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CHI
2000
ACM
15 years 11 months ago
Instructional interventions in computer-based tutoring: differential impact on learning time and accuracy
We can reliably build “second generation” intelligent computer tutors that are approximately half as effective as human tutors. This paper evaluates two interface enhancements...
Albert T. Corbett, Holly J. Trask
BROADNETS
2004
IEEE
15 years 10 months ago
Design and Analysis of a Cooperative Medium Access Scheme for Wireless Mesh Networks
This paper presents the detailed design and performance analysis of MACA-P, a RTS/CTS based MAC protocol, that enables simultaneous transmissions in wireless mesh networks. The IE...
Arup Acharya, Archan Misra, Sorav Bansal
TIT
1998
105views more  TIT 1998»
15 years 6 months ago
Diversity Waveform Sets for Delay-Doppler Imaging
Abstract— Properties of the ambiguity function and the uncertainty relation of Fourier transforms assert fundamental limitations on the ability of any single radar waveform of co...
Jiann-Ching Guey, Mark R. Bell
ACIVS
2009
Springer
15 years 4 months ago
Concealed Object Perception and Recognition Using a Photometric Stereo Strategy
Abstract. Following a review of current hidden objects detection techniques in a range of security applications, a strategy based on an innovative, low-cost photometric stereo tech...
Jiuai Sun, Melvyn L. Smith, Abdul R. Farooq, Lyndo...
ICSOC
2009
Springer
15 years 4 months ago
Integrating Complex Events for Collaborating and Dynamically Changing Business Processes
Business processes must become agile, respond to changes in the business environment in a timely manner and quickly adapt themselves to new conditions. Event-Driven Business Proces...
Rainer von Ammon, Thomas Ertlmaier, Opher Etzion, ...