• Title/Summary/Keyword: computer program

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Comment on the Copyrightability of Font-files as Computer Program (글자체파일의 컴퓨터프로그램저작물성 판단에 대한 비판)

  • Jeong, Jin-Keun
    • Journal of Software Assessment and Valuation
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    • v.15 no.2
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    • pp.17-24
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    • 2019
  • Use without permission of font files is a social problem. In the meantime, our court recognized font files as computer programs. Is the font file a computer program? This recognition arises from the inability to distinguish between computer programs and data. Expert recognition, on the other hand, does not recognize font files as computer programs. In this regard, there was a case in 2014 that INI files were not computer programs, but only data files. So, the attitude of the Supreme Court in 2001 only makes it difficult to distinguish between computer programs and data. The Supreme Court's decision needs to be changed. In addition, a new legal system should be in place to protect font files.

Prediction of Environmental Fate of Certain Chemicals Using Computer Simulation Programs (Computer Program을 이용한 화학물질의 환경동태 예측)

  • Kim, Kyun;Kim, Yong-Hwa
    • Korean Journal of Environmental Agriculture
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    • v.12 no.1
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    • pp.69-80
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    • 1993
  • Environmental hazards of a chemical could be assessed by two different approaches : toxicity test and assessment of exposure potentials to human and environmental organisms. For the prediction of environmental fate of chemicals three available computer programs were compared each other and were verified. The results obtained by using these computer programs, PCHEM, EXAMS, and E4CHEM were summarized as follows. The estimated octanol/water partition coefficients by PCHEM were similar to the experimental values in the literature. But the other factors, water solubility and vapor pressure were different from the data in the literature. The simulation results of selected compounds by EXAMS showed similar tendency to the literature results of model field environment. Therefore, this computer program could be utilized to predict the environmental fate of chemicals. E4CHEM program is very simple and this program could predict the ultimate environmental fate of stable chemicals by input of two or three parameters. However, the validity should further be verified in the future field study using more compounds. It is suggested that these approaches could be fully utilized by understanding their limitations to predict the environmental fate of new chemicals under development, to screen the potential environmental pollutants among chemicals already-in use, and to devise measures to minimize the hazards to the environment.

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A Case Study on Information Education for Pre-Service Teacher using Unplugged Computing (언플러그드 컴퓨팅을 이용한 예비교사의 정보교육 사례 연구)

  • Han, Hee-Seop;Han, Seon-Kwan
    • Journal of The Korean Association of Information Education
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    • v.13 no.1
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    • pp.23-30
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    • 2009
  • In this study, we proposed a pre-service teacher training program that assists efficiently the conceptual comprehension and teaching skill development of computer science education. The program is integrated with Protype Theory and Example Theory based on cognitive psychology. And also the real teaching activities based on Unplugged Learning are provided for conceptual comprehension of computer science education as well as for learning computer science. This program was applied to 31 pre-service teachers for one semester. The results show that this program is very effective for pre-service teacher training of computer science education.

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Design Development of Computer Desk with Design Support Program based upon Academic-Industrial colleboration -with application of Universal Design Concept- (산학디자인 지원프로그램을 통한 컴퓨터데스크 개발연구 -유니버설 디자인 개념 적용을 통하여-)

  • 김국선
    • Journal of the Korea Furniture Society
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    • v.14 no.2
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    • pp.41-51
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    • 2003
  • With rapidly changing modem information technology, the structure of our lifestyle has underwent much changes in our society. One of these changes is an immense distribution of computer desks, which became necessities of life in various organizations, companies and public offices as well as at home. Therefore, many companies are faced with the necessity of bringing about a new product with esthetic needs and new functions and come to have opportunities to make profits from top-quality products based on competitive design development. The academic design support program in collaboration with industry can provide design-related industry with a design assistance for a new product development, in addition, it can give to the professional faculty of the college the chances to contribute to advancement of design industry of the nation. To accomplish the need and purpose of this research, the design development of unified computer desks was carried out with the introduction of life-long Universal design concept named ‘Design For All.’ The theoretical background of this study researched all the literature on the terms definition of a computer desk, the concept and definition of Universal design and design support program in collaboration with industry and performed data analyses for a product development through an analysis of domestic products and a benchmarking of foreign products. On the basis of these theoretical background and analysis results, this research brought out a new product through designing processes and the information of this production could be utilized via the feedback of a new product. That is, this research was done for a practical use.

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A strategy for effectively applying a control flow obfuscation to programs (제어 흐름 난독화를 효과적으로 수행하기 위한 전략)

  • Kim, Jung-Il;Lee, Eun-Joo
    • Journal of the Korea Society of Computer and Information
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    • v.16 no.6
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    • pp.41-50
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    • 2011
  • Code obfuscation has been proposed to protect codes in a program from malicious software reverse engineering. It converts a program into an equivalent one that is more difficult to understand the program. Code obfuscation has been classified into various obfuscation technique such as layout, data, control, by obfuscating goals. In those obfuscation techniques, control obfuscation is intended to complicate the control flow in a program to protect abstract information of control flow. For protecting control flow in a program, various control obfuscation transformation techniques have been proposed. However, strategies for effectively applying a control flow obfuscation to program have not been proposed yet. In this paper, we proposed a obfuscation strategy that effectively applies a control flow obfuscation transformation to a program. We conducted experiment to show that the proposed obfuscation strategy is useful for applying a control flow transformation to a program.

A Study on the Development of a Computer-Assisted Program for Elementary School Foodservice(I)-Based on Foodservice Management- (초등학교 급식운영을 위한 컴퓨터 프로그램 개발에 관한 연구(I)-급식관리를 중심으로-)

  • 허은실;이경혜;이경화
    • Korean Journal of Community Nutrition
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    • v.5 no.2
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    • pp.208-216
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    • 2000
  • This study is a part of a software program which was developed for efficient foodservice management of elementary school foodservice. The foodservice management system consists of general information, manu planning, inventory management, and printing of results. Advantages of software programs developed in this study, compared with previous elementary school foodservice programs are as follows. 1) This program can be used to foodservice and nutrition management at the same time. 2) The screen is designed as a homepage for convenience. 3) This program is useful in cycle menu planning. 4) Seasonal menu could be reflected in menu. 5) This program has the results printing function. 6) Data can be revisable. 7) This program can be used to middle and high school.

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A Computer Program for 2-D Fluid-Structure-Soil Interaction Analysis (2차원 유체- 구조물-지반 상호작용해석 전산프로그램)

  • 김재민
    • Proceedings of the Earthquake Engineering Society of Korea Conference
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    • 2000.04a
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    • pp.427-434
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    • 2000
  • This paper presents a computer program for a 2-D fluid-structure-soil interaction analysis. With this computer program the fluid can be modeled by a spurious free 4-node displacement-based fluid element which uses rotational penalty and mass projection technique in conjunction with the one point reduced integration scheme to remove the spurious zero energy modes. The structure and near field soil are discretized by the standard finite elements while the unbounded far field soil are discretized by the standard finite elements while the unbounded far field soil is represented by the frequency dependent dynamic infinite elements. Sine this method models directly the fluid-structure-soil system it can be applied to the dynamci analysis of 2-D liquid storage structure with complex geometry. For the purpose of verification dynamic analyses for tanks on a rigid foundation and on compliant embankment are carried out. Comparison of the present results with those by ANSYS program shows good agreement.

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Development of a Program for the Analysis of Management Cost for the Entrusted Farming Company (위탁영농회사의 이용비용분석 프로그램 개발)

  • 황종상;장동일
    • Journal of Biosystems Engineering
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    • v.22 no.3
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    • pp.351-362
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    • 1997
  • This study has been performed to develop a program which can help the management of the entrusted farming company(EFC). An algorithm for machinery cost estimation and computer programs were developed and those were tested with sample data of EFC for the fm size of 50 ha. The results of the test showed for the farm size of 50ha that tillage cost was 18, 785 thousand won ; 23, 441 thousand won for the transplanting, 24, 904 thousand won for the combining, and 4, 024 thousand won for drying. An algorithm for the critical entrusted In analysis and a computer program were developed and those were tested with data estimated. The results showed that tillage fee was 376 thousand won per ha, 496 thousand won for transplanting 495 thousand won for combining and, 32, 480 won per ton for drying. The algorithms and a computer program were developed for the analysis of the critical optimum working area when the entrusted working fee was provided.

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Classification of TV Program Scenes Based on Audio Information

  • Lee, Kang-Kyu;Yoon, Won-Jung;Park, Kyu-Sik
    • The Journal of the Acoustical Society of Korea
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    • v.23 no.3E
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    • pp.91-97
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    • 2004
  • In this paper, we propose a classification system of TV program scenes based on audio information. The system classifies the video scene into six categories of commercials, basketball games, football games, news reports, weather forecasts and music videos. Two type of audio feature set are extracted from each audio frame-timbral features and coefficient domain features which result in 58-dimensional feature vector. In order to reduce the computational complexity of the system, 58-dimensional feature set is further optimized to yield l0-dimensional features through Sequential Forward Selection (SFS) method. This down-sized feature set is finally used to train and classify the given TV program scenes using κ -NN, Gaussian pattern matching algorithm. The classification result of 91.6% reported here shows the promising performance of the video scene classification based on the audio information. Finally, the system stability problem corresponding to different query length is investigated.

Modeling and Optimization of Rice Drying and Storage System in Korea(I) -Layout and Design of Model System- (한국에 있어서 미곡(米穀)의 건조(乾燥) 및 저장(貯藏)을 위한 시스템의 모델 개발 및 적정규모 선정에 관한 연구(I) -모델 시스템의 Layout 및 설계-)

  • Park, Kyung-Kyoo
    • Journal of Biosystems Engineering
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    • v.11 no.2
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    • pp.66-75
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    • 1986
  • In order to improve the traditional post harvest system in Korea, a model for mechanized grain drying and storage facilities was developed. Also, a computer program for the model system was developed. For the study, flat type steel bin and circulation type dryer were selected for the model and Fortran language was used for the computer program. This program was tested by using various practical data. The following results were obtained from the study: 1. The general model developed can be used for designing a rough rice drying and storage facility within the range from 100 ton to 1000 ton capacity. 2. Major output of the computer program for designing a model system were as follow; a. The dimension of the plant. b. The storage bin size, dryer number and dryer size. c. The dimension of individual equipment and its required HP. d. Capital requirement and operating cost of the model system.

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