2124 search results - page 53 / 425 » Aggregating time partitions |
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Materializing results from complex aggregation queries helps to significantly improve response times in OLAP servers. This problem is known as the view selection problem: choosing ...
SSDBM
2009
IEEE
14 years 4 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 ...
DIS
2001
Springer
14 years 2 months ago
2001
Springer
Rapid growth of digital data collections is overwhelming the capabilities of humans to comprehend them without aid. The extraction of useful data from large raw data sets is someth...
ICMCS
2005
IEEE
14 years 3 months ago
2005
IEEE
A complete MPEG-4 stream consists of many elementary streams which may be generated by different authors. In the scenario of this paper, each author signs his own authentic elemen...
LISA
2007
13 years 12 months ago
2007
Network patterns are based on generic algorithms that execute on tree-based overlays. A set of such patterns has been developed at KTH to support distributed monitoring in network...