1310 search results - page 102 / 262 » Learning the k in k-means |
170
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CVPR
2008
IEEE
16 years 23 days ago
2008
IEEE
While low-dimensional image representations have been very popular in computer vision, they suffer from two limitations: (i) they require collecting a large and varied training se...
181
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ISCAS
2008
IEEE
16 years 21 days ago
2008
IEEE
— Non-negative Matrix factorization (NMF) has increasingly been used as a tool in signal processing in the last couple of years. NMF, like independent component analysis (ICA) is...
155
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ICDM
2007
IEEE
16 years 19 days ago
2007
IEEE
We present a machine learning methodology (models, algorithms, and experimental data) to discovering the agent dynamics that drive the evolution of the social groups in a communit...
144
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AIED
2007
Springer
16 years 15 days ago
2007
Springer
The relationship between emotions and learning was investigated by tracking the emotions that college students experienced while learning about computer literacy with AutoTutor. Au...
174
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AIED
2007
Springer
16 years 15 days ago
2007
Springer
We investigated the potential of automatic detection of a learner’s affective states from posture patterns and dialogue features obtained from an interaction with AutoTutor, an i...