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AIED
2007
Springer
16 years 29 days ago
Choosing Reading Passages for Vocabulary Learning by Topic to Increase Intrinsic Motivation
: Intrinsic motivation has been shown in previous research to lead to better learning. In order to increase intrinsic motivation, REAP, a tutoring system for ESL vocabulary was enh...
Michael Heilman, Alan Juffs, Maxine Eskenazi
GECCO
2007
Springer
124views Optimization» more  GECCO 2007»
16 years 28 days ago
Origin of bursts
The phenomenon of particle bursts, a well-known feature of PSO is investigated. Their origin is concluded to lie in multiplicative stochasticity, previously encountered in the stu...
Tim Blackwell, Daniel Bratton
ISCAS
2006
IEEE
124views Hardware» more  ISCAS 2006»
16 years 24 days ago
A 12-bit 300 MHz CMOS DAC for high-speed system applications
—This paper describes a 12-bit 300 MHz CMOS DAC for high-speed system applications. The proposed DAC consists of a unit current-cell matrix for 8 MSBs and a binaryweighted array ...
Weining Ni, Xueyang Geng, Yin Shi, Foster F. Dai
ISCAS
2005
IEEE
129views Hardware» more  ISCAS 2005»
16 years 11 days ago
An analytical approach for soft error rate estimation in digital circuits
—Soft errors due to cosmic rays cause reliability problems during lifetime operation of digital systems, which increase exponentially with Moore’s law. The first step in develo...
Ghazanfar Asadi, Mehdi Baradaran Tahoori
ICA
2004
Springer
16 years 4 days ago
Analytical Solution of the Blind Source Separation Problem Using Derivatives
In this paper, we consider independence property between a random process and its first derivative. Then, for linear mixtures, we show that cross-correlations between mixtures and...
Sebastien Lagrange, Luc Jaulin, Vincent Vigneron, ...