• Title/Summary/Keyword: Spatial Information

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Current Status of the 3-D Spatial Information Systems for Local Government and Their Revitalization Plan (지자체 3차원 공간정보시스템의 현황 및 활성화 방향에 관한 연구)

  • Yun, Jeong-Mi;Kim, Tae-Woo;Suh, Yong-Cheol
    • Journal of the Korean Association of Geographic Information Studies
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    • v.14 no.4
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    • pp.22-32
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    • 2011
  • The 3-D spatial information systems are effective for systematical urban management and civil administration. They have more visibility than the 2-D spatial information systems with height information. However, the 3-D spatial information systems for local government were developed by central government's master plan of national spatial informatization. It means that the systems are biased toward the 3-D viewing as the visibility like a 3-D display and simulation, without reflected distinct characteristics of the local society. In order to utilize municipalities'3-D spatial information systems efficiently, above all, we have to understand the current status of municipalities'3-D spatial information systems and then have to search the ways applying actively. Therefore, we reviewed the current 3-D spatial information systems and discussed the development directions with central government's national spatial informatization master plans in order to perform properly on the 3-D spatial information system's excellent functions. We analyzed each system characteristics based on the applicability to civil administration which has the potential usage of spatial information. Additionally we suggested the development directions of 3-D spatial information systems for municipalities'through reviewing which civil administrative tasks 3-D spatial information can be applied. The consideration was based on the user demand research of the 3-D spatial information system in Chungcheongnam-do.

Polyinstantiation for spatial data for multilevel secure spatial database (다단계 보안 공간 데이터베이스를 위한 공간 다중인스턴스화)

  • 오영환;이재동;임기욱;배해영
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.11 no.1
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    • pp.43-54
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    • 2001
  • In this paper we study the use of polyinstantiation for spatial data, for the purpose of solving cover in topology channel in multilevel secure spatial database systems. Spatial database system with topological structure has a number of spatial analysis function using spatial data and neighbored one\`s each other. But. it has problems that information flow is occurred by topological relationship in spatial database systems. Geographic Information System(CIS) must be needed mandatory access control because there ,are many information flow through positioning information And topological relationship between spatial objects. Moreover, most GIS applications also graphe user interface(GUI). In addressing these problems, we design the MLS/SRDM(Multi Level Security/Spatial Relational Data Model) and propose polyinstantiation for spatial data for solving information flow that occurred by toplogical relationship of spatial data.

TOWARDS A SPATIAL FRAMEWORK FOR SUPPORTING BUILDING CONSTRUCTION INSPECTION

  • Saud Aboshiqah;Bert Veenendaal;Robert Corner
    • International conference on construction engineering and project management
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    • 2013.01a
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    • pp.558-565
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    • 2013
  • The process and efficiency of monitoring building and construction violations is a concern of the construction industry. The detection of violations requires appropriate and sufficiently accurate spatial information to manage and support a comprehensive inspection process and monitor compliance. A building inspection workflow must extract appropriate spatial and measurement in-formation from a variety of sources, identify potential violations across a range of compliance criteria and determine the quality of resulting inspection reports. This paper presents a framework for supporting building inspections using spatial information and methods to detect construction violations and compliance. Current inspection processes involve issues around the identification of building violations, access to building regulations and existing spatial information, integration of a range of spatial and non-spatial information, and the quality of decisions within the inspection workflows. A survey of building inspectors was conducted and used together with the issues identified to establish the requirements for a spatial inspection framework. The results demonstrate how such a framework can support improved decision-making and reduced fieldwork effort in detecting and measuring the accuracy of building violations involving building placements, street offsets and footprint areas.

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Design of 4S Web Services Model for the Infrastructures of National Spatial Clearinghouse of Spatial Data and Services

  • Kim, M.S.;Oh, B.W.;Kim, M.J.;Jang, B.T.
    • Proceedings of the KSRS Conference
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    • 2003.11a
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    • pp.834-836
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    • 2003
  • Recently, web services concept is rapidly rising as new solution to solve the integration problem among heterogeneous application systems . This web servic es concept is adaptable in the field of 4S application systems integration that handles the spatial information of GIS, SIIS, GNSS and ITS. So, this paper suggests a new 4S web services model for the infrastructures of nationwide spatial clearinghouse, which is mainly based on the OGC and W3C web services specifications. Conclusively, this proposed model that could serve various spatial data and services has some advantages of being flexibly and powerfully capable of integrating the 4S application systems owing to adapting the international standard specifications of OGC and W3C.

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The Research on Coherence of Legal System for Systematic Development of Spatial Information (공간정보의 체계적 발전을 위한 법제도적 정합성에 관한 연구)

  • Kim, Hyun-Hee;Lim, Hyung-Taek
    • Journal of Cadastre & Land InformatiX
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    • v.45 no.1
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    • pp.1-15
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    • 2015
  • Korea's Spatial Information Policy has been institutionalized based by "National Spatial Data Infrastructure Act", "Act on Land Survey, Waterway Survey and Cadastral Records", "Spatial Data Industry Promotion Act". In year 2015, These acts were modified with new names and contents. It is critical that the definition of spatial information ought to be generalized. In addition, it is of paramount importance to review factors those contribute to the systematic development on coherent relation between Spatial Information Act and other acts. Examples of improvement area may include: Categorization of Spatial Information Concept, Systematization of Spatial Data Related Legislation, and Enhancement of Organization Specializing in Spatial Information. Furthermore, Legislation & Policy case of Germany, France and the United States were used as a basis for improvement.

UIL:A Novel Indexing Method for Spatial Objects and Moving Objects

  • Huang, Xuguang;Baek, Sung-Ha;Lee, Dong-Wook;Chung, Weon-Il;Bae, Hae-Young
    • Journal of Korea Spatial Information System Society
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    • v.11 no.2
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    • pp.19-26
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    • 2009
  • Ubiquitous service based on Spatio-temporal dataspaces requires not only the moving objects data but also the spatial objects. However, existing methods can not handle the moving objects and spatial objects together. To overcome the limitation of existing methods, we propose a new index structure called UIL (Union Indexing Lists) which contains two parts: MOL (Moving Object List) and SOL (Spatial Object List) to index the moving objects and spatial objects together. In addition, it can suppose the flexible queries on these data. We present the results of a series of tests which indicate that the structure perform well.

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GeoVideo: A First Step to MediaGIS

  • Kim, Kyong-Ho;Kim, Sung-Soo;Lee, Sung-Ho;Kim, Kyoung-Ok;Lee, Jong-Hun
    • Proceedings of the KSRS Conference
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    • 2002.10a
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    • pp.827-831
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    • 2002
  • MediaGIS is a concept of tightly integrated multimedia with spatial information. VideoGIS is an example of MediaGIS focused on the interaction or interaction of video and spatial information. Our suggested GeoVideo, a new concept of VideoGIS has its key feature in interactiveness. In GeoVideo, the geographic tasks such as browsing, searching, querying, spatial analysis can be performed based on video itself. GeoVideo can have the meaning of paradigm shift from artificial, static, abstracted and graphical paradigm to natural, dynamic, real, and image-based paradigm. We discuss about the integration of video and geography and also suggest the GeoVideo system design. Several considerations on expanding the functionalities of GeoVideo are explained for the future works.

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Image-Based Cadastral Mapping with Fusion of Cadastre and Image Information (영상정보와 지적정보에의 융복합에 의한 영상응용지적도 개발)

  • Lee, In Su;Chang, Cheong Hwa;Seo, Yong Cheol
    • Journal of Korean Society for Geospatial Information Science
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    • v.20 no.4
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    • pp.45-54
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    • 2012
  • Nowadays, a variety of efforts, such as the open of SPACEN, the enactment of law related to Spatial Information and the improvement of institute in order to encourage of the Spatial Information Industry in domestic, are fulfilled. At this moment, it is expected that spatial information market will be vigorous, with the development of image-based cadastral map with combining cadastral information(vector) with Imagery information (raster). Hence, this study deals with the Image-Based Cadastral mapping and its application.