14761 search results - page 223 / 2953 » Optimization in Data Mining |
115
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KDD
2010
ACM
15 years 7 months ago
2010
ACM
The fused Lasso penalty enforces sparsity in both the coefficients and their successive differences, which is desirable for applications with features ordered in some meaningful w...
174
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PAKDD
2011
ACM
14 years 8 months ago
2011
ACM
Discovering rare categories and classifying new instances of them is an important data mining issue in many fields, but fully supervised learning of a rare class classifier is pr...
162
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ACMSE
2008
ACM
15 years 7 months ago
2008
ACM
In this paper, a new pattern-growth algorithm is presented to mine frequent sequential patterns using First-Occurrence Forests (FOF). This algorithm uses a simple list of pointers...
208
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SDM
2004
SIAM
15 years 7 months ago
2004
SIAM
Microarray experiments have been extensively used for simultaneously measuring DNA expression levels of thousands of genes in genome research. A key step in the analysis of gene e...
150
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KDD
2006
ACM
16 years 6 months ago
2006
ACM
Commercial relational databases currently store vast amounts of real-world data. The data within these relational repositories are represented by multiple relations, which are int...