5692 search results - page 387 / 1139 » Challenges and Unsolved Problems |
287
click to vote
ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
Adaptivity is a challenging open issue in data stream management. In this paper, we tackle the problem of memory adaptivity inside a system executing temporal sliding window queri...
280
click to vote
ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
Query optimizers use base-table statistics to derive statistics on the sub-plans that are enumerated during optimization. In practice, traditional optimizers rely on a number of s...
324
click to vote
ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
XML data integration tools are facing a variety of challenges for their efficient and effective operation. Among these is the requirement to handle a variety of inconsistencies or...
163
click to vote
ICPR
2008
IEEE
16 years 8 months ago
2008
IEEE
We address the problem of automatic object classification for traffic scene surveillance, which is very challenging for the low resolution videos, large intraclass variations and ...
155
click to vote
ICPR
2008
IEEE
16 years 8 months ago
2008
IEEE
This paper introduces a hierarchical approach for multicomponent tracking, where the object-to-be-tracked is modeled as a group of spatial related parts. We propose to use a robus...