2005 P. Palathingal, T. E. Potok, and R.M. Patton, "Agent Based Approach for Searching, Mining, and Managing Enormous Amounts of Spatial Image Data," Proc. of the 18th International FLAIRS Conference, May 2005. 2004 J.W. Reed, T.E. Potok, and R.M. Patton, "A Multi-Agent System for Distributed Cluster Analysis," Proceedings of the Software Engineering for Large-Scale Multi-Agent Systems (SELMAS), May 2004. R.M. Patton, and T.E. Potok, "Adaptive Sampling of Text Documents," Proc. of the 13th International Conference on Intelligent and Adaptive Systems and Software Engineering, July 2004. 2003 R.M. Patton, G.H. Walton, S.L. Weisberg, W. Sherer, and D.J. Parsons, "Environment-Model-Based Testing," accepted for publication at 2003 Software Technology Conference. R.M. Patton, A.S. Wu, and G.H. Walton, "A Genetic Algorithm Approach to Focused Software Usage Testing," accepted for publication by Kluwer as a book chapter. 2001 G.H. Walton, R.M. Patton, and D.J. Parsons, "Usage Testing of Military Simulation Systems," 2001 Winter Simulation Conference. R.M. Patton, G.H. Walton, and D.J. Parsons, "The Application of Statistical Usage Testing to Improve Validation of Simulation Systems," 2001 Interservice / Industry Training, Simulation, and Education Conference. R.M. Patton, and G.H. Walton, "Applying Statistical Usage Testing to Military Simulation Systems," 2001 Summer Computer Simulation Conference.