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GIS
2003
ACM
16 years 7 months ago
Nearest neighbor queries in road networks
With wireless communications and geo-positioning being widely available, it becomes possible to offer new e-services that provide mobile users with information about other mobile ...
Christian S. Jensen, Jan Kolárvr, Torben Ba...
GIS
2006
ACM
16 years 7 months ago
Representation of periodic moving objects in databases
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
Ralf Hartmut Güting, Thomas Behr, Victor Teix...
KDD
2008
ACM
274views Data Mining» more  KDD 2008»
16 years 6 months ago
Data mining using high performance data clouds: experimental studies using sector and sphere
We describe the design and implementation of a high performance cloud that we have used to archive, analyze and mine large distributed data sets. By a cloud, we mean an infrastruc...
Robert L. Grossman, Yunhong Gu
SIGMOD
2009
ACM
291views Database» more  SIGMOD 2009»
16 years 6 months ago
Partial join order optimization in the paraccel analytic database
The ParAccel Analytic DatabaseTM is a fast shared-nothing parallel relational database system with a columnar orientation, adaptive compression, memory-centric design, and an enha...
Yijou Chen, Richard L. Cole, William J. McKenna, S...
SIGMOD
2006
ACM
109views Database» more  SIGMOD 2006»
16 years 6 months ago
OMCAT: optimal maintenance of continuous queries' answers for trajectories
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
Hui Ding, Goce Trajcevski, Peter Scheuermann