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APAL
2006
64views more  APAL 2006»
13 years 8 months ago
What can be efficiently reduced to the Kolmogorov-random strings?
We investigate the question of whether one can characterize complexity classes (such as PSPACE or NEXP) in terms of efficient reducibility to the set of Kolmogorovrandom strings R...
Eric Allender, Harry Buhrman, Michal Koucký
JOT
2008
88views more  JOT 2008»
13 years 8 months ago
It depends on what you mean by 'working'
Often efforts to change techniques or processes are met by "But its working, why change now?" Usually the impetous for change comes from someone who does not believe it ...
John McGregor
PAMI
1998
87views more  PAMI 1998»
13 years 8 months ago
What Size Test Set Gives Good Error Rate Estimates?
—We address the problem of determining what size test set guarantees statistically significant results in a character recognition task, as a function of the expected error rate. ...
Isabelle Guyon, John Makhoul, Richard M. Schwartz,...
ITS
2010
Springer
178views Multimedia» more  ITS 2010»
14 years 1 months ago
Learning What Works in ITS from Non-traditional Randomized Controlled Trial Data
The traditional, well established approach to finding out what works in education research is to run a randomized controlled trial (RCT) using a standard pretest and posttest desig...
Zachary A. Pardos, Matthew D. Dailey, Neil T. Heff...
CHI
2008
ACM
14 years 9 months ago
What is a chi portfolio?
CHI Participants are increasingly creating work in multiple formats and media. Much of this work is well suited to the kind of efficient and effective graphic and text presentatio...
Scott Pobiner, Anijo Punnen Mathew, Justin Taylor