• Title/Summary/Keyword: Service conflict

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Reservation Conflict-Free MAC Design for Mobile Wireless USB Devices with Distributed MAC

  • Joo, Yang-Ick;Kwon, Moon Kyu
    • Journal of Korea Multimedia Society
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    • v.15 no.10
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    • pp.1212-1220
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    • 2012
  • In this paper, a collision-free resource reservation scheme for WUSB (Wireless Universal Serial Bus) networks with WiMedia D-MAC (Distributed Medium Access Control). Since distributed characteristic of the WiMedia D-MAC supporting DRP (Distributed Reservation Protocol) scheme may cause lots of conflicts, overall performances of the WUSB with WiMedia D-MAC can be deteriorated. In addition, when we consider multi-hop environment, "mobile" hidden node problem due to mobility of WUSB devices can be happened, and it is a critical problem to mobile WUSB devices transceiving real-time QoS (Quality of Service) traffic. To tackle the problem, we propose a new DRP reservation mechanism to prevent DRP conflicts for multi-hop mobility support in WUSB networks with WiMedia D-MAC and show its improved performance via simulation results.

Factors Influencing the Emotional Problems of Impoverished Children (빈곤아동의 정서문제에 영향을 미치는 요인)

  • Shin, In-Soon
    • Journal of the Korean Home Economics Association
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    • v.50 no.4
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    • pp.115-125
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    • 2012
  • The purpose of this study is to compare emotional problems, the related risk factors, and protective factors of impoverished children with those of enriched children in order to examine the effects of the related factors, and to suggest practical interventions and the functions of the social welfare service. Participants for this study were 458 students in the 4th, 5th and 6th grade of elementary school located in the Metropolitan area. The major findings were as follows: First, impoverished children had more emotional problems compared with enriched children. Second, poverty was found to influence the emotional problems of children. Third, concerning the relation between a family's poverty and the emotional problems of children, the finding is that eating habits, parents' health problems and marital conflict are mediating-factors.

A Study on The Performance Analysis of Partition Multistage Interconnection Network (분할된 다단상호접속망의 성능 분석에 관한 연구)

  • 김영선;최진규
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.14 no.6
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    • pp.675-685
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    • 1989
  • The interconnection network is an integral part of parallel processing system. The multistage interconnection networks(MINs) have been the objects of intense research in recent years. In this paper, simulation techniques for circuit switchign MIN are extended to allow the performance evaluation of partitioned ADM/IADM network. Based on simulation data, the relationship between the netwrok performance, the partitioning scheme employed, and the conflict resolution strategies used within the network is enumerated. It is shown that IADM network coupled with the use of the hold strategy produces the best network operation in terms of RST (Request Service Time).

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The Effects of Job Demands and Job Resources on Job Burnout - A Comparison of office workers with service employees. (직무요구와 직무자원이 직무탈진에 미치는 영향 - 일반 사무직과 서비스직의 비교)

  • Yoon, Jang-Won
    • Journal of Applied Reliability
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    • v.6 no.4
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    • pp.255-274
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    • 2006
  • Recently firms become largely changed because of rapid technological innovation and serious global competition. It induces job stress of workers and finally leads to job burnout. This study aims to find the effects of job demands and job resources on job burnout. Job demands contains role ambiguity, role conflict, role overload and job characteristics. Job resources contains job control and feedback, involvement in decision making, learning opportunity and social support. The result reveals that job demands raises job burnout and job resources decreases job burnout. And it reveals that the effects of job demands and job resources on job burnout differs slightly according to job categories.

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Analytical strategies for floating solar PV policy development in South Korea

  • Lee, Youhyun;Kim, Kyoungmin
    • Membrane and Water Treatment
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    • v.13 no.1
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    • pp.7-14
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    • 2022
  • Using the SWOT-AHP method, this study identifies the priorities in the development of floating solar photovoltaics (PV) and suggests possible strategies. Our study analyzed the priorities in planning future solar PV strategies based on the opinions of 27 experts. Our results indicate that the government should expand support while emphasizing the benefit of floating solar PV in that it causes less environmental damage compared to onshore solar PV. In addition, the government should properly deal with the public-private conflict regarding the installation of floating solar PV. Floating solar PV itself has not reached a mature technological and institutional stage, but could be an option or alternative for saturated onshore solar PV facilities in Korea.

A Study on the Problems and Improvements of the Disabled People's Activities Support System (장애인활동지원제도 문제점 및 개선방안에 관한 연구)

  • Cho, Woo-Hong
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2020.07a
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    • pp.175-176
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    • 2020
  • 본 연구의 목적은 장애인활동지원제도의 현황 및 문제점을 살펴보고 정책적 개선 방안을 제안하는데 목적을 두고자 하였다. 이를 위해 보건복지부 통계자료를 활용하여 전국의 장애인활동지원 서비스기관들의 현황과 서비스에서 나타나는 문제점들에 대해 파악하였다. 정책적 개선방안으로 장애인활동지원 기관정보 조회서비스의 표준화된 제공, 장애인 본인에게 적합한 지원 기관이 선정 될 수 있도록 정보 제공, 서비스 만족 향상에 이용자의 특성과 욕구를 신속하게 파악, 개별 서비스의 특성상 활동 과정에서 발생할 수 있는 갈등관리 대응, 개선이 필요기관 전문가의 지도 및 컨설팅 제공, 우수기관 사례관리를 통해서 노하우 공유, 회계프로그램을 효율적으로 수행을 위한 전문가 파견 및 지원을 통하여 서비스가 개선 될 수 있도록 정책적 제안을 하고자 한다.

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The Effects of Public Library Service Using Book-Trailer on User Behavioral Reaction (공공도서관 북트레일러 서비스가 이용자 행동반응정도에 미치는 영향)

  • Hong, Myoung-A;Yi, Yong Jeong;Jeong, Tae-Seon
    • Journal of the Korean Society for Library and Information Science
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    • v.54 no.4
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    • pp.83-105
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    • 2020
  • The study explored the extent of the effect of content book trailer services among the specialized services of the library using the latest technology. The AIDMA&AISAS model was employed to measure the seven reactions of user behavior: Attention, Interest, Search, Desire, Memory, Action, and Share. A total of 287 responses were analyzed by conducting surveys with users who had experienced book trailer services at 13 public libraries located in Incheon. The study found that there were significant differences in user behavioral reactions in all of the content genre, including message, conflict, and character, and in particular, the character genre had the highest effects, followed by conflict and message genres. However, the post-hoc test indicated that there was no significant difference between the genres of conflict and character in terms of interest, search, and user satisfaction. The present study suggests theoretical implications by assessing and confirming the effects of book trailer services of the content genre on the reactions of user behavior compared with previous studies that measured the effects of the book trailer services of the form genre, and further practical implications for effective book trailer services.

Phenomenological Study about Bodyguards' Ethical Dilemmas (신변보호요원의 윤리적 딜레마에 대한 현상학적 연구)

  • Park, Young-Man
    • Korean Security Journal
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    • no.46
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    • pp.31-62
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    • 2016
  • This study is about the phenomenological study of bodyguards' ethical dilemmas. Through this study, the meaning and essence of bodyguards' ethical dilemmas will be analyzed based on empirical facts. The purpose of this study is to provide basic information of the prevention and solutions for their ethical dilemmas and to understand and research the process and the essentials of them. To achieve this goal of the study, seven bodyguards who experienced ethical dilemmas working more than five years are selected as objects of the study. Colaizzi's six stage method are applied into this study so information gathered through interviews and questionnaire from 0ctober 1st, 2015 to November 20th, 2015 is analyzed. From the process of this research, these following conclusions are drawn considering validity of this study and ethical things. As a result, bodyguards' ethical dilemmas are divided into six centric meanings and 20 thematic statement. First, the centric meaning is conflict factors and the themes are discordance of pre-practice, regulatory or procedure problems, communication about sturcture and job and service disagreement. Second, the centric meaning is limited professional roles and the themes are institutional custom, decision making, priorities. Third, the centric meaning is difficulties of circumstantial judgement at work places and the themes are ambiguity of decision, conflict of knowledge, experience and opinion. Forth, the centric meaning is reasonable self-defense and the themes are lack of responsibility, rationalization, intentional negligence and sense of shame. Fifth, the centric meaning is difficulties of social network and the themes are the relationships between subordinates and superiors, the role of a moderator, uncooperative work and unpleasant sayings and doings. Sixth, the centric meaning is keeping secrets and the themes are burried for and illegal practice.

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The Conflict over the Separation of Prescribing and Dispensing Practice (SPDP) in Korea: A Bargaining Perspective (의약분업을 둘러싼 갈등 : 협상론의 관점에서)

  • Lee, Kyung-Won;Kim, Joung-Hwa;T. K. Ahn
    • Health Policy and Management
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    • v.12 no.4
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    • pp.91-113
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    • 2002
  • We report and analyze the Korean physicians' recent general strike over the implementation of the Separation of Prescribing and Dispensing Practice (SPDP) in which more than 18,000 private clinics and 280 hospitals participated. Utilizing game-theoretic models of bargaining we explain why the Korean physicians were so successful in organizing intense collective action against the government and securing very favorable policy outcomes. In particular, we highlight the role of distributional conflict among social actors in shaping the details of institutional reform. The introduction of the SPDP was a necessary first step in the overall reform of health care system in Korea. However, the SPDP was perceived to be a serious threat to the economic viability of their profession by the vast majority of Korean physicians who had long been relied on the profits from selling medicines to compensate for the loss of income due to the low service fee under the previous health care system. The strong political coalition among heterogeneous physicians enabled them to organize an intense form of collective action, the general strike. Thus, physicians were successful not only in dragging the government to a bargaining table, but also winning in the bargaining and securing an outcome vastly favorable to them. On the other hand, the lack of an overall reform plan in the health care policy area, especially the finance of the National Health Insurance and the need for maintaining an image as a successful reform initiator, motivated the government to reach a quick resolution with the striking physicians.

Determination of Governing Law in International Commercial Arbitration (국제상사중재(國際商事仲裁)에서 준거법(準據法)의 결정(決定))

  • Oh, Won-Suk
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.29
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    • pp.39-61
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    • 2006
  • The governing law in international commercial arbitration may be divided into governing arbitration law and governing substantive law. The former governs the parties' arbitration agreement and the conduct of any subsequent arbitration. But the later governs the parties' substantive rights and obligations, which means the law that governs contract formation and performance, and the law to be applied by the arbitrator to the merits of the dispute. The purpose of this paper is to examine how to determine the substantive governing law when there is express choice or implied choice between parties. Moreover this author checked any restrictions on party autonomy and also any possibilities to deviate from the governing law. In case of express choice the sources of the law or rules of law might be the national law of one of the parties, the neutral law, the general principles of law or lex mercatoria according to the arbitration law selected by the arbitral tribunal. Some arbitration laws or rules empower the arbitrator to decide the case ex aequo et bono or to act as amiable compositions. If the governing law could be determined expressly or impliedly by the parties, the arbitral tribunal would make a selection. In this case the criteria for selecting a governing law are not exactly same from country to country. But failing any indication by the parties as to governing law, the arbitral tribunal should apply the rules of law, the law or the law under the rule of conflict that the arbitrators consider applicable, according to the governing arbitration law. Among the connecting factors offered by the conflict rules, (which means the factors that the arbitrators consider applicable), some legal systems give precedence to the formation of the contract, other system to the place of performance of the contract, and others to the closest connection or centre of gravity. But the Rome Convention, which unified the conflict rules of the contracting states, gives precedence to the law of the domicile of the party which has to effect the performance which is characteristic of the contract. Finally this author suggested the Choice of Law Clause which covers governing substantive law and governing arbitration law at the same time. Thus the UNIDROIT Principles as well as any national law may be included as a governing law in international arbitration. So when we make sales or service contract, we should take into consideration of the UNIDROIT Principles as a governing law or a supplement to the governing law.

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