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JUCS
2008
276views more  JUCS 2008»
13 years 9 months ago
Model-Driven Approach to Design User Interfaces for Workflow Information Systems
: Many methods in the area of Human-Computer Interaction have been developed for deriving user interfaces considering individual users. However, nowadays information systems includ...
Josefina Guerrero García, Christophe Lemaig...
VL
2005
IEEE
135views Visual Languages» more  VL 2005»
14 years 2 months ago
HyperFlow: An Integrated Visual Query and Dataflow Language for End-User Information Analysis
We present HyperFlow, a novel visual language for information analysis that combines features from visual dataflow and visual query languages into a unified framework. HyperFlow i...
Dolev Dotan, Ron Y. Pinter
IAT
2009
IEEE
14 years 4 months ago
Agent-Based Security System for User Verification
—We present a security system consisting of an arbitrary number of entries, sensors and agents. The intelligent integrated system is based on user modeling, i.e. models of their ...
Erik Dovgan, Bostjan Kaluza, Tea Tusar, Matjaz Gam...
GLOBECOM
2008
IEEE
14 years 3 months ago
SINR Balancing for the Multi-User Downlink under General Power Constraints
Abstract—We address the problem of maximizing the minimum signal to interference and noise ratio of individual users via linear precoding in a multiuser downlink channel with mul...
Albrecht J. Fehske, Fred Richter, Gerhard Fettweis
GLOBECOM
2007
IEEE
14 years 3 months ago
Joint Iterative Time-Variant Channel Estimation and Multi-User Detection for MIMO-OFDM Systems
—This paper presents an iterative receiver for Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) systems. The receiver performs channel esti...
Pierluigi Salvo Rossi, Ralf R. Muller