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ICALT
2006
IEEE
14 years 3 months ago
The Generation of E-Learning Exercise Problems from Subject Ontologies
The teaching/ learning of cognitive skills, such as problem-solving, is an important goal in most forms of education. In well-structured subject areas certain exercise problem typ...
Edmond Holohan, Mark Melia, Declan McMullen, Claus...
ALIFE
2000
13 years 9 months ago
Open Problems in Artificial Life
This article lists fourteen open problems in artificial life, each of which is a grand challenge requiring a major advance on a fundamental issue for its solution. Each problem is ...
Mark A. Bedau, John S. McCaskill, Norman H. Packar...
CDC
2009
IEEE
111views Control Systems» more  CDC 2009»
14 years 2 months ago
An optimal investment problem with randomly terminating income
Abstract— We investigate an optimal consumption and investment problem where we receive a certain fixed income stream that is terminated at a random time. It turns out that the ...
Michel H. Vellekoop, Mark Davis
MP
2006
121views more  MP 2006»
13 years 9 months ago
Approximate fixed-rank closures of covering problems
Consider a 0/1 integer program min{cT x : Ax b, x {0, 1}n } where A is nonnegative. We show that if the number of minimal covers of Ax b is polynomially bounded, then there is ...
Daniel Bienstock, Mark Zuckerberg
ICRA
2002
IEEE
89views Robotics» more  ICRA 2002»
14 years 2 months ago
On the General Reconfiguration Problem for Expanding Cube Style Modular Robots
We discuss the theoretical limitations for reconfiguration of metamorphic robots made up of Telecubes, six degree of freedom cube shaped modules currently being developed at Xerox...
Sergei Vassilvitskii, Jeremy Kubica, Eleanor G. Ri...