3185 search results - page 243 / 637 » Graphical models for data mining |
124
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ICIP
2008
IEEE
16 years 4 months ago
2008
IEEE
In this paper, we derive a data mining framework to analyze 3D features on human faces. The framework leverages kernel density estimators, genetic algorithm and an information com...
107
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PAKDD
2010
ACM
15 years 7 months ago
2010
ACM
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
118
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EDM
2009
15 years 8 days ago
2009
In Cognitive Tutors, student skill is represented by estimates of student knowledge on various knowledge components. The estimate for each knowledge component is based on a four-pa...
129
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PAKDD
2009
ACM
15 years 9 months ago
2009
ACM
Abstract. We propose a new approach to modeling time-varying relational data such as e-mail transactions based on a dynamic extension of matrix factorization. To estimate effectiv...
109
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CASDMKM
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. Many methodologies have been introduced to deal with project portfolio selection problem including some techniques that help to evaluate individual projects, or to select...