611 search results - page 76 / 123 » The Cardinality Matrix Constraint |
IMCSIT
2010
14 years 7 months ago
2010
The portfolio optimization problem is modeled as a mean-risk bicriteria optimization problem where the expected return is maximized and some (scalar) risk measure is minimized. In ...
GLOBECOM
2009
IEEE
14 years 7 months ago
2009
IEEE
In this paper, we establish a rate duality between the forward and reverse links of MIMO interference channel, where the reverse links are obtained by exchanging the roles of trans...
KDD
2007
ACM
15 years 10 months ago
2007
ACM
In this paper, we introduce and study the Minimum Consistent Subset Cover (MCSC) problem. Given a finite ground set X and a constraint t, find the minimum number of consistent sub...
FOCS
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract— A number of recent results on optimization problems involving submodular functions have made use of the ”multilinear relaxation” of the problem [3], [8], [24], [14]...
BTW
2007
Springer
15 years 1 months ago
2007
Springer
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...