• Title/Summary/Keyword: 지리

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Advancing National Geographic Information Clearinghouse to Extend Functionality and to Improve Usability (활용활성화를 위한 국가지리정보유통망 고도화 방안 연구)

  • Shin, Dong-Bin;Kim, Dong-Han;Park, Si-Young;Ahn, Jong-Wook
    • Journal of Korean Society for Geospatial Information Science
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    • v.15 no.4
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    • pp.21-29
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    • 2007
  • The National Geographic Information Clearinghouse (NGIC) in Korea has been established to share dispersed geographic information in many government organizations. The NGIC has become a main hub for sharing and exchanging geographic information in Korea. However, due to rapid technological advancement, citizens not only require more information but also demand more functions for NGIC. In this regards, this research tries to find the way of developing NGIC from a means of 'information sharing' to an arena of 'information use'. To do so, it suggests new technical frameworks and functionalities for NGIC. Then it recommend policy measures to improve current NGIC.

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Analysing GIS Implementation Factors in Local Governments (지방자치단체의 지리정보시스템 집행요인분석)

  • Kim, Kwang-Ju
    • Journal of the Korean Association of Geographic Information Studies
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    • v.1 no.2
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    • pp.26-36
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    • 1998
  • As the digitization of maps in Korea has been completed in 1998, local governments begin to apply digital maps for their administrative convenience. In applying GIS to local administration, there are some important aspects to be considered such as technical aspect, organizational aspect and data managerial aspect. Using surveys to local governments, the study examines the implementation factors such as leadership, GIS organizational settings, human and financial resources, and education programs which are related to the applications of GIS to local governments in Korea. As a conclusion, the study proposes that organizational and human factors be combined harmoniously with technical factors from the beginning stage of GIS installation for the successful implementation of GIS applications to local governments.

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Object Oriented Spatial Data Model using Geographic Relationship Role (지리 관계 역할을 이용한 객체 지향 공간 데이터 모델)

  • Lee, Hong-Ro
    • Journal of Internet Computing and Services
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    • v.1 no.1
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    • pp.47-62
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    • 2000
  • Geographic Information System(GIS) deal with data which can potentially be useful for a wida range of applications. However, the information needs of each application usually vary, specially in resolution, detail level, and representation style, as defined in the modeling phase of the geographic database design. To be able to deal with such diverse needs, the GIS must after features that allow multiple representations for each geographic entity of phenomenon. This paper addresses the problem of formal definition of the objects and their relationships on geographical information systems. The geographical data is divided in two main classes: geo-objects and geo-fields, which describe discrete and continuous representations of spatial reality. I will study the classes and the roles of relationships over geo-fields, geo-objects and nongeo-objects. Therefore, this paper will contribute the efficient design of geographical class hierarchy schema by means of formalizing attribute-domains of classes.

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Standardization and Application of Geographic Survey Datas in National Digital Map (수치지도 지리조사 자료의 표준화 및 활용)

  • Lee, Hyun Jik;Ru, Ji Ho;Lee, Hyuck Ho
    • Journal of Korean Society for Geospatial Information Science
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    • v.20 no.3
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    • pp.29-40
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    • 2012
  • The method regarding obtaining various kinds of attribute data of spatial information, including that of digital map, is normally restricted to Geographic survey that deals with in-field surveys. Geographic surveying for drawing digital map, however, require much effort due to the fact that a surveyor has to characterize geographic features individually in the field. Not only does the Geographic survey cover large area, but also its need for manual drawing and surveying using Draft map makes it more expensive and time-consuming. Though some recent Geographic surveys take advantage of MMS(Mobile Mapping System) to collect computerized information, there are inevitable limits in creating digital map with such data. This research will analyze the problems in current Geographic surveys and suggest adequate methods and standards for Geographic surveys by researching the methods of domestic/international service organizations that deal with establishing spatial information. This study therefore will aim to enhance the efficiency of creating digital map and Geographic survey, which would ultimately maximize the applicability of pan-national digital map by improving reliability of digital map and upgrading the utilizability of Geographic survey data.

A Study on the Characteristics of Geographic Photos (사진의 기록성과 예술성에서 본 지리사진)

  • Kim, Joo-Hwan
    • Journal of the Speleological Society of Korea
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    • no.72
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    • pp.37-46
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    • 2006
  • The purpose of this study is to provide a basic theory of photogeography. There is a close relationship between photos and fine arts, but lots of differences. For examples photos are arts of cognition, analytic media and time. Geographic photos are photos useful for geography. Geographic-photos are a kinds of academic photos which deals with special meaning of geographic phenomena and cognition of the certain area. According to the nature the photos available for geography, can be grouped into geographic photos and general photos. Geographical ideas, photographical skills and artistic senses are necessary to the photogeographers. Geographic photos are useful for research and educational Purpose. The aspect of research is related to the systematic geography, for example ; geomorphology, historical geography etc. In conclusion, to the photo geographer the geographic idea is more necessary than the skill of photography.

Yun Hwasu's Understanding of Place and the Types of Geographical Knowledge Shown in the Book of Baekdusanhaenggi ("백두산행기"에 나타난 윤화수의 장소인식과 지리지식의 유형)

  • Kang, Soon-Dol
    • Journal of the Korean association of regional geographers
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    • v.15 no.1
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    • pp.99-114
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    • 2009
  • The purpose of this paper is to identify the authour of Baekdusanhaenggi, Yun Hwasu's understanding of place and the types of geographical knowledge shown in the book. He regarded ideologically the place as a paradise or a sacred land on the base of empirical understanding of it. Geographical knowledge in Baekdusanhaenggi was expressed as two main types; geographical content and geographical concept. The content of geographical knowledge consist of physical geography such as climates, vegetations, geographical features and human landscapes such as settlement landscapes, cultural landscapes. The geographical concept consist of locations, distances, regions.

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A Study on the Defense Geospatial Intelligence Governance - Focusing on the Intelligence Community and LandWarNet (국방지리공간정보 거버넌스에 대한 연구 - 미(美) 정보공동체와 육군 랜드워넷을 중심으로)

  • Kim, Dong Hwan
    • Spatial Information Research
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    • v.22 no.1
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    • pp.19-26
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    • 2014
  • Recently, ICT environments have been increasingly developed and the pattern of the war also has been changed to NCW. The development of communication and network technology, for example, C4I and TDL(Tactical Data Link), has been prosperous and rapid. But the geospatial intelligence field which is the basis of the network frames relatively has not been developed. The purpose of this paper is to foster the geospatial governance in terms of the defense perspective. In order to do that, this paper deals with the U.S. Intelligence Community(IC) and the U.S. Army Global Information Grid(GIG), LandWarNet and those could be good examples of roles and statuses of geospatial intelligence. IC has been produced essential intelligence which is required for policymakers and military leaders. IC has several stove-piped intelligence process systems which have been separately developed and competed. And so as to complete GIG, the U.S. Army adopted LandWarNet. The U.S. Corps of Engineers organized the Army Geospatial Center(AGC) on 1 October 2009 to support LandWarNet. In order to develop NCW, we should recognize geospatial intelligence as the basis of network framework and make a central leading organization of defense geospatial intelligence. The mission of Korea Defense Geospatial-Intelligence Agency should be changed from producing GEOINT to a strategic GEOINT agency. The Army should organize a laboratory of geospatial intelligence field. The mission of producing GEOINT should be transferred to a geospatial intelligence battalion which is newly organized.