150 search results - page 1 / 30 » Evaluating the spatial indexing of dense point sets |
ICDM
2003
IEEE
13 years 10 months ago
2003
IEEE
PixelMaps are a new pixel-oriented visual data mining technique for large spatial datasets. They combine kerneldensity-based clustering with pixel-oriented displays to emphasize c...
ECCV
2008
Springer
14 years 6 months ago
2008
Springer
Over the years, several spatio-temporal interest point detectors have been proposed. While some detectors can only extract a sparse set of scaleinvariant features, others allow for...
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
Current data repositories include a variety of data types, including audio, images and time series. State of the art techniques for indexing such data and doing query processing r...
SIGMOD
1989
ACM
13 years 8 months ago
1989
ACM
Spatial objects other than points and boxes can be stored in spatial indexes, but the techniques usually require the use of approximations that can be arbitrarily bad. This leads ...
SSD
1999
Springer
13 years 9 months ago
1999
Springer
We provide an evaluation of query execution plans (QEP) in the case of queries with one or two spatial joins. The QEPs assume R -tree indexed relations and use a common set of spat...