839 search results - page 68 / 168 » Ensemble-index: a new approach to indexing large databases |
GIS
2003
ACM
14 years 9 months ago
2003
ACM
For many applications with spatial data management such as Geographic Information Systems (GIS), block-oriented access over flash memory could introduce a significant number of no...
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
Nearest neighbor (NN) queries have been extended from Euclidean spaces to road networks. Existing approaches are either based on Dijkstra-like network expansion or NN/distance prec...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Abstract. The proliferation of mobile and pervasive computing devices has brought energy constraints into the limelight. Energy-conscious design is important at all levels of syste...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
ICIAR
2011
Springer
12 years 11 months ago
2011
Springer
Producing consistent segmentations of lung nodules in CT scans is a persistent problem of image processing algorithms. Many hard-segmentation approaches are proposed in the literat...