22 search results - page 4 / 5 » Mode-seeking on graphs via random walks |
PAKDD
2010
ACM
13 years 10 months ago
2010
ACM
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
In wireless sensor networks (WSNs), sensor nodes are typically subjected to energy constraints and often prone to topology changes. While duty cycling has been widely used for ener...
CC
2008
Springer
13 years 5 months ago
2008
Springer
We prove a version of the derandomized Direct Product lemma for deterministic space-bounded algorithms. Suppose a Boolean function g : {0, 1}n {0, 1} cannot be computed on more th...
TMM
2010
12 years 12 months ago
2010
Previous video summarization studies focused on monocular videos, and the results would not be good if they were applied to multi-view videos directly, due to problems such as the ...
SIGIR
2009
ACM
13 years 11 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...