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2010
Springer
15 years 1 months ago
A new multi-objective optimization formulation for rail-car fleet sizing problems
Abstract With potential application to a variety of industries, fleet sizing problems present a prevalent and significant challenge for engineers and managers. This is especially t...
Hamid Reza Sayarshad, Timothy Marler
SIAMJO
2010
89views more  SIAMJO 2010»
15 years 1 months ago
A New Sequential Optimality Condition for Constrained Optimization and Algorithmic Consequences
Necessary first-order sequential optimality conditions provide adequate theoretical tools to justify stopping criteria for nonlinear programming solvers. These conditions are sati...
Roberto Andreani, José Mario Martíne...
WWW
2004
ACM
16 years 7 months ago
Active e-course for constructivist learning
An active e-course is a self-representable and self-organizable document mechanism with a flexible structure. The kernel of the active e-course is to organize learning materials i...
Hai Zhuge, Yanyan Li
ICWL
2003
Springer
15 years 11 months ago
Perspectives on Creativity in Web learning
Creativity is an important asset in today’s fast changing environment. We believe it can and should be stimulated in educational environments, through the use of tools and carefu...
Adriana Santarosa Vivacqua, Francisco Mattos, Albe...
ACMIDC
2009
15 years 10 months ago
Jots: reflective learning in scratch
This paper presents early work on the "Jots" system, integrated with the Scratch programming environment, which aims to help learners reflect on their learning processes...
Eric Rosenbaum