291 search results - page 22 / 59 » The Bidimensionality Theory and Its Algorithmic Applications |
COMPGEOM
2011
ACM
12 years 11 months ago
2011
ACM
We present a clustering scheme that combines a mode-seeking phase with a cluster merging phase in the corresponding density map. While mode detection is done by a standard graph-b...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
The canonical problem of solving a system of linear equations arises in numerous contexts in information theory, communication theory, and related fields. In this contribution, we ...
MA
2010
Springer
13 years 6 months ago
2010
Springer
Abstract: This paper deals with the problem of multivariate copula density estimation. Using wavelet methods we provide two shrinkage procedures based on thresholding rules for whi...
SAGT
2010
Springer
13 years 6 months ago
2010
Springer
Recent results showing PPAD-completeness of the problem of computing an equilibrium for Fisher’s market model under additively separable, piecewise-linear, concave utilities (pl...
KDD
2010
ACM
13 years 6 months ago
2010
ACM
Assume a network (V, E) where a subset of the nodes in V are active. We consider the problem of selecting a set of k active nodes that best explain the observed activation state, ...