1507 search results - page 45 / 302 » Separating Complexity Classes Using Structural Properties |
ERSHOV
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. We consider the problem of query containment for conjunctive queries with safe negation property. A necessary and sufficient condition for two queries to be in containmen...
CVPR
2007
IEEE
14 years 12 months ago
2007
IEEE
We propose a method for learning using a set of feature representations which retrieve different amounts of information at different costs. The goal is to create a more efficient ...
ECAL
2007
Springer
14 years 4 months ago
2007
Springer
The “order for free” exhibited by some classes of system has been exploited by natural selection in order to build systems capable of exhibiting complex behaviour. Here we expl...
CVIU
2007
13 years 9 months ago
2007
This paper addresses the problem of object detection and recognition in complex scenes, where objects are partially occluded. The approach presented herein is based on the hypothe...
IWCM
2004
Springer
14 years 3 months ago
2004
Springer
We present a probabilistic framework for component-based automatic detection and tracking of objects in video. We represent objects as spatio-temporal two-layer graphical models, w...