422 search results - page 37 / 85 » On Non-Approximability for Quadratic Programs |
ICDE
2010
IEEE
13 years 8 months ago
2010
IEEE
A way to optimize performance of relational row store databases is to reduce the row widths by vertically partitioning tables into table fractions in order to minimize the number ...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
We develop a computationally efficient and memory efficient approach to (near) maximum a posteriori probability demodulation for MIMO systems with QPSK signalling, based on semi...
GLOBECOM
2006
IEEE
14 years 2 months ago
2006
IEEE
— A non-parametric, low-complexity algorithm for accurate and simultaneous localization of multiple sensors from scarce and imperfect ranging information is proposed. The techniq...
NIPS
2004
13 years 9 months ago
2004
We present an algorithm based on convex optimization for constructing kernels for semi-supervised learning. The kernel matrices are derived from the spectral decomposition of grap...