Publications

2012

• A Non-monotonic Method for Large-scale Nonnegative Least Squares (pdf, software)
  D. Kim, S. Sra, I. Dhillon.
  Optimization Methods and Software, 2012.

2010

• Tackling Box-Constrained Optimization Via a New Projected Quasi-Newton Approach (pdf, software)
  D. Kim, S. Sra, I. Dhillon.
  SIAM Journal on Scientific Computing 30(6), pp. 3548-3563, December 2010.
• A Scalable Trust-region Algorithm with Application to Mixed-Norm Regression (pdf, software)
  D. Kim, S. Sra, I. Dhillon.
  In International Conference on Machine Learning (ICML), pp. 519-526, June 2010.

2009

• A New Non-monotonic Algorithm for PET image reconstruction
  S. Sra, D. Kim, I. Dhillon, B. Schölkopf.
  In IEEE Medical Imaging Conference (MIC), October 2009.

2008

• Fast Projection-Based Methods for the Least Squares Nonnegative Matrix Approximation Problem (pdf, software)
  D. Kim, S. Sra, I. Dhillon.
  Statistical Analysis and Data Mining 1(1), pp. 38-51, February 2008.

2007

• Fast Newton-type Methods for the Least Squares Nonnegative Matrix Approximation Problem (pdf, software)
  D. Kim, S. Sra, I. Dhillon.
  In SIAM International Conference on Data Mining (SDM), pp. 343-354, April 2007.