666 search results - page 47 / 134 » New primal-dual algorithms for Steiner tree problems |
WWW
2007
ACM
14 years 10 months ago
2007
ACM
Finding Contiguous Sequential Patterns (CSP) is an important problem in Web usage mining. In this paper we propose a new data structure, UpDown Tree, for CSP mining. An UpDown Tre...
CVPR
2010
IEEE
14 years 5 months ago
2010
IEEE
We consider pixel labeling problems where the label set
forms a tree, and where the observations are also labels.
Such problems arise in feature-space analysis with a very
large...
APPROX
2010
Springer
13 years 9 months ago
2010
Springer
In this paper we consider the reconstruction problem on the tree for the hardcore model. We determine new bounds for the non-reconstruction regime on the k-regular tree showing non...
ECML
2007
Springer
14 years 3 months ago
2007
Springer
In this paper we investigate the relation between transfer learning in reinforcement learning with function approximation and supervised learning with concept drift. We present a n...
GLOBECOM
2007
IEEE
14 years 3 months ago
2007
IEEE
— Sphere decoding (SD) is a low complexity maximum likelihood (ML) detection algorithm, which has been adapted for different linear channels in digital communications. The comple...