, Ensemble Modulation Pattern system and Block Probability Neural Network based classification models are used to analyze the moisture and temperature of land area. The dataset consists of the collections of moisture and temperature at various data samples for a land. The Ensemble Modulation Pattern based feature analysis method, the extract of the moisture and temperature in various day patterns are analyzed and framed as the pattern for given dataset. Then from that, an improved neural network architecture based on the block probability analysis are used to classify the data pattern to predict the class of paddy crop according to the features of dataset. From that classification result, the measurement of data represents the type of paddy according to the weather condition and other features. This type of classification model assists where to plant the crop and also prevents the damage to crop due to the excess of water or excess of temperature. The result analysis presents the comparison result of proposed work with the other state-of-art methods of data classification.