• Title/Summary/Keyword: ITS Services

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The Efficiency of Cooperatives : a Case of National Federation of Fisheries Cooperatives (협동조합의 효율성 : 수협중앙회의 사례)

  • 정상진
    • The Journal of Fisheries Business Administration
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    • v.26 no.2
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    • pp.133-146
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    • 1995
  • WTO system has just begun and the development for fishing industry is being carried out. The task of National Federation of Fisheries Cooperatives(NFFC ) is not only to support producers' competitive edge, but also to realize the efficiency embodied in the businesses of NFFC itself. Then it can continue to compete other firms and offer the comprehensive services only when it achieves its efficiency. The efficiency of NFFC is the economies of scale and scope. NFFC should achieve its scale and scope economies to be efficient. NFFC needs to expand its size in fish distribution and banking business to have scale economies. Also, the communication and coordination systems among member-supporting, fish distribution, and banking business need to be strengthened to get its scope economies. It is interesting theoretically and in policy making to test the hypotheses that cooperatives are capable of offering the comprehensive services such as distribution, credit, and insurance to the members. It is meaningful to their development for agricultural and small businesses cooperatives as well as fisheries cooperatives to survive the fierce competition under WTO system. National Federation of Agricultural Cooperatives(NFAC) is much greater in business size than NFFC. The estimation and test in the multiproduct cost function of NFAC will show interesting results.

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Does the Understanding of Core Competencies Matter to IT Outsourcing Performance? (기업의 핵심역량이 IT 아웃소싱 성과에 직접적인 관련이 있을 것인가?)

  • Kim, Young-Jin;Nam, Ki-Chan;Koo, Chul-Mo
    • Journal of the Korean Operations Research and Management Science Society
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    • v.32 no.3
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    • pp.97-114
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    • 2007
  • IT outsourcing providers has been expanded from a single functional system to the entire IT service to gain sustainable competitiveness. This new trend of IT outsourcing need outsourcing management capability based on a firm's core capacity. Hiring external IT service providers to manage part or all of its information-related services helps a firm focus on its core business and provides better services to its clients, thus obtaining sustainable competitive advantage. This research investigates the major factors that determine the level of a particular firm's success at IT outsourcing. Based on process innovation and core-competency theories, we identify three significant components of a firm's IT outsourcing management method (ITOMM): level of core-competency-based management, maturity of outsourced tasks, and maturity of outsourcing management. Comprehensive data collection was conducted through an outsourcing association. The survey data were analyzed using a structural analysis method. Maturity of outsourced tasks and maturity of outsourcing management were found to affect project performance directly, while level of core-competency-based management only indirectly impacted project performance through its positive impact on the other two ITOMM components.

A Study of Collision Avoidance Algorithm Based on Multi-Beacon in the Vehicular Ad-hoc Network (VANET 환경에서 멀티 비콘을 적용한 충돌 회피 알고리즘에 관한 연구)

  • Kim, Jae-Wan;Eom, Doo-Seop
    • Journal of Information Technology Services
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    • v.11 no.4
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    • pp.195-213
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    • 2012
  • In ubiquitous environments, the Intelligent Transportation System (ITS) protocol is a typical service used to improve the quality of life for humans. The Vehicular Ad-hoc Network (VANET) protocol, a part of ITS, needs further study with regards to its support for high reliability, high speed mobility, data transmission efficiency, and so on. The IEEE 802.11 standard provides a high data rate channel, but it was designed for peer-to-peer network protocols. IEEE 802.11p also provides a high data rate channel, however, it only facilitates communication between roadside and on-board equipment. A VANET has characteristics that enable its topology to change rapidly; it can also be expanded to a multi-hop range network during communication. Therefore, the VANET protocol needs a way to infer the current topology information relating to VANET equipped vehicles. In this paper, we present the Multi-Beacon MAC Protocol, and propose a method to resolve the problem of beacon collisions in VANET through the use of this Multi-Beacon MAC protocol. Evaluation of the performance of Multi-Beacon MAC protocol by means of both mathematical analyses and simulation experiments indicate that the proposed method can effectively reduce beacon collisions and improve the throughput and the delay between vehicles in VANET systems.

Seoul PACT : Principles of Artificial Intelligence Ethics and its Application Example to Intelligent E-Government Service (인공지능 윤리 원칙 Seoul PACT를 적용한 지능형 전자정부 서비스 윤리 가이드라인)

  • Kim, Myuhng Joo
    • Journal of Information Technology Services
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    • v.18 no.3
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    • pp.117-128
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    • 2019
  • The remarkable achievements of the artificial intelligence in recent years are also raising awareness about its potential risks. Several governments and public organizations have been proposing the artificial intelligence ethics for sustainable development of artificial intelligence by minimizing potential risks. However, most existing proposals are focused on the developer-centered ethics, which is not sufficient for the comprehensive ethics required for ongoing intelligent information society. In addition, they have chosen a number of principles as the starting point of artificial intelligence ethics, so it is not easy to derive the guideline flexibly for a specific member reflecting its own situation. In this paper, we classify primitive members who need artificial intelligence ethics in intelligent information society into three : Developer, Supplier and User. We suggest a new artificial intelligence ethics, Seoul PACT, with minimal principles through publicness (P), accountability (A), controllability (C), and transparency (T). In addition, we provide 38 canonical guidelines based on these four principles, which are applicable to each primitive members. It is possible for a specific member to duplicate the roles of primitive members, so that the flexible derivation of the artificial intelligence ethics guidelines can be made according to the characteristics of the member reflecting its own situation. As an application example, in preparation for applying artificial intelligence to e-government service, we derive a full set of artificial intelligence ethics guideline from Seoul PACT, which can be adopted by the special member named Korean Government.

Pricing Strategy within the U.S. Streaming Services Market: A Focus on Netflix's Price Plans

  • Kweon, Heaji J;Kweon, Sang Hee
    • International Journal of Contents
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    • v.17 no.2
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    • pp.1-8
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    • 2021
  • Online streaming wars are intensifying. Netflix is known as the market leader in the streaming business. However, since 2019, Netflix has been losing subscribers in the United States and is at a turning point where it needs to reassess its current position in the market. While Netflix is losing dominance, rivals Amazon Prime and Hulu continue to gain market shares. Studies from Deloitte and PricewaterhouseCoopers indicated a new shift in the streaming landscape caused by the abundance of streaming options and rising subscription costs. Recent surveys showed that consumers are excited about new streaming services, such as Disney +. Nearly two-thirds of consumers intend to terminate or downgrade one or more of their current subscriptions to make room for a new service. Moreover, it seems that consumers want ad-supported options. In Deloitte's latest Digital Media Trends survey, 65% responded that they would watch ads to eliminate or reduce subscription costs. Seventy percent of Hulu's subscribers choose its lower-priced ad-supported plan. NBC recently launched its own streaming service, Peacock, with a free ad-supported option. This opposes Netflix's brand identity of "no ads" and premium differentiation. With increasing pressure from competition and the growing risk of subscriber loss, Netflix needs to diversify its price plans. The company could try implementing the lower-priced mobile-only plan they are currently testing or plan to test in other regions. Netflix should also consider features or benefits for loyal subscribers to maintain a stronger consumer base.

A robust execution scheme for Ethereum blockchain application services

  • Kwon, Min-Ho;Lee, Myung-Joon
    • Journal of the Korea Society of Computer and Information
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    • v.25 no.3
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    • pp.73-80
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    • 2020
  • In this paper, we propose a robust execution scheme for Ethereum blockchain application services which provide continuous services and support recovery even in the case of failures of those services. As of now, blockchain services are rapidly expanding to all industries and being combined with various infrastructure services of public institutions. But if these services fail in disastrous situations such as earthquakes, floods and terrors or various hacking attacks, the aftermath is very serious and its side effects are difficult to assess. To resolve this issue, we develop the service registry as a smart contract of the Ethereum blockchain, which provides useful information on the services to users even in disasters. With the help of the service registry, we also present a method of replicating services on the basis of the ETCD distributed storage system. The proposed scheme is confirmed by the test service developed by the proposed techniques.

A Study on the Trends and Characteristics of Mental Health Services in the Public Libraries of North America (북미 공공도서관계 정신건강 지원서비스의 경향과 특성)

  • Lee, Yeon-Ok
    • Journal of Korean Library and Information Science Society
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    • v.41 no.1
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    • pp.51-76
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    • 2010
  • This study discussed the trends and characteristics of mental health services in the public libraries of North America. To accomplish this, this study collected its data through literature surveys, observations and interviews with librarians within the Vancouver public library system. The results show that there were many cases in which patrons asked public libraries for information on their mental health problems and the public libraries helped the patrons cope with their problems. The public libraries' assistance programs for national tragedies and natural disasters were temporary services. On the other hand, public libraries were continuously advising and guiding patrons dealing with emotional and psychological problems through the readers' advisory and information services. Specifically, public libraries were actively assisting various sensitive issues that are generated in the development of children and youths(for example, adoption, divorce and separation, remarriage, family, friendship, disabilities, death, self-esteem, emotions, bulling, violence, abuse, suicide, illness, addiction, sexual health, youth pregnancy and so on). The key role of librarians under these circumstances was to guide and recommend appropriate books and professional institutions that help solve the problems.

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Descriptive epidemiology of nationwide spread of 2003 classical swine fever epidemic in Korea (2003년 한국의 돼지콜레라 전국적 확산에 대한 기술역학)

  • Park, Choi-Kyu;Lee, Eune-Sub;Yoon, Hachung;Wee, Sung-Hwan;Song, Jae-Young;Moon, Oun-Kyeong;Choi, Eun-Jin;Kim, Hyun-Soo;Lee, Joo-Ho;An, Su-Hwan
    • Korean Journal of Veterinary Research
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    • v.46 no.3
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    • pp.197-206
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    • 2006
  • In March 2003, classical swine fever (CSF) infection was reported in a piggery located at Iksan city, Jeollabuk-do in Korea. Subsequently, a total of 72 infected farms were confirmed between March and December, 2003. Based on epidemiological investigation of the earlier confirmed infected farms, the source of infection was shown to be from a breeding farm. Targeted surveillance of 82 piggeries that had acquired pigs from this breeding farm showed 44 piggeries were infected with CSF virus. CSF virus was introduced into this breeding farm by movement of selected breeder pigs from its 12 contracted farms which were located in areas that had been affected by CSF epidemic in late 2002. CSF had then spread through out the country mainly by direct transmission through the sale and movement of pigs from this breeding farm. Consequently, 47 (62%) among 72 CSF affected farms were associated, directly and indirectly, with this breeding farm. This study showed that inadequate control for breeding farms and transport restriction in CSF outbreak areas resulted in the nationwide spread of CSF and the failure of the eradication campaign that has been underway for several years by the Korean animal hygiene authority as well as the fanners. Improvements of control policy through further research of the 2003 CSF epidemic will be needed to reestablish the Korean CSF eradication program in the future.

A Study on Utilization of Drone for Public Sector by Analysis of Drone Industry (국내외 드론산업 동향 분석을 통한 공공분야에서의 드론 활용방안에 대한 연구)

  • Sim, Seungbae;Kwon, Hunyeong;Jung, Hosang
    • Journal of Information Technology Services
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    • v.15 no.4
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    • pp.25-39
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    • 2016
  • The drone is an unmanned aerial vehicle which has no human pilot. Drones can be classified into military drones, commercial drones, and personal drones by usage. Also, drones can be classified from large-sized to nano-sized drone by size and autonomous, remote controlled drone by control type. Especially, military drones can be classified into low-altitude drones, medium-altitude, and high-altitude drones by altitude. Recently, the drone industry is one of the fast growing industries in the world. As drone technologies have become more advanced and cost-effective, Korean government has set its goal to become a top-level country in drone business. However, the government's strict regulation for drone operations is one of the biggest hurdles for the development of the related technologies in Korea and other countries. For example, critical problems for drone delivery can be classified into technical issues and institutional issues. Technical issues include durability, conditional awareness, grasp and release mechanisms, collision avoidance systems, drone operating system. Institutional issues include pilot and operator licensing, privacy rules, noise guidelines, security rules, education for drone police. This study analyzes the trends of the drone industry from the viewpoint of technology and regulation. Also, we define the business areas of drone utilization. Especially, the drone business types or models for public sector are proposed. Drone services or functions promoting public interests need to be aligned with the business reference model of Korean government. To define ten types of drone uses for public sector, we combine the business types of government with the future uses of drones that are proposed by futurists and business analysts. Future uses of drones can be divided into three sectors or services. First, drone services for public or military sectors include early warning systems, emergency services, news reporting, police drones, library drones, healthcare drones, travel drones. Second, drone services for commercial or industrial services include parcel delivery drones, gaming drones, sporting drones, farming and agriculture drones, ranching drones, robotic arm drones. Third, drone services for household sector include smart home drones.

Breeding of a New Asiatic Lily 'Onnuri' for Cut and Pot Flower (절화 및 분화용 아시아틱 나리 '온누리' 육성)

  • Jin, Sung-Yong;Kim, Hee-Jun;Choi, So-Ra;Lee, Jin-Jae;Cho, Hong-Ki;Jang, Ik;Kim, Jeong-Man;Jeong, Jong-Seong
    • FLOWER RESEARCH JOURNAL
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    • v.18 no.3
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    • pp.207-210
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    • 2010
  • An Asiatic lily (Lilium spp.) cultivar 'Onnuri' for cut and pot flower was developed in 2006 at Jeollabukdo Agricultural Research & Extension Services, Iksan, Korea. The cross was made in 1999 between 'Avignon', orange colored, and 'Nove Cento', yellow colored. A line was preliminarily selected as 'A99-6-48' by reason of stable flower color and shape among germinated seedlings. It had been multiplicated through in vitro culture and then bulbed on field during 2002~2003. After characteristics were investigated from 2004 to 2005, finally it was named as an 'Onnuri' in 2006. Flower of 'Onnuri' belongs to orange-red group with its center shown orange group. Plant height is 92.8 cm, flower size is medium as 13.8 cm. Stigma color is red-brown and blooming direction is upward-facing. Flowering time is mid-June.