441 search results - page 29 / 89 » Query expansion using random walk models |
SAC
2010
ACM
14 years 4 months ago
2010
ACM
We consider self-stabilizing and self-organizing distributed construction of a spanner that forms an expander. The following results are presented. • A randomized technique to r...
CVPR
2010
IEEE
14 years 6 months ago
2010
IEEE
In this paper we propose a novel approach to the perceptual interpretation of building facades that combines shape grammars, supervised classification and random walks. Procedural...
DIALM
2008
ACM
13 years 11 months ago
2008
ACM
In opportunistic forwarding, a node randomly relays packets to one of its neighbors based on local information, without the knowledge of global topology. Each intermediate node co...
SIGIR
2003
ACM
14 years 3 months ago
2003
ACM
In this poster,we incorporate user query history, as context information, to improve the retrieval performance in interactive retrieval. Experiments using the TREC data show that ...
SIGIR
2009
ACM
14 years 4 months ago
2009
ACM
Incorporating features extracted from clickthrough data (called clickthrough features) has been demonstrated to significantly improve the performance of ranking models for Web sea...