1824 search results - page 69 / 365 » Estimating query performance using class predictions |
DASFAA
2007
IEEE
14 years 3 months ago
2007
IEEE
Recently, several approaches and systems were proposed to store in the same database data and the ontologies describing their meanings. We call these databases, ontology-based data...
DKE
2006
13 years 9 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....
JCP
2008
13 years 8 months ago
2008
Differentiated Services (DiffServ)-aware network potentially can provide the next generation platform for multimedia support in the Internet. In this work we look at improving band...
ICC
2009
IEEE
13 years 6 months ago
2009
IEEE
Robust channel estimation scheme is essential for pulse-shaping OFDM systems in the multipath mobile environment. This paper proposes three types of channel estimation schemes for ...
ICC
2000
IEEE
14 years 1 months ago
2000
IEEE
Abstract—This paper addresses the problem of adaptive channel tracking and equalization for multi-input multi-output (MIMO) time-variant frequency-selective channels. A finite-l...