8671 search results - page 32 / 1735 » A generator for hierarchical problems |
ECIR
2009
Springer
14 years 6 months ago
2009
Springer
Previous research on automatic image annotation has shown that accurate estimates of the class conditional densities in generative models have a positive effect in annotation perf...
COMPUTING
2002
13 years 9 months ago
2002
In this paper, we present a new approach to construct robust multilevel algorithms for elliptic differential equations. The multilevel algorithms consist of multiplicative subspac...
PVLDB
2008
13 years 8 months ago
2008
In this paper we propose a novel document retrieval model in which text queries are augmented with multi-dimensional taxonomy restrictions. These restrictions may be relaxed at a ...
CVPR
2009
IEEE
15 years 4 months ago
2009
IEEE
Scalable image retrieval systems usually involve hierarchical quantization of local image descriptors, which produces a visual vocabulary for inverted indexing of images. Although ...
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
—For a wireless network with ¢ nodes distributed in an area £ , with ¢ source-destination pairs communicating with each other at some common rate, the hierarchical cooperation...