398 search results - page 2 / 80 » An efficient algorithm for a class of fused lasso problems |
ICML
2009
IEEE
14 years 5 months ago
2009
IEEE
We develop a cyclical blockwise coordinate descent algorithm for the multi-task Lasso that efficiently solves problems with thousands of features and tasks. The main result shows ...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
The group Lasso is an extension of the Lasso for feature selection on (predefined) non-overlapping groups of features. The non-overlapping group structure limits its applicability...
ICML
2010
IEEE
13 years 6 months ago
2010
IEEE
We consider the problem of how to improve the efficiency of Multiple Kernel Learning (MKL). In literature, MKL is often solved by an alternating approach: (1) the minimization of ...
NIPS
2008
13 years 6 months ago
2008
It has been shown that the problem of 1-penalized least-square regression commonly referred to as the Lasso or Basis Pursuit DeNoising leads to solutions that are sparse and there...
ICDM
2007
IEEE
13 years 11 months ago
2007
IEEE
We present an extension to the Lasso [9] for binary classification problems with ordered attributes. Inspired by the Fused Lasso [8] and the Group Lasso [10, 4] models, we aim to...