Fast Kernel Summations
(open-source C++ implementation of the dual-tree fast Gauss transform is available (updated April 24, 2012) here
D. Lee, R. Vuduc, and A. G. Gray.
A Distributed Kernel Summation Framework for General-Dimension Machine Learning (pdf) .
In SIAM International Conference on Data Mining, 2012. Best Paper Award (1 out of 363 submissions, 1 out of 99 accepted submissions). Poster
Journal version in Statistical Analysis and Data Mining

W. B. March, A. Ozakin, D. Lee, R. Riegel, and A. G. Gray.
Multi-Tree Algorithms for Large-Scale Astrostatistics.
In Advances in Machine Learning and Data Mining for Astronomy, Chapman and Hall/CRC Press, 2012.

D. Lee, A. Ozakin, and A. G. Gray.
Multibody Multipole Methods. (arXiv)
To appear in Journal of Computational Physics, 2012.

D. Lee, and A. G. Gray.
Fast High-dimensional Kernel Summations Using the Monte Carlo Multipole Method. (pdf)
In: Advances in Neural Information Processing Systems, 2008. Poster

D. Lee and A. G. Gray.
Faster Gaussian Summation: Theory and Experiment. (pdf)
In: Proceedings of the Twenty-Second Conference on Uncertainty in Artificial Intelligence, 2006.
The datasets used for the paper (due to popular request)

D. Lee, A. G. Gray, and A. W. Moore
Dual-Tree Fast Gauss Transforms. (pdf)
In: Advances in Neural Information Processing Systems, 2005. Poster

Fast Nearest Neighbor
P. Ram, D. Lee, and A. G. Gray.
Nearest-Neighbor Search on a Time Budget via Max-Margin Trees.
To appear in SIAM International Conference on Data Mining, 2012.

P. Ram, D. Lee, H. Ouyang, and A. G. Gray.
Rank-Approximate Nearest Neighbor Search: Retaining Meaning and Speed in High Dimensions. (pdf)
In: Advances in Neural Information Processing Systems, 2009.

Fast Non-parametric Clustering
P. Wang, D. Lee, A. G. Gray, and J. M. Rehg.
Fast Mean Shift with Accurate and Stable Convergence. (pdf)
In: Proceedings of the Eleventh International Conference on Artificial Intelligence and Statistics, 2007. Poster

Run-time analysis of N-body methods
P. Ram, D. Lee, W. B. March, and A. G. Gray
Linear-time Algorithms for Pairwise Statistical Problems. (pdf)
In: Advances in Neural Information Processing Systems, 2009.

Fast Algorithms for Applications
K. Kim, D. Lee, and I. Essa.
Detecting Regions of Interest in Dynamic Scenes for Camera Motion.(pdf)
To appear in IEEE Conference on Computer Vision and Pattern Recognition, 2012.

K. Kim, D. Lee, and I. Essa.
Gaussian Process Regression Flow for Analysis of Motion Trajectories. (pdf) (main project page)
In: Proceedings of IEEE International Conference on Computer Vision, 2011.