498 search results - page 35 / 100 » Estimating Robust Query Models with Convex Optimization |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
DKE
2006
13 years 7 months ago
2006
The K-Closest-Pairs Query (K-CPQ), a type of distance join in spatial databases, discovers the K pairs of objects formed from two different datasets with the K smallest distances....
SSDBM
2002
IEEE
14 years 21 days ago
2002
IEEE
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...
CDC
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract— Attenuation of sinusoidal disturbances with uncertain and arbitrarily time-varying frequencies is considered in the form of a generalized asymptotic regulation problem....
GLOBECOM
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper, a novel Kalman filter-based power allocation scheme is developed for cooperative networks with inaccurate channel state information (CSI). The channel estimation err...