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AIMSA
2008
Springer
15 years 10 months ago
Dealing with Spoken Requests in a Multimodal Question Answering System
Abstract. This paper reports on experiments performed in the development of the QALL-ME system, a multilingual QA infrastructure capable of handling input requests both in written ...
Roberto Gretter, Milen Kouylekov, Matteo Negri
COMSWARE
2007
IEEE
15 years 10 months ago
Competition between SOM Clusters to Model User Authentication System in Computer Networks
—Traditional authentication systems employed on Internet are facing an acute problem of intrusions. In this context we propose a neural architecture for user authentication throu...
Shrijit S. Joshi, Vir V. Phoha
ICC
2007
IEEE
15 years 10 months ago
A Systematic Design of Multiuser Space-Frequency Codes for MIMO-OFDM Systems
— While a great number of space-time (ST) code and space-frequency (SF) code designs have been extensively studied for point-to-point single-user links and directly applied to ea...
Wei Zhang, Khaled Ben Letaief
ICC
2007
IEEE
15 years 10 months ago
Modulation Schemes Based on Orthogonal Pulses for Time Hopping Ultra Wideband Radio Systems
— This paper describes a combined modulation scheme for time hopping ultra wideband (TH-UWB) radio systems using on-off keying (OOK) and pulse shape modulation (PSM). For this sc...
Sudhan Majhi, A. S. Madhukumar, A. Benjamin Premku...
ICC
2007
IEEE
139views Communications» more  ICC 2007»
15 years 10 months ago
Throughput Maximization Transmission Control Scheme Using Precoding for MIMO Systems
— Multiple-input multiple-output (MIMO) systems that realize a high-speed data transmission with multiple antennas at both transmitter and receiver are drawing much attention. In...
Kenichi Kobayashi, Tomoaki Ohtsuki, Toshinobu Kane...