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ICASSP
2009
IEEE
14 years 3 months ago
Transmit beamforming for wireless multicasting using channel orthogonalization and local refinement
The problem of transmit beamforming for single-group multicasting is considered, where the objective is to transmit common information to a (large) number of users. The transmitte...
Ahmed Abdelkader, Imran Wajid, Alex B. Gershman, N...
CISIS
2008
IEEE
14 years 2 months ago
The Grid4All Ontology for the Retrieval of Traded Resources in a Market-Oriented Grid
One of the most challenging problems in Grid environments concerns the matchmaking between resource requests and offers. As it happens in the physical economy, Grid economy must b...
Konstantinos Kotis, George A. Vouros, Alexandros G...
ICGI
2004
Springer
14 years 1 months ago
Learnability of Pregroup Grammars
Abstract. This paper investigates the learnability of Pregroup Grammars, a context-free grammar formalism recently defined in the field of computational linguistics. In a first ...
Denis Béchet, Annie Foret, Isabelle Tellier
ICIAR
2004
Springer
14 years 1 months ago
Real Time Multiple Object Tracking Based on Active Contours
Abstract. In this paper our purpose is to present some solutions to multiple object tracking in an image sequence with a real time constraint and a possible mobile camera. We propo...
Sébastien Lefèvre, Nicole Vincent
TREC
2001
13 years 9 months ago
CL Research Experiments in TREC-10 Question Answering
CL Research's question-answering system (DIMAP-QA) for TREC-10 only slightly extends its semantic relation triple (logical form) technology in which documents are fully parse...
Kenneth C. Litkowski