1422 search results - page 71 / 285 » Hierarchical Spatial Data Structures |
SIGMOD
1994
ACM
14 years 1 months ago
1994
ACM
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...
DOLAP
2003
ACM
14 years 2 months ago
2003
ACM
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
GANDC
2011
12 years 9 months ago
2011
Copulas have attracted much attention in spatial statistics over the past few years. They are used as a flexible alternative to traditional methods for nonGaussian spatial modelin...
ICPP
2008
IEEE
14 years 3 months ago
2008
IEEE
In this paper, we explore the use of hierarchically structured multiprocessor tasks (M-tasks) for programming multi-core cluster systems. These systems often have hierarchically s...
COLING
2002
13 years 9 months ago
2002
Text representation is a central task for any approach to automatic learning from texts. It requires a format which allows to interrelate texts even if they do not share content w...