651 search results - page 48 / 131 » Selectivity estimation in spatial networks |
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
ENVSOFT
2007
13 years 9 months ago
2007
The paper describes a new software package for automated estimation, display and analyses of various drought indices – continuous functions of precipitation that allow quantitat...
ICASSP
2009
IEEE
13 years 7 months ago
2009
IEEE
Video communications over wireless networks suffers various patterns of losses, including burst losses that cause great degradation in video quality. In this paper, we propose an ...
GLOBECOM
2006
IEEE
14 years 4 months ago
2006
IEEE
—This paper studies the blocking performance of a class of all-optical overlaid-star TDM networks using a leastcongested-path routing strategy for path selection. An analytical m...
MTA
2000
13 years 9 months ago
2000
Object-level image retrieval is an active area of research. Given an image, a human observerdoesnot see randomdots of colors. Rather,he she observesfamiliarobjectsin the image. The...