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» Query operations for moving objects database systems
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SSDBM
2005
IEEE
159views Database» more  SSDBM 2005»
14 years 2 months ago
Clustering Moving Objects via Medoid Clusterings
Modern geographic information systems do not only have to handle static information but also dynamically moving objects. Clustering algorithms for these moving objects provide new...
Hans-Peter Kriegel, Martin Pfeifle
UIST
1997
ACM
14 years 1 months ago
An Interactive Visual Query Environment for Exploring Data
Direct manipulation of visualizations is a powerful technique for performing exploratory data operations such as navigation, aggregation, and filtering. Its immediacy facilitates ...
Mark Derthick, John Kolojejchick, Steven F. Roth
DPD
2002
168views more  DPD 2002»
13 years 8 months ago
Evolutionary Algorithms for Allocating Data in Distributed Database Systems
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
Ishfaq Ahmad, Kamalakar Karlapalem, Yu-Kwong Kwok,...
INFSOF
2006
120views more  INFSOF 2006»
13 years 8 months ago
A comparison of two approaches to utilizing XML in parametric databases for temporal data
The parametric data model captures an object in terms of a single tuple. This feature eliminates unnecessary self-join operations to combine tuples scattered in a temporal relatio...
Seo-Young Noh, Shashi K. Gadia
SIGMOD
2008
ACM
222views Database» more  SIGMOD 2008»
14 years 9 months ago
Tinycasper: a privacy-preserving aggregate location monitoring system in wireless sensor networks
This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can monitor moving objects in wireless sensor networks while preservi...
Chi-Yin Chow, Mohamed F. Mokbel, Tian He