6884 search results - page 1161 / 1377 » The macro-structure of use of help |
159
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AI
2009
Springer
16 years 1 months ago
2009
Springer
In many practical domains, misclassification costs can differ greatly and may be represented by class ratios, however, most learning algorithms struggle with skewed class distrib...
176
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AIED
2009
Springer
16 years 1 months ago
2009
Springer
Researchers of educational technologies are often asked to do the impossible: make students learn and have them enjoy it. These two objectives, though not mutually exclusive, are f...
158
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AIED
2009
Springer
16 years 1 months ago
2009
Springer
Although a solid understanding of fractions is foundational in mathematics, the concept of fractions remains a challenging one. Previous research suggests that multiple graphical r...
226
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AIRWEB
2009
Springer
16 years 1 months ago
2009
Springer
The popularity of social bookmarking sites has made them prime targets for spammers. Many of these systems require an administrator’s time and energy to manually filter or remo...
176
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APPT
2009
Springer
16 years 1 months ago
2009
Springer
In this paper, a comprehensive performance review of an MPI-based high-order three-dimensional spectral element method C++ toolbox is presented. The focus is put on the performance...