• Title/Summary/Keyword: open-source software

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A Study on Sustaining Knowledge Contribution Intention of Participants in the Open Source Software Development Communities (오픈소스 개발 커뮤니티 참여자들의 지속적 지식기여 의도에 관한 연구)

  • Jin Oh Ju;Kyung Tae Hwang
    • Information Systems Review
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    • v.18 no.3
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    • pp.111-135
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    • 2016
  • The major characteristic of open source software (OSS) is innovativeness. Innovativeness stems from the process of sharing and solving technical problems. This study analyzes the impact of voluntary participation and collaboration of OSS developers on sustained participation in the community based on organizational citizenship behavior and social capital theories. Based on Bolino et al. (2002) and Wasko and Faraj (2005), a research model and hypotheses are developed. A total of 152 OSS developers participated in the survey. The hypotheses are tested by LISREL modeling. The results of analysis show that royalty, social participation, and advocacy participation enhance or positively influence social capital. In addition, reciprocity and shared vision reinforce intention of sustained knowledge contribution. However, the result shows a statistically insignificant relationship between social participation and shared vision and between cohesiveness and intention of sustained knowledge contribution.

Case Study on Software Education using Social Coding Sites (소셜 코딩 사이트를 활용한 소프트웨어 교육 사례 연구)

  • Kang, Hwan-Soo;Cho, Jin-Hyung;Kim, Hee-Chern
    • Journal of Digital Convergence
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    • v.15 no.5
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    • pp.37-48
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    • 2017
  • Recently, the importance of software education is growing because computational thinking of software education is recognized as a key means of future economic development. Also human resources who will lead the 4th industrial revolution need convergence and creativity, computational thinking based on critical thinking, communication, and collaborative learning is known to be effective in creativity education. Software education is also a time needed to reflect social issues such as collaboration with developers sharing interests and open source development methods. Github is a leading social coding site that facilitates collaborative work among developers and supports community activities in open software development. In this study, we apply operational cases of basic learning of social coding sites, learning for storage server with sources and outputs of lectures, and open collaborative learning by using Github. And we propose educational model consisted of four stages: Introduction to Github, Using Repository, Applying Social Coding, Making personal portfolio and Assessment. The proposal of this paper is very effective for software education by attracting interest and leading to pride in the student.

Development of Remote Control Module on a 3D Universe Visualization (3D 우주환경 가시화 도구 원격 제어 모듈 개발)

  • Han, Sang-Hyuck;Koo, Cheol-Hea;Lee, Hoon-Hee;Moon, Sung-Tae
    • Aerospace Engineering and Technology
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    • v.12 no.1
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    • pp.120-127
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    • 2013
  • Recently, In Aerospace area the interest of open source software is increasing. One of examples is celestia that is used for visualizing space environment with 3D. Celestia that is open source software has many advantages. First is very easy to use, second is that it can extend new features easily with script language. It is very useful to extend with other systems. But, celestia has a few of remote control features from remote site. In this paper I describe design and implementation of remote control module using UDP communication protocol between celestia and GenSim that is satellite simulation software developed by KARI and describe the problem and solution items are found during development duration.

Study on Use the Metaverse Platform in Fashion Design (패션디자인 분야의 메타버스 플랫폼 활용 연구)

  • Ryu, Kyoung ok
    • Journal of the Korea Fashion and Costume Design Association
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    • v.25 no.2
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    • pp.31-44
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    • 2023
  • Fashion design in the metaverse is not simply a 3D avatar or virtual fashion, it is an important clue for shopping trends, and the role of fashion design has grown even more because avatars and humans are identified and active. This study, I attempts to understand the metaverse platform accurately and find out the scope of fashion design within the metaverse platform. In addition, we want to provide basic data that can expand the field by using fashion design in various ways on the metabus platform. This study investigated and analyzed various metaverse fashion cases, articles, software, and methods used by metaverse fashion creators, and the results are as follows. First, the metaverse platform is a new level of virtual interaction where users and creators communicate through the convergence of augmented reality, lifelogging, mirror world, and virtual world. Second, most of the users of the metaverse platform are generation Z, and metaverse creators who make money by producing avatars or items, including fashion design, are emerging as a new job field. Third, many fashion brands created spaces on the Metaverse platform, collaborated with games, or opened fashion weeks for publicity, marketing, and sales. Fourth, as a 3D program for metaverse fashion creator activities, open-source software is easier and free of charge compared to programs for fashion design specialists, and most costumes can be reproduced, so it will be easier for fashion design majors to utilize.

Thrust and Flow Visualization according to Length of Condenser Section of Open Pulsating Heat Pipe (개방형 구조의 진동형 히트파이프의 응축부 길이에 따른 추력 및 유동 가시화)

  • Minjae Son;Jongwook Choi
    • Journal of the Korean Society of Visualization
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    • v.21 no.3
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    • pp.57-64
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    • 2023
  • An open pulsating heat pipe operates continuously by inflow and outflow fluids through an open-type condenser. The open pulsating heat pipe is a device capable of obtaining the thrust due to the variation of internal pressure during phase change. Therefore, the open pulsating heat pipe is a suitable device to move fluids if the heat source such as waste heat exists. Many numerical studies have not been sufficiently conducted on the open pulsating heat pipe. In this study, the numerical analysis of the open pulsating heat pipe is performed according to the length of the condenser section. The OpenFOAM software is used to obtain the thrust and the flow visualization for the open pulsating heat pipe.

Database Enhancement for Development of Open-pit Mine Monitoring System in Open Source Environments (오픈 소스 환경의 노천광산 모니터링시스템 개발을 위한 데이터베이스 고도화 방안)

  • Kim, Se-Yul;Yu, Ji-Ho;Yu, Young-Geol;Lee, Hyun-Jik
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.34 no.1
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    • pp.21-32
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    • 2016
  • Open-pit mines are the critical infrastructure for acquiring natural resources. Since it could be endangered by environmental and safety problems during operations, continuous monitoring is required for this type of mine. However, the domestic level management and accumulation of present state data of the topographical alteration are incurred by the development and restoration of open-pit mines relying on digital topographic maps and site surveys. Because of it, other than an expert cannot be viewed easily examines those changes information of open-pit mines in the domestic level. If the efficient management and public access of the open-pit mine is targeted, it is easy to build a web-based three-dimensional monitoring system, utilized in the space information software of open source. Therefore, we purposed on developing an open-pit mine monitoring system to support the development and restoration of the ecology-friendly environment, which could be easily monitored by the general public for those changes within terrain and environments due to operations of the mine.

A Study of protective measures of the source program for the development of the Internet of Things (IoT): Protection of the program as well as plagiarism research (사물인터넷(IoT)발전을 위한 소스프로그램 보호방안 연구: 프로그램의 보호와 유사표절 연구)

  • Lee, Jong-Sik
    • Journal of the Korea Convergence Society
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    • v.9 no.4
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    • pp.31-45
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    • 2018
  • Recent dramatical development of computer technology related to internet technology intensifies the dispute over software of computer or smart device. Research on software has been flourished with political issuing of fierce competition among nations for software development. Particularly industrial growth in ethernet based big data and IoT (Internet of Things) has promoted to build and develop open source programs based on java, xcode and C. On these circumstances, issue on software piracy has been confronted despite the basic security policy protecting intellectual property rights of software and thus it is of substantial importance to protect the rights of originality of source program license. However, the other issue on source technology protection of developer is the possibility of hindrance to advancement in industry and culture by developing programs. This study discuss the way of enhancing legal stability of IoT application program development and reinforcing precision in inspection of program plagiarism by analyzing the source programs with newly introducing text mining technique, thus suggests an alternative protective way of infringement of personal information due to duplicating program.

Detecting Inconsistent Code Identifiers (코드 비 일관적 식별자 검출 기법)

  • Lee, Sungnam;Kim, Suntae;Park, Sooyoung
    • KIPS Transactions on Software and Data Engineering
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    • v.2 no.5
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    • pp.319-328
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    • 2013
  • Software maintainers try to comprehend software source code by intensively using source code identifiers. Thus, use of inconsistent identifiers throughout entire source code causes to increase cost of software maintenance. Although participants can adopt peer reviews to handle this problem, it might be impossible to go through entire source code if the volume of code is huge. This paper introduces an approach to automatically detecting inconsistent identifiers of Java source code. This approach consists of tokenizing and POS tagging all identifiers in the source code, classifying syntactic and semantic similar terms, and finally detecting inconsistent identifiers by applying proposed rules. In addition, we have developed tool support, named CodeAmigo, to support the proposed approach. We applied it to two popular Java based open source projects in order to show feasibility of the approach by computing precision.

The COAPI Cats: The Current State of Open Access Repository Movement and Policy Documentations

  • Roy, Bijan K.;Biswas, Subal C.;Mukhopadhyay, Parthasarathi
    • International Journal of Knowledge Content Development & Technology
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    • v.6 no.1
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    • pp.69-84
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    • 2016
  • The paper investigates open access (OA) self archiving policies of different Open Access Repositories (OARs) of COAPI (Coalition of Open Access Policy Institutions) founder members as reported in June 2011 (i.e. a total of 22 members against a total of 46 COPAI members as reported by Open Biomed (http://openbiomed.info/2011/08/coapi-cats/). The paper consulted three databases (OpenDOAR, ROAR and ROARMAP) in order to evaluate twenty-two (22) COAPI-members OARs self archiving policy documentations and highlights of some progress on issues so far. After analyzing policy documentations, key findings have been highlighted and common practices have been suggested in line with global recommendations and best practice guidelines at national and international levels for strengthening national research systems. The paper has implications for administrators, funding agencies, policy makers and professional librarians in devising institute specific self archiving policies for their own organization.

Basic Elements and Implication of Software Metadata in the Intelligent Geospatial Web

  • Lee, Ki-Won
    • Korean Journal of Remote Sensing
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    • v.25 no.6
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    • pp.559-569
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    • 2009
  • During over decades, metadata on spatial data have been developed, and they have been widely applied at the national and international metadata standards such as file structure, format, and data model. However, in the web 2.0 paradigm toward user participation and openness, sources and contents of geospatial products are also diversified, not being limited to well-organized and structured data sets or databases. Especially, software products in both open source software and commercially packaged software are considered into important resources in the geospatial domain. But there are no reports or studies regarding software metadata from the side of software engineering or information technology, till now. The motivation of this study is based on practical needs to build search engine in the intelligent geospatial web. Brief review on current metadata standards is presented, and necessity for software metadata is discussed as well as related works. Basic elements, initially considered, of software metadata are presented. This work is the first attempt for software metadata, although it just covers geospatial software products. Further practical works to meet industrial demands need to actual applications of software metadata.