4542 search results - page 372 / 909 » Unsupervised Feature Selection Using Feature Similarity |
188
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AIEDU
2007
15 years 6 months ago
2007
Abstract. This paper discusses the simple open student models used in two of our constraint-based tutors, SQLd KERMIT, and their effects on self-assessment. The systems present a h...
202
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PAMI
2010
15 years 5 months ago
2010
—A new formulation for multiway spectral clustering is proposed. This method corresponds to a weighted kernel principal component analysis (PCA) approach based on primal-dual lea...
187
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ISBI
2008
IEEE
16 years 7 months ago
2008
IEEE
Dermoscopy is a technique used to better visualize pigmented skin lesion and aid the clinician in determining if a lesion is benign or malignant. Automated segmentation of dermosc...
216
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ECML
2005
Springer
15 years 8 months ago
2005
Springer
Although very widely used in unsupervised data mining, most clustering methods are affected by the instability of the resulting clusters w.r.t. the initialization of the algorithm ...
191
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SIGIR
2011
ACM
14 years 9 months ago
2011
ACM
The majority of the current information retrieval models weight the query concepts (e.g., terms or phrases) in an unsupervised manner, based solely on the collection statistics. I...