Sciweavers

1430 search results - page 175 / 286
» Query operations for moving objects database systems
Sort
View
ER
2004
Springer
93views Database» more  ER 2004»
15 years 11 months ago
Schema Versioning in Data Warehouses
Abstract. As several mature implementations of data warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to manage ...
Matteo Golfarelli, Jens Lechtenbörger, Stefan...
ICDE
2009
IEEE
118views Database» more  ICDE 2009»
16 years 1 months ago
An Incremental Threshold Method for Continuous Text Search Queries
Abstract—A text filtering system monitors a stream of incoming documents, to identify those that match the interest profiles of its users. The user interests are registered at ...
Kyriakos Mouratidis, HweeHwa Pang
DBA
2004
111views Database» more  DBA 2004»
15 years 7 months ago
Effective Decompositioning of Complex Spatial Objects into Intervals
In order to guarantee efficient query processing together with industrial strength, spatial index structures have to be integrated into fully-fledged object-relational database ma...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
GIS
1995
ACM
15 years 10 months ago
Measuring the Complexity of Polygonal Objects
Polygonal objects are characterized by the following well-known parameters: number of vertices, area, perimeter and so on. These parameters describe the data sets that are used in...
Thomas Brinkhoff, Hans-Peter Kriegel, Ralf Schneid...
EVOW
2010
Springer
15 years 9 months ago
Towards Automated Learning of Object Detectors
Recognizing arbitrary objects in images or video sequences is a difficult task for a computer vision system. We work towards automated learning of object detectors from video seque...
Marc Ebner