Publications

2019

• Similarity preserving representation learning for time series analysis (pdf, software)
  Q. Lei, J. Yi, R. Vaculin, L. Wu, I. Dhillon.
  In International Joint Conference on Artificial Intelligence (IJCAI), pp. 2845-2851, August 2019.
• Discrete adversarial attacks and submodular optimization with applications to text classification (pdf, software)
  Q. Lei, L. Wu, P. Chen, A. Dimakis, I. Dhillon, M. Witbrock.
  In The Conference on Systems and Machine Learning (SysML), April 2019. (Oral)
• Inverting Deep Generative models, One layer at a time (pdf, software)
  Q. Lei, A. Jalal, I. Dhillon, A. Dimakis.
  To appear in Neural Information Processing Systems (NIPS), 2019.
• Primal-Dual Block Frank-Wolfe (pdf, software)
  Q. Lei, J. Zhuo, I. Dhillon, C. Caramanis, A. Dimakis.
  To appear in Neural Information Processing Systems (NIPS), 2019.

2018

• Stabilizing Gradients for Deep Neural Networks via Efficient SVD Parameterization (pdf, arXiv, software)
  J. Zhang, Q. Lei, I. Dhillon.
  In International Conference on Machine Learning (ICML), pp. 5801–5809, July 2018.

2017

• A Greedy Approach for Budgeted Maximum Inner Product Search (pdf, software)
  H. Yu, C. Hsieh, Q. Lei, I. Dhillon.
  In Neural Information Processing Systems (NIPS), December 2017.
• Doubly Greedy Primal-Dual Coordinate Methods for Sparse Empirical Risk Minimization (pdf, software)
  Q. Lei, I. Yen, C. Wu, P. Ravikumar, I. Dhillon.
  In International Conference on Machine Learning (ICML), pp. 8, August 2017.

2016

• Coordinate-wise Power Method (pdf, software, code)
  Q. Lei, K. Zhong, I. Dhillon.
  To appear in Neural Information Processing Systems (NIPS), December 2016.
• Efficient and Non-Convex Coordinate Descent for Symmetric Nonnegative Matrix Factorization (pdf, software, code)
  A. Vandaele, N. Gillis, Q. Lei, K. Zhong, I. Dhillon.
  IEEE Transactions on Signal Processing 64(21), pp. 5571 – 5584, 2016.