• Title/Summary/Keyword: Design-By-Contract

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Research Developing safety software with Design by Contract Method and Secure Coding (Design by Contract 기법과 시큐어 코딩을 통한 안전한 소프트웨어 개발 연구)

  • Oh, Joon-Seok;Hwang, Dae Yon;Choi, Jin-Young
    • Proceedings of the Korea Information Processing Society Conference
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    • 2009.11a
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    • pp.855-856
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    • 2009
  • 소프트웨어의 크기가 대형화되고 복잡화됨에 따라 소프트웨어의 기능성 오류 및 취약점을 개발 후 테스팅에 의해 찾는 비용이 매우 커지고 있다. 또한 테스트에 의한 방법을 통해 내재된 모든 오류나 취약점을 찾는 것은 거의 불가능하다고 인식되고 있다. 이러한 이유로 소프트웨어 개발에서 오류 및 취약성을 제거하고자 하는 노력이 증대되고 있다. 본 논문에서는 오류를 줄이고자 하는 기법중 하나인 Design by Contract와 취약성을 줄이고자 하는 시큐어 코딩을 소개하고, 이 두 가지 기법을 접목하여 오류가 없는 안전한 소프트웨어를 개발하는 방법을 소개한다.

How Employee Personality Traits Affect Psychological Contract Breach: The Moderating Effect of Guanxi (근로자의 성격 특성이 심리적 계약 위반에 미치는 영향: ?시의 조절효과를 중심으로)

  • Kwon, In-Su;Kim, Sang-Joon;Lee, Ju-Il
    • Asia-Pacific Journal of Business
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    • v.11 no.4
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    • pp.149-165
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    • 2020
  • Purpose - This study investigates how employee personality traits affect psychological contract breach. Also, our study examines how Guanxi, a unique socio-cultural characteristic of China, moderates the relationship between personality traits and psychological contract breach. Design/methodology/approach - To test our ideas, we constructed a survey questionnaire based on the literatures on personality traits, Guanxi, and psychological breach. The questionnaires were distributed to Chinese employees, and then we conducted a regression analysis using 378 questionnaires. Findings - We found that neuroticism is positively related to perceived psychological contract breach. We also identified support for the prediction that the positive link between neuroticism and psychological contract breach becomes weaker when employees' awareness of Guanxi is high. Research implications or Originality - This study provides several theoretical and practical implications. First, this study elaborates the personality traits-psychological contract breach relationship by incorporating Guanxi, a critical contingency factor of China. Second, given that the relationship between neuroticism and psychological contract breach can be affected by employees' perceptions of Guanxi, managers should administer Guanxi to function as a lubricant within the organization.

A Variability Design Technique based on Component Architecture for Dynamic Component Integration (컴포넌트 아키텍쳐 기반의 동적 컴포넌트 조합을 위한 가변성 설계 기법)

  • Kim Chul Jin;Cho Eun Sook
    • Journal of Internet Computing and Services
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    • v.6 no.2
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    • pp.13-24
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    • 2005
  • Software development by component integration is the mainstream for time-to-market and is the solution for overcoming the short lifecycle of software. Therefore, the effective techniques for component integration have been working. However, the systematic and practical technique has not been proposed. One of main issues for component integration is how to specify integration and the component architecture for operating the specification, in this paper, we propose a workflow variability design technique for component integration, This technique focuses on designing to a connection contract based on the component architecture. The connection contract is designed to use the provided interface of component and the architecture can assemble and customize components by the connection contract dynamically.

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Research on Establishment of Contract-Based Department and Its Curriculum Development in Work-Study Parallel Program (일학습병행제 계약학과 신설에 따른 교과과정 개발 연구)

  • Park, Dongkyou;Choi, Hwan Young
    • Journal of Practical Engineering Education
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    • v.14 no.2
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    • pp.377-385
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    • 2022
  • As a kind of industry-university cooperation, the contract-based department for nurturing the employers that meets the needs of industrial society has started for about 20 years. In particular, interest in contract departments as part of the SMEs' human resource development support is increasing with the newly starting government, so it is expecting that the number of new contract departments will increase for the time being. The purpose of this study is to identify the characteristics of each contract department according to the learner type and contract method, and to suggest procedures and considerations for the establishment of re-education-type and third party contract-type contract departments suitable for SMEs. In particular, the authors would like to present the case of K University for how to design the curriculum to create a virtuous cycle by harmoniously reflecting the position of the operating institution as a supplier and the requirements of many companies as consumers.

Identification of Contractual Risk Factors for Application in the Overseas Construction Projects based on FIDIC Red Book 1999 Edition (해외건설공사관련 계약적 리스크 인자에 대한 연구 - FIDIC Red Book 1999년판 기준 -)

  • Hyun, Hak-Bong;Park, Hyung-Keun
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.36 no.6
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    • pp.1153-1160
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    • 2016
  • There have been many studies on the subject of risks in the Construction Industry and many useful results have been produced. However, risk studies on the conditions of contract, which is the most critical contract documents, has not been tried despite of its contractual function in the overseas projects. In this study, various contractual risks are identified for proper and reasonable evaluation of the contractual risks possibly encountered in the Tender and/or Contract stages of the Projects. For development of study, FIDIC Red Book 1999 Edition which is world widely recognised as a standard conditions of contract prepared for the projects designed by the Employer. Contractual risks are divided into three levels and applicable clauses are assigned to each appropriate risk factors. And table of major contractual risk factors are made using the classified levels of each factors with evaluation criteria as a result of this study. As this study is made only for the conditions of contract which is prepared for the construction contracts designed by the Employer, further studies for other types of contracts such as Design-Build (FIDIC Yellow Book), EPC/Turnkey (FIDIC Silver Book) and recently developed Design, Build and Operate type of contract (FIDIC Gold Book) are required to cover various types of projects executed in the world construction markets.

A Study on Buyer's Obligation in Relation to the Letter of Credit in a Sales Contract

  • Eun-Hee JANG;Joon-Pyo LEE;Ki-Moon HAN
    • Journal of Distribution Science
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    • v.21 no.9
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    • pp.115-121
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    • 2023
  • Purpose: This study aimed to deal with disputes between the seller and the buyer in connection with the Letter of Credit (LC) in a sales contract. The Contracts for the International Sale of Goods (CISG) provides the rules on the fundamental breaches which can lead to termination of the sales contract but the CISG is not enough to govern issues arising from the LC disputes when the sales contract is not clear about the payment terms. This paper tried to find some solutions to the disputes by considering international rules, such as the Principles of European Contract Law (PECL). Research design, data and methodology: The methodology applied in this study was an analysis of some court decisions and extended literature review. Results: The study revealed that in contracts for the sale of international goods, the buyer was obliged to open an LC as manner of payment. If the buyer failed to open an LC or amend the terms of the LC, the seller could avoid the contract because this could deprive the seller's expected interest. Conclusions: Few studies in Korea have been comprehensively analyzed in terms of the obligations of regarding the LC with respect to the CISG in court cases. This study suggests safeguarding the buyer and seller when the LC is considered absolute or conditional.

Preliminary Study on the Factors Analysis of Change Order-Claim in Design-Build Project (설계시공일괄입찰공사의 설계변경 클레임요인 분석에 관한 기초 연구)

  • Ryu, Hyeok-Jun;Park, Byung-Ju;Yoo, Seung-Kyu;Kim, Ju-Hyung;Kim, Jae-Jun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2012.05a
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    • pp.129-130
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    • 2012
  • Although the order of Design-Build is being expanded by increasing construction scale and demanding hybrid function, the suitable regulation of the contracts is not settled. Design-Build is way by government because there are big construction of much government leading in contract relation high position occupy. So, case that prebendary's claim institution develops by litigation is very rare. But, recently Design-Build is magnified. So, these dispute factors is becoming visualization gradually. The contract system is needed to be consistent by international standard to deal with the problem. This study suggests the useful solutions in detail concerned with the main factor of change order claim by each Design-Build phases through practical sorting and analysis of the causes of Change Order-Claim.

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An Analysis of Delivery/Transport Documents Content in Relation to the Contract of Carriage under Incoterms 2020 Rules

  • Jeon, Soon-Hwan
    • Journal of Korea Trade
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    • v.25 no.1
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    • pp.203-219
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    • 2021
  • Purpose - The purpose of this study is to review and analyzes the contract of carriage and delivery/transport document in light of the major changes made to the Incoterms® 2020 rules forced into effect on January 1st, 2020. Design/methodology - This study analyzed responsibility for the loading and unloading of goods under the contract of carriage in Incoterms 2020® rules forced into effect by the ICC from January 1, 2020, and what document must be presented as evidence of delivery by the seller. Findings - A review revealed that in Rule C, the costs of unloading at the place of destination are determined by the terms of the contract of carriage, and in the DAP and DDP rules, if the seller bears the unloading costs, such unloading costs cannot be recovered from the buyer. To settle this issue, the seller needs to make a contract of carriage by sea with the carrier on FI terms. Furthermore, in the case of containerized goods that the FCA should be used, FOB was misused because the seller could not present an on-board bill of lading in the L/C transaction. However, it was confirmed that in FCA, the parties can use an optional mechanism to issue an on-board bill of lading. Originality/value - Incoterms 2020® rules are still widely used in international trade by parties to contract sales around the world, just like Incoterms 2010® rules. This study attempts to reduce or eliminate disputes that may arise from interpretative misunderstandings between the parties in the contract of sales concluded by the seller and the buyer.

Legal Bases for the Interpretation of Contract Terms under the UNIDROIT Principles of International Commercial Contracts

  • Kim, Bong-Chul;Kim, Ho;Shim, Chong-Seok
    • Journal of Korea Trade
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    • v.24 no.1
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    • pp.113-130
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    • 2020
  • Purpose - This paper examines the legal standards for the interpretation of contract terms in the UNIDROIT Principles of International Commercial Contracts (PICC) and the cases thereunder in order to provide academic implication to promoting an appropriate understanding of this topic in practical business. Design/methodology - This article uses the literature research and case study under the PICC. Findings - the contract terms shall be interpreted according to the common intention of the parties. If such an intention cannot be established, the contract shall be interpreted according to the meaning that reasonable persons of the same kind as the parties would give to it in the same circumstances. The statements and other conduct of a party shall be interpreted according to that party's intention if the other party knew or could not have been unaware of that intention. If not, the reasonable person standard will apply. In applying above articles, all relevant circumstances including the conduct of the parties, practices and usages shall be considered. Terms and expressions shall be interpreted in the light of the whole contract or statement in which they appear and contract terms shall be interpreted so as to give effect to all the terms rather than to deprive some of them of effect. Where contract terms supplied by one party are unclear, contra proferentem rule applies. Where there is discrepancy between several equally authoritative versions of a contract, a preference is given to the interpretation according to the version originally drawn up. Where the parties to a contract have not agreed regarding an important term for their rights and duties, a term which is appropriate in the circumstances shall be supplied. Originality/value - This article examines various cases regarding the topic that were determined under the PICC. By finding legal standards and rulings of relevant cases, this article will help readers in practical business to enhance the ability to apply the provisions to their contracts.

An Evaluation of Contract Foodservice's Web sites by Importance and Performance Analysis - For Students Majoring in Food & Nutrition - (위탁 급식 업체 웹사이트 이용 실태 및 중요도.수행도 분석 -식품영양학전공 학생을 중심으로-)

  • Park, Sang-Hyun;Jung, Hyeon-A;Joo, Na-Mi
    • The Korean Journal of Food And Nutrition
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    • v.20 no.4
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    • pp.516-524
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    • 2007
  • This study was conducted to evaluate contract foodservice's websites. The survey sample consisted of students majoring in food and nutrition having good knowledge of foodservice. The questionnaire requested information related to demographics, internet usage, contract foodservice company websites, and the evaluation of the websites. The data were analyzed using SPSS for windows(version 12.0). The results are summarized as follows. From the results of the factor analysis in evaluating the contract foodservice's websites, 7 factors were generated and were defined as technology & interactivity, customer service, interface, design & convenience, contents, communication, and offering of information. Of these, technology & interactivity(p<0.05), customer service(p<0.01), interface(p<0.05), design & convenience(p<0.001), content(p<0.01), communication(p<0.01), and offering of information(p<0.01) had a significant effects in terms of the on satisfaction with a website. Since the beta of the "design & convenience" factor(0.319) was the largest, it had the greatest effect on satisfaction. In the importance performance analysis, the respondents showed high recognition on the importance, but low recognition on the performance, of aspects such as menu composition, attraction of the website, offering a FAQ section, and the operation of Q&A. Also, the importance score for 'offered relevant websites' was significantly higher than the performance score. Therefore, contract foodservice companies should take into account these aspects for improving their websites.