• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 20 Issue 4
Aug.  2007
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Article Contents
LI Ke. Civil Aviation Decision Support System for Early Warning of Disasters Based on Data Warehouse and Online Analytical Processing[J]. Journal of Southwest Jiaotong University, 2007, 20(4): 511-515.
Citation: LI Ke. Civil Aviation Decision Support System for Early Warning of Disasters Based on Data Warehouse and Online Analytical Processing[J]. Journal of Southwest Jiaotong University, 2007, 20(4): 511-515.

Civil Aviation Decision Support System for Early Warning of Disasters Based on Data Warehouse and Online Analytical Processing

  • Received Date: 12 Sep 2006
  • Publish Date: 25 Aug 2007
  • An early warning decision support system for civil aviation disasters was constructed based on data warehouse and online analytical processing(OLAP) to utilize the data from multiple sources and to provide a support to multi-objective decision making.The system includes 5 layers: application interface layer,auxiliary decision making function layer,warehouse management and data interface layer,information warehouse layer and data layer.The subject of the data warehouse consists of the early warning indices of airline companies,aviation control centers and airports.Four dimensions(geological area,organization,index and time),the snow model for the data warehouse,and 3 granularities(annual,quarterly and monthly) were designed.The partitioning scheme for the data warehouse is to do partitioning on the geological area dimension first followed by partitioning on the organization dimension.The multidimensional decision making procedure,including slicing,dicing and rotation,was discussed.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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