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The impressive advancement of mobile communication technologies, such as IEEE 802.11 and cellular networks, together with ever more capable handheld devices has sparked intense interest in location-based services, which support for example, disaster management systems. Significant research attention has focused on efficiently processing spatial queries and indexing mechanisms that handle frequent updates issued from dynamic data objects. A query example is that a fire engine, while driving to the fire site, launches a query to continuously locate other fire engines within two miles of its current location.  The DM+ lab focuses on the following research areas:

  • Spatial/temporal databases (時空資料庫)
  • Moving object processing (移動計算處理)
  • Scalable continuous query processing (擴充式連續查詢處理)
  • Spatial data indexing (空間資料索引)

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