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168
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KDD
2008
ACM
16 years 7 months ago
2008
ACM
Classic mixture models assume that the prevalence of the various mixture components is fixed and does not vary over time. This presents problems for applications where the goal is...
153
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ICML
2009
IEEE
16 years 1 months ago
2009
IEEE
The Precision-Recall (PR) curve is a widely used visual tool to evaluate the performance of scoring functions in regards to their capacities to discriminate between two population...
152
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ICALT
2009
IEEE
16 years 1 months ago
2009
IEEE
With the aim of facilitating teachers the use of good techniques in computer assisted assessment, this paper proposes the integration of rubric functionalities in an editor compli...
174
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AIED
2009
Springer
16 years 1 months ago
2009
Springer
The core problem we address in this paper is how to take a declarative conceptual representation of a complex system and produce an agent-based simulation of that model. In particu...
172
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KSEM
2009
Springer
16 years 1 months ago
2009
Springer
The changes in the dynamics of the economy and the corresponding mobility and fluctuations of knowledge workers within organizations make continuous social learning an essential f...