498 search results - page 30 / 100 » Estimating Robust Query Models with Convex Optimization |
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
DCOSS
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. We consider the problem of estimating vector-valued variables from noisy "relative" measurements. The measurement model can be expressed in terms of a graph, wh...
TSP
2010
13 years 2 months ago
2010
We consider the robust precoder design for Multi-User Multiple Input Single Output (MU-MISO) systems where the Channel State Information (CSI) is fed back from the single antenna ...
TWC
2010
13 years 2 months ago
2010
In this paper, the training sequence design for multiple-input multiple-output (MIMO) orthogonal frequencydivision multiplexing (OFDM) systems under the minimum mean square error (...
IOR
2006
13 years 7 months ago
2006
The paper considers robust optimization to cope with uncertainty about the stock return process in one period option hedging problems. The robust approach relates portfolio choice ...