208 search results - page 20 / 42 » Indexing range sum queries in spatio-temporal databases |
SSDBM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract. We propose an original solution for the general reverse k-nearest neighbor (RkNN) search problem in Euclidean spaces. Compared to the limitations of existing methods for ...
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
In this paper, we propose a new tunable index scheme, called iMinMax(), that maps points in highdimensional spaces to single-dimensional values determined by their maximum or minim...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
The modeling of high level semantic events from low level sensor signals is important in order to understand distributed phenomena. For such content-modeling purposes, transformat...
SISAP
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—We propose a strategy to perform query processing on P2P similarity search systems based on peers and superpeers. We show that by approximating global but resumed inform...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
In the emerging area of sensor-based systems, a significant challenge is to develop scalable, fault-tolerant methods to extract useful information from the data the sensors collec...