• Title/Summary/Keyword: digital resource

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Wind Farm Siting in Mountainous Terrain By Geomorphometric Characterization (지형형태 분류에 의한 산악지형 내 풍력단지 입지평가)

  • Kim, Hyun Goo;Hwang, Hyo Jung;Kang, Yong Heack;Yun, Chang Yeol;Jung, Bi Rin;Song, Kyu Bong
    • Journal of Korean Society for Geospatial Information Science
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    • v.22 no.4
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    • pp.13-19
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    • 2014
  • To develop a wind farm in a mountainous terrain like Korea, it is generally more advantageous to install wind turbines along a mountain ridge where has relatively better wind resource because that is open in all directions and free from shielding by the surrounding topography. In this study, the SRTM (Shuttle Radar Topography Mission) v4.1 3 arc-second resolution digital elevation database and the geomorphometric characterization software LandSerf v2.3 are used to extract ridge lines for assessing a wind farm siting in mountainous terrain. The effectiveness of wind farm siting along a ridge line is confirmed that the most of wind turbines in the Gangwon, Taegisan, and Maebongsan wind farms in Korea's mountainous terrain are placed along the primary and secondary ridge lines where wind resource is relatively outstanding.

Development of Management Information System of Rural Environmental Resources (농촌환경자원의 정보관리시스템 구축)

  • Rhee, Sang-Young;Kim, Sang-Bum
    • Journal of Korean Society of Rural Planning
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    • v.13 no.1 s.34
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    • pp.73-84
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    • 2007
  • The first theme of this study is to preserve and manage rural multi-functionality resource Information. This study is to suggest the method that can irradiate rural multi-functionality resource Information efficiently and constructively. GIS uses PDA and Tablet PC as an investigation tool and verifies the outcome of the development in the investigation system. This study enhanced the mobility function of PDA by installing recording system and camera to the PDA. Also, Using GPS has been ensured scientific precision and realism to the investigation. Direct input on spot can save time, cost and minimize human error by simplifying the investigation process. Database is composed of characters like scale, form, location, distance, resident's opinion and image of 37 resources. The survey system was applied in 170 villages and got a total of 12,270 resources data. Management system should be easy to input and output the surveyed information and to get reports in any kind of form ( i.e. final result can be produced as a map). By utilizing of the Rural Resource information system, the study made a simulation to compare the target areas before and after. Also, digitalized investigation system, minimized re-input and reprocessing of data and enabled to simplify and standardize the process than memorandum investigation. Data collected through digital system could offer people useful information by Web-GIS. It was need to specify practical way in decision-making and a way to measure the value of resources to align with the regional plan. Also, need to keep on developing statistical data and application program that can connect us to present the best solution to support regional planning. Therefore, quality of data is very important. Finally, it is very important to develop various programs to analyze space md rural resource by monitoring rural environment.

Elements for the Assessment of Collaborative Repositories Based on E-Metrics Measurement Standards (E-Metrics 측정지표에 기반한 협력형 레포지토리 평가요소 연구)

  • Chang, D.H.
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.20 no.4
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    • pp.159-172
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    • 2009
  • This paper strives to shed a light on current academic resource sharing initiatives, and seeks the measure for the cooperative information resource management. It first attempts to draw outcomes and suggestions on the basis of issues and implications identified through the analyses in the aspects of management, service, and infrastructure of academic resource sharing in other countries. For this job, research methods such as interviews and on/offline literature review are employed. Specific projects to be analyzed via literature and web site review, although not detailed in nature, are National Technical Information Service(NTIS) and The National Science Digital Library(NSDL) in the United States, Intute of United Kingdom, and Australian Research Repositories Online to the World(ARROW) of Australia. Next, the paper discusses such an issue as the orientation of national level academic resource sharing initiatives based on the comparison of characteristics of current academic resource sharing project. For this, a thorough comparison on background, outlines and characteristics of the projects and analysis on the specifics of each project were conducted as well.

A Proposal for Creating Task-Centric Application Profile: Utilization of Task Model for Suitable Selection and Combination of Metadata Schema Properties (메타데이터 스키마의 적절한 선택과 조합을 위해 태스크 모델을 활용한 업무중심의 어플리케이션 프로파일 모델 제안에 관한 연구)

  • Baek, Jae-Eun
    • Journal of Korean Library and Information Science Society
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    • v.49 no.3
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    • pp.407-428
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    • 2018
  • Metadata standard is very important element to describe a digital resource in the records lifecycle. Metadata standard is influenced by the purpose and content of tasks that are performed to a resource. But it does not reflect a task-centric viewpoint to cover the whole records-lifecycle because metadata is defined and designed from a resource-centric viewpoint. In other words, to cover the whole records-lifecycle using metadata, it is necessary to properly select and combine metadata property from a task-centric viewpoint. Therefore, we proposed a task-centric metadata application profile that can combine and select appropriate metadata properties according to requirements and tasks performed on resource.

Call Admission Control Using Adaptive-MMOSPRED for Resource Prediction in Wireless Networks (무선망의 자원예측을 위한 Adaptive-MMOSPRED 기법을 사용한 호 수락제어)

  • Lee, Jin-Yi
    • Journal of Advanced Navigation Technology
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    • v.12 no.1
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    • pp.22-27
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    • 2008
  • This paper presents adaptive-MMOSPRED method for prediction of resource demands requested by multimedia calls, and shows the performance of the call admission control based on proposed resource prediction method in multimedia wireless networks. The proposed method determines (I-CDP) random variables of the standard normal distribution by using LMS algorithm that minimize errors of prediction in resource demands, while parameters in an existing method are constant all through the prediction time. Our simulation results show that prediction error in adaptive-MMOSPRED method is much smaller than in fixed-MMOSPRED method. Also we can see via simulation the CAC performance based on the proposed method improves the new call blocking performance compared with the existing method under the desired handoff dropping probability.

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DB강좌-메타데이터 연결 및 통합을 위한 체계

  • Lee, Jae-Jin
    • Digital Contents
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    • no.7 s.74
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    • pp.52-55
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    • 1999
  • 인터넷상에 존재하는 네트워크 자원이 급증하면서 이들 자원을 식별. 기술하는 메타데이터도 여러 가지 다른 형식으로 개발 및 이용되고 있다. 따라서 독립적으로 운용되는 메타데이터간의 상호호환성을 높이기 위한 메타데이터 연결이나 통합 구조가 요구된다. 이러한 통합 구조의 논의는 DC의 제2차 워크숍에서 제안돼 WF(Warwick Framework)에서 시작되어 RDF(Resource Description Framework)로 이어지고 있다.

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Development of Global Fishing Application to Build Big Data on Fish Resources (어자원 빅데이터 구축을 위한 글로벌 낚시 앱 개발)

  • Pi, Su-Young;Lee, Jung-A;Yang, Jae-Hyuck
    • Journal of Digital Convergence
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    • v.20 no.3
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    • pp.333-341
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    • 2022
  • Despite rapidly increasing demand for fishing, there is a lack of studies and information related to fishing, and there is a limit to obtaining the data on the global distribution of fish resources. Since the existing method of investigating fish resource distribution is designed to collect the fish resource information by visiting the investigation area using a throwing net, it is almost impossible to collect nation-wide data, such as streams, rivers, and seas. In addition, the existing method of measuring the length of fish used a tape measure, but in this study, a FishingTAG's smart measure was developed. When recording a picture using a FishingTAG's smart measure, the length of the fish and the environmental data when the fish was caught are automatically collected, and there is no need to carry a tape measure, so the user's convenience can be increased. With the development of a global fishing application using a FishingTAG's smart measure, first, it is possible to collect fish resource samples in a wide area around the world continuously on a real time basis. Second, it is possible to reduce the enormous cost for collecting fish resource data and to monitor the distribution and expansion of the alien fish species disturbing the ecosystem. Third, by visualizing global fish resource information through the Google Maps, users can obtain the information on fish resources according to their location. Since it provides the fish resource data collected on a real time basis, it is expected to of great help to various studies and the establishment of policies.

An Analyzing the Property Factors of Internet Digital Products Focusing on Customer acceptability of On-line Community Products. (인터넷 디지털 상품의 특성요인 분석 -온라인 커뮤니티의 고객수용성을 중심으로-)

  • Chae Young-Il;Lee Hyun-Soo;Suh Yung-Ho
    • Journal of Korean Society for Quality Management
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    • v.32 no.4
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    • pp.15-29
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    • 2004
  • This paper is interested in analyzing the CSFs of 3 different kinds of on-line digital products. They are on-line digital products of (1) transaction, (2) relations, and (3) interests. This study first tried to define the on-line digital products based in the above three categories and then to find the factors that might effect the customer acceptability in each product groups. Independent variables used in this study are characters of products, characters of users, and system environments. This paper that on-line survey has been conducted for the study's specialty and the collected resource was analyzed by using the SPSS 10.0K statistics package. Using multiple regression, this study finds that major factors effecting the user acceptability of each group are different from one another. For example, system environment variables such as speediness, system performance effects the customer acceptability of digital products of Interest(game, avartar, etc). Much more then that of products of relations(information service, etc). Therefore empirical findings are suggested in the conclusion.

Authority Control on the Web : Knowledge Organization Systems and Authority Control for Digital Libraries (웹에서의 전거통제:디지털 도서관의 지식조직 시스템(KOS)과 전거 통제)

  • Yoon, Cheong-Ok
    • Journal of Information Management
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    • v.33 no.4
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    • pp.85-105
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    • 2002
  • The purpose of this study is to review the expanded role of authority files, which uses the Knowledge Organization System(KOS) to organize contents and manage the collections in digital libraries. The KOS plays a role as a bridge between the users' information needs and materials by providing links between catalogs and digital resources on the web and supporting retrieval of the relevant items. It is described how a KOS can be used to link a digital resource to related materials, to provide more descriptive records for entities, and access to relevant physical objects.