621 search results - page 107 / 125 » Efficient algorithms for minimizing tree pattern queries |
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
Nearest neighbor (NN) queries have been extended from Euclidean spaces to road networks. Existing approaches are either based on Dijkstra-like network expansion or NN/distance prec...
EEE
2004
IEEE
13 years 11 months ago
2004
IEEE
E-Services are becoming as promising technology for the effective automation of application integration across Web. They build upon XML, as data format for exchanging messages bet...
DBA
2004
13 years 9 months ago
2004
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...
DOLAP
2004
ACM
14 years 1 months ago
2004
ACM
Parallelism can be used for major performance improvement in large Data warehouses (DW) with performance and scalability challenges. A simple low-cost shared-nothing architecture ...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...