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ICALT
2005
IEEE
15 years 11 months ago
Multi-Learner System towards an Efficient E-Learning System
Existing multi-learner systems support three areas of group collaborative E-learning environments: communication, coordination, and collaboration. This distinction reflects the de...
Mohammed Abdel Razek, Claude Frasson, Marc Kaltenb...
ICDCSW
2005
IEEE
15 years 11 months ago
Specifying Information-Flow Controls
The core problem in risk analysis - determining exploitable paths between attackers and system assets is essentially a problem of determining information flow. It is relatively st...
Howard Chivers, Jeremy Jacob
ICMCS
2005
IEEE
86views Multimedia» more  ICMCS 2005»
15 years 11 months ago
A Perceptual Performance Measure for Adaptive Echo Cancellers in Packet-Based Telephony
This paper investigates performance measures of adaptive echo cancellers for packet-based telephony. It is shown that steady-state echo return loss enhancement (ERLE) does not acc...
James D. Gordy, Rafik A. Goubran
ICMCS
2005
IEEE
98views Multimedia» more  ICMCS 2005»
15 years 11 months ago
Face Tracking Using Two Cooporative Static and Moving Cameras
In this paper, we present a new stereo approach for tracking human face by using only two cameras in system. One pan-tilt camera is used for tracking person focused on face. One s...
Pichai Amnuaykanjanasin, Supavadee Aramvith, Thana...
IDEAS
2005
IEEE
106views Database» more  IDEAS 2005»
15 years 11 months ago
Using the Lock Manager to Choose Timestamps
Our goal is to support transaction-time functionality that enables the coexistence of ordinary, non-temporal tables with transaction-time tables. In such a system, each transactio...
David B. Lomet, Richard T. Snodgrass, Christian S....