• Bulk-loading and bulk-insertion algorithms for xBR +-trees in Solid State Drives 

      Roumelis G., Fevgas A., Vassilakopoulos M., Corral A., Bozanis P., Manolopoulos Y. (2019)
      Spatial indexes are important in spatial databases for efficient execution of queries involving spatial constraints. The xBR +-tree is a balanced, disk-resident, Quadtree-based index for point data, which is very efficient ...
    • LB-Grid: An SSD efficient Grid File 

      Fevgas A., Bozanis P. (2019)
      Recent advances in non-volatile memory technology have led to the introduction of solid state drives (SSD). NVMe SSDs are the latest development in flash based solid state drives and they were designed as a means of low ...
    • Parallel processing of spatial batch-queries using xBR + -trees in solid-state drives 

      Roumelis G., Velentzas P., Vassilakopoulos M., Corral A., Fevgas A., Manolopoulos Y. (2020)
      Efficient query processing in spatial databases is of vital importance for numerous modern applications. In most cases, such processing is accomplished by taking advantage of spatial indexes. The xBR +-tree is an index for ...
    • Spatial batch-queries processing using xBR+-trees in Solid-State Drives 

      Roumelis G., Vassilakopoulos M., Corral A., Fevgas A., Manolopoulos Y. (2018)
      Efficient query processing in spatial databases is of vital importance for numerous modern applications. In most cases, such processing is accomplished by taking advantage of spatial indexes. The xBR+ -tree is an index for ...