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179
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PR
2006
15 years 6 months ago
2006
All of the prototype reduction schemes (PRS) which have been reported in the literature, process time-invariant data to yield a subset of prototypes that are useful in nearest-nei...
174
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PR
2006
15 years 6 months ago
2006
A cross-validation error estimator is obtained by repeatedly leaving out some data points, deriving classifiers on the remaining points, computing errors for these classifiers on ...
165
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IIE
2007
15 years 6 months ago
2007
LOGO has been evolving in incremental steps for 40 years. This has resulted in steady progress but some regions of the space of all programming languages for children cannot be re...
198
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IIE
2007
15 years 6 months ago
2007
Conventional wisdom attributes the lack of effective technology use in classrooms to a shortage of professional development or poorly run professional development. At the same time...
211
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IIE
2007
15 years 6 months ago
2007
The paper addresses the problem of fragmentation of the communities involved in the design of digital media for education. It draws on the experience gained at the Educational Tec...