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Parcourir par sujet "Spatial operations"

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    • Distance range queries in spatialhadoop 

      García-García F., Corral A., Iribarne L., Vassilakopoulos M. (2016)
      Efficient processing of Distance Range Queries (DRQs) is of great importance in spatial databases due to the wide area of applications. This type of spatial query is characterized by a distance range over one or two datasets. ...

    • Enhancing spatialhadoop with closest pair queries 

      García-García F., Corral A., Iribarne L., Vassilakopoulos M., Manolopoulos Y. (2016)
      Given two datasets P and Q, the K Closest Pair Query (KCPQ) finds the K closest pairs of objects from P×Q. It is an operation widely adopted by many spatial and GIS applications. As a combination of the K Nearest Neighbor ...