• Title/Summary/Keyword: Data warehouses

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Building up Spatial Data Warehouses into the Spatial Data Infrastructure (유통체계를 고려한 공간데이터 웨어하우스 구축방안 연구)

  • Jin, Heui-Chae;Jeong, Seung-Ryul
    • Journal of Korea Spatial Information System Society
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    • v.2 no.2 s.4
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    • pp.89-97
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    • 2000
  • This paper deals with the method which can apply spatial-data warehouses into the spatial data infrastructure in the view of clearinghouse. First, we classify the type of available data warehouses in the consider with patterns and properties of spatial data infrastructure. Then we suggest strategies for building and expanding data warehouses into various organizations. After considering all the factors, we suppose how the national spatial data warehouse come into being.

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An Integrated Framework for Data Quality Management of Traffic Data Warehouses (고품질 데이터를 지원하는 교통데이터 웨어하우스 구축 기법)

  • Hwang, Jae-Il;Park, Seung-Yong;Nah, Yun-Mook
    • Journal of Korea Spatial Information System Society
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    • v.10 no.4
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    • pp.89-95
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    • 2008
  • In this paper, we propose an integrated techniques for managing data quality in traffic data warehousing environments. We describe how to collect and construct the traffic data warehouses from the operational databases, such as FTMS and ARTIS. We explain how to configure the traffic data warehouses efficiently. Also, we propose a quality management techniques to provide high quality traffic data for various analytical transactions. Proposed techniques can contribute in providing high quality traffic data to the traffic related users and researcher, thus reducing data preprocessing and evaluation cost.

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A Multidimensional Analysis Framework for XML Warehouses (XML 웨어하우스에 대한 다차원 분석 프레임워크)

  • Park, Byung-Kwon;Lee, Jong-Hak
    • Asia pacific journal of information systems
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    • v.15 no.4
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    • pp.153-164
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    • 2005
  • Nowadays, large amounts of XML documents are available in the Internet. Thus, we need to analyze them multidimensionally in the same way as relational data. In this paper, we propose a new framework for multidimensional analysis of XML documents, which we call XML-OLAP. We base XML-OLAP on XML warehouses where all fact and dimension data are stored as XML documents. We build XML cubes from XML warehouses. We propose a new OLAP language for XML cubes, which we call XML-MDX. XML-MDX statements target XML cubes and use XQuery expressions to designate measure, axis and slicer. They incorporate text mining operations for aggregating text data. We apply XML-OLAP to the United States patent XML warehouse to demonstrate multidimensional analysis of XML documents.

A Study on the Competitive Strategies for the Logistics Warehouses of Busan New Port (부산 신항 물류창고의 경쟁력 강화 전략에 관한 연구)

  • Kim, La-Yun;Jung, Jun-Sik
    • Journal of Korea Port Economic Association
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    • v.38 no.2
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    • pp.165-183
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    • 2022
  • The main purpose of this paper is to present a competitive strategies for the Logistics Warehouses of Busan New Port. Based on the survey conducted by the Logistics Warehouses of Busan New Port experts, the categorized factors were compared using the analytic hierarchy process (AHP) to assess the importance of each factor and sub-factor in the case of the Logistics Warehouses of Busan New Port. This is a quantitative study that conducted a face-to-face survey on employees and related public officers at the Logistics Warehouses of Busan New Port. The final sample size consisted of 49 people, including workers at the Busan New Port logistics warehouses and related local customs officers. The data were coded in Microsoft Excel and the imprtance of SWOT factors was derived using "the I make it" program developed by Decision Sience, and it was analyzed using the AHP method. This study quantifies the importance of the strengths, weaknesses, opportunities, and threats factor of the Logistics Warehouses of Busan New Port and presents strategic guidelines for the key factors for the development of the Logistics Warehouses of Busan New Port. This research provides strategic guidelines to Korea for the development of the Logistics Industries, and development of the Logistics Warehouses of Busan New Port.

A Study on the Prediction of Descending Smoke Time according to the Design Method of Domestic and Foreign Smoke Facilities for the Improvement of Smoke Facilities Standards in Logistics Warehouse (물류창고의 배연설비 기준 개선을 위한 국내·외 배연설비의 설계 방법에 따른 연기하강시간 예측에 관한 연구)

  • Hun, Ye-Rim;Kim, Yun-Seong;Jin, Seung-Hyun;Koo, In-Hyuk;Kwon, Young-Jin
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2022.11a
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    • pp.141-142
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    • 2022
  • Recently, fires in logistics warehouses in Korea are continuously increasing. In addition, the need for fire safety in logistics warehouses is emerging. So, it is believed that it is necessary to establish standards for vent facilities under effective smoke control for the evacuation safety of residents in logistics warehouses. Therefore, this paper compares the standards related to combustion facilities in Korea, the United States, and Japan, and applies the design method to logistics warehouses of domestic materials to predict smoke drop time and use it as a basic data for improving domestic smoke facilities standards.

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Investigation of Domestic Refrigeration and Freezing Warehouses (국내 냉장냉동 창고 현황 조사)

  • Sun, Il-suck
    • Journal of Distribution Science
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    • v.6 no.2
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    • pp.5-19
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    • 2008
  • This study aims to provide the present general state of basic data about refrigeration and freezing warehouses scold storages because basic data about refrigeration and freezing warehouses are insufficient and imperfect at the moment. Research contents include the present general state of cold storages such as sales amount, capital(money invested), storage possession state by type, keeping area, cold storage facility capacity, and facility state such as existence of rack, building structure and floor height, and possessed facility state. According to research results, it was found that 86.7% of refrigeration and freezing warehouses are located in the capital region and Busan region in terms of regional distribution, and the average keeping area was found to be bigger in these two regions than that of other regions. In addition, the research shows that more than 80% of companies possess bonded warehouses and there was no big difference in the size and capacity of refrigeration and freezing warehouses. Regarding building structure, most of them were found to be reinforced concrete. However, only 25% of companies installed racks, but there was no statistical significance between existence of rack and the amount of capital and sales. Possessed facilities were found in the order of freight elevator, information system and dock. When it comes to cargo gear, companies were found to possess 9.1 units of forklift and 2.2 units of reach stacker in average. This research is expected to lay a basis for investigating, predicting and developing the local cold storage industry, and more detailed studies will be needed in the future.

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A Study on the Improvement of Energy Efficiency in Warehouses (물류센터의 에너지 효율 개선 방안에 관한 연구)

  • Sun, Jong-Keun;Ryoo, Ho-Sang
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.26 no.6
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    • pp.66-72
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    • 2012
  • The main sources of energy consumption in warehouses are MHE(Material Handling Equipment), HVAC(Heating, Ventilating and Air Conditioning) and Lighting. Warehouses in advanced countries raise energy efficiencies with energy consumption diagnosis, technology development and systematic management and improvements for MHE, HVAC and Illuminating, etc. They have managed illuminating system, air conditioning, motor driven system, air circulation method, dock facility, layout, AS/RS, conveyor system and battery management, etc. Ansong Pyeongtaek area investigation resulted that 43.9[%] of enterprises are managing partly energy consumption source. But the data resulted with not substantial management of energy consumption but passive management for only electric bill curtailment. Therefore through survey research & visiting interviews of some companies in Ansong Pyeongtaek area, we understood the status of energy consumption source management and proposed energy efficiency methods on the basis of that results.

Multidimensional Analysis of XML Documents using XML Cubes (XML 큐브를 이용한 다차원 XML 문서 분석)

  • Park, Byung-Kwon
    • Proceedings of the Korea Association of Information Systems Conference
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    • 2005.05a
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    • pp.65-78
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    • 2005
  • Nowadays, large amounts of XML documents are available on the Internet. Thus, we need to analyze them multi-dimensionally in the same way as relational data. In this paper, we propose a new frame-work for multidimensional analysis of XML documents, which we call XML-OLAP. We base XML-OLAP on XML warehouses where every fact data as well as dimension data are stored as XML documents. We build XML cubes from XML warehouses. We propose a new multidimensional expression language for XML cubes, which we call XML-MDX. XML-MDX statements target XML cubes and use XQuery expressions to designate the measure data. They specify text mining operators for aggregating text constituting the measure data. We evaluate XML-OLAP by applying it to a U.S. patent XML warehouse. We use XML-MDX queries, which demonstrate that XML-OLAP is effective for multi-dimensionally analyzing the U.S. patents.

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A study on the energy management of logistics warehouse through survey (설문조사를 통한 물류창고의 에너지 관리현황에 관한 연구)

  • Lee, Tae-Dong;Kim, Young-Joo
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.5
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    • pp.391-399
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    • 2017
  • Various efforts for reducing greenhouse gas emission due to intensified climate change are being made continuously in all industrial fields, including theimplementation of"green logistics" as countermeasures in the logistics industry. Therefore, energy and greenhouse gas management are necessary for logistics warehouses in the logistics industry. In this study, asurvey on the recognition of logistics center managers and the management elements werecarried out to identify the energy management status of logistics centers. This study was carried out to identify the energy management status of warehouses and the perception of energy managers. The total numberof warehouses and the classification by purpose of use were examinedusing public DB to identify the present status of the warehouses preferentially. Based on the result, asurvey for identifying the present status of energy management and the perception of energy managers targeting 300 warehouses was carried out. Warehouse managers have shown considerable interest in energy management but they experiencedifficulty in this area due to a lack of energy management infrastructure and expertise. In the case of an energy audit, most warehouse managers had no experience in energy auditsbecausethe energy audits werenot mandatory for warehouses. The results of this study can be used as basic data to determineenergy management status and energy management elements for developing IT systems for the energy management of logistics warehouses.