Dr. Rommel Regis' Personal Website

PUBLICATIONS

R. G. Regis and C. A. Shoemaker. Parallel Stochastic Global Optimization Using Radial Basis Functions. Accepted by the INFORMS Journal on Computing, 2009.

S. Wild, R. G. Regis, and C. A. Shoemaker.  ORBIT: Optimization by Radial Basis Function Interpolation in Trust-Regions. SIAM Journal on Scientific Computing, Vol. 30, No. 6, pp. 3197-3219, 2008. A preliminary version appeared as Technical Report #1459, School of Operations Research and Information Engineering, Cornell University.

N. Blizniouk, D. Ruppert, C. A. Shoemaker, R. G. Regis, S. Wild and P. Mugunthan. Bayesian Calibration of Computationally Expensive Models Using Optimization and Radial Basis Function Approximation. Journal of Computational and Graphical Statistics, Vol. 17, No.  2, pp. 270-294, 2008.

R. G. Regis and C. A. Shoemaker. A Stochastic Radial Basis Function Method for the Global Optimization of Expensive Functions. INFORMS Journal on Computing, Vol. 19, No. 4, pp. 497-509, Fall 2007.

R. G. Regis and C. A. Shoemaker. Parallel Radial Basis Function Methods for the Global Optimization of Expensive Functions. European Journal of Operational Research, Vol. 182, Issue 2, pp. 514-535, 2007.

R. G. Regis and C. A. Shoemaker. Improved Strategies for Radial Basis Function Methods for Global Optimization. Journal of Global Optimization, Vol. 37, No. 1, pp. 113-135, 2007.

C. A. Shoemaker, R. G. Regis and R. C. Fleming. Watershed Calibration Using Multistart Local Optimization and Evolutionary Optimization with Radial Basis Function Approximation. Hydrological Sciences Journal – Journal Des Sciences Hydrologiques, Vol. 52, Issue 3 (Special issue: Hydroinformatics), pp. 450-465, 2007.

R. G. Regis and C. A. Shoemaker. Constrained Global Optimization of Expensive Black Box Functions Using Radial Basis Functions. Journal of Global Optimization, Vol. 31, No. 1, pp. 153-171, 2005.

P. Mugunthan, C. A. Shoemaker and R. G. Regis. Comparison of Function Approximation, Heuristic and Derivative-Based Methods for Automatic Calibration  of Computationally Expensive Groundwater Bioremediation Models. Water Resources Research, Vol. 41, W11427, doi:10.1029/2005WR004134, 2005.

R. G. Regis and C. A. Shoemaker. Local Function Approximation in Evolutionary Algorithms for Costly Black Box Optimization. IEEE Transactions on Evolutionary Computation, Vol. 8, No. 5, pp. 490–505, October 2004.

C. P. Gomes, R. G. Regis and D. B. Shmoys. An Improved Approximation Algorithm for the Partial Latin Square Extension Problem. Operations Research Letters, Vol. 32, No. 5, pp. 479–484,2004. A preliminary version appeared in the Proceedings of the 14th Annual ACM-SIAM Symposium on Discrete Algorithms (SODA ’03), Baltimore, Maryland, 2003.

C. A. Shoemaker and R. G. Regis. MAPO: Using a Committee of Algorithm-Experts for Parallel Optimization of Costly Functions. Proceedings of the 15th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA ’03), San Diego, CA, 2003.

 

CONFERENCE PRESENTATIONS

R. G. Regis. On the Convergence of Adaptive Stochastic Search Methods for Continuous Global Optimization. Joint Mathematics Meetings, Washington, DC, 2009.

R. G. Regis. Recent Developments in Derivative-Free Optimization. Joint Mathematics Meetings, Washington, DC, 2009.

R. G. Regis and C. A. Shoemaker. A Quasi-multistart Global Optimization Approach using Radial Basis Functions. INFORMS Annual Meeting, Washington, DC, 2008.

R. G. Regis, S. Henderson, C. A. Shoemaker. A Multistart Approach for Continuous Global Optimization Using a Pseudo-Convexity Criterion. SIAM Conference on Optimization, Boston, MA, 2008.

R. G. Regis and C. A. Shoemaker. Derivative-Free Optimization Methods for the Calibration of Groundwater Bioremediation Models and Watershed Models. SIAM Annual Meeting, San Diego, CA, 2008.

R. G. Regis, S. Wild, C. A. Shoemaker. Derivative-Free Trust-Region Methods Using Radial Basis Functions. SIAM Conference on Computational Science & Engineering, Costa Mesa, CA, 2007.

R. G. Regis. Partial Latin Squares with the Sudoku Structure. Joint Mathematics Meetings, New Orleans, LA, 2007.

R. G. Regis, C. A. Shoemaker, S. Wild. A Derivative-Free Trust-Region Method for Engineering Optimization. INFORMS Annual Meeting, Pittsburgh, PA, 2006.

R. G. Regis and C. A. Shoemaker. A Stochastic Radial Basis Function Method for Global Optimization. INFORMS Annual Meeting, Denver, CO, 2004.

R. G. Regis, C. A. Shoemaker and P. Mugunthan. A Parallel Radial Basis Function Method for Global Optimization. International Conference on Continuous Optimization (ICCOPT I), Troy, NY, 2004.

R. G. Regis and C. A. Shoemaker. A Radial Basis Function Method for Nonlinearly Constrained Global Optimization. INFORMS Annual Meeting, Atlanta, GA, 2003.

R. G. Regis and C. A. Shoemaker. Parallel Optimization of Computationally Expensive Functions Using Radial Basis Functions. INFORMS Annual Meeting, Atlanta, GA, 2003.

C. P. Gomes, R. G. Regis and D. B. Shmoys. An Improved Approximation Algorithm for the Partial Latin Square Extension Problem. 14th Annual ACM-SIAM Symposium on Discrete Algorithms (SODA ’03), Baltimore, MD, 2003.

R. G. Regis, C. P. Gomes and D. B. Shmoys. An Improved Performance Guarantee for the Partial Latin Square Extension Problem. INFORMS Annual Meeting, San Jose, CA, 2002.