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1995
Fox, E. A., N. D. Barnette, C. A. Shaffer, L. S. Heath, W. Wake, L. T. Nowell, J. A. N. Lee, D. Hix, and H. R. Hartson, "Progress in Interactive Learning with a Digital Library in Computer Science", Proceedings ED-MEDIA 95, World Conf. on Educational Multimedia and Hypermedia, Graz, Austria, pp. 7-12, 07/1995.
Jun, Y., C. A. Shaffer, and L. S. Heath, The Swan User''s Manual, Version 1.1, , Blacksburg, VA, USA, Virginia Polytechnic Institute && State University, 1995.
1994
Bright, J. S., C. A. Shaffer, P. S. Nagarkatti, and M. Nagarkatti, "Computer Simulation of the Immune System", Proceedings of the Fourteenth Annual Seminar of Cancer Researchers in Virginia, pp. {17}., March, 1994.
Pemmaraju, S. V., and C. A. Shaffer, "Analysis of the worst case space complexity of a PR quadtree", Inf. Process. Lett., vol. 49, no. 5, Amsterdam, The Netherlands, The Netherlands, Elsevier North-Holland, Inc., pp. 263–267, 1994.
1993
Shaffer, C. A., R. Juvvadi, and L. S. Heath, "A Generalized Comparison of Quadtree and Bintree Storage Requirements", Image and Vision Computing, vol. 11, no. 7, pp. 402–412, September, 1993.
Shaffer, C. A., "Dissertation Abstracts in Computer Graphics", SIGGRAPH Comput. Graph., vol. 27, no. 2, New York, NY, USA, ACM, pp. 86–98, 1993.
Shaffer, C. A., and P. R. Brown, "A Paging Scheme for Pointer-Based Quadtrees", SSD '93: Proceedings of the Third International Symposium on Advances in Spatial Databases, London, UK, Springer-Verlag, pp. 89–104, 1993.
1992
Shaffer, C. A., "Dissertation Abstracts in Computer Graphics", SIGGRAPH Comput. Graph., vol. 26, no. 1, pp. 76–96, January, 1992.
Shaffer, C. A., and M. T. Ursekar, "Large Scale Editing and Vector to Raster Conversion Via Quadtree Spatial Indexing", Proceedings of the 5th International Symposium on Spatial Data Handling, pp. 505–513, August, 1992.
Pemmaraju, S. V., and C. A. Shaffer, Analysis of the Worst Case Space Complexity of a PR Quadtree, , Blacksburg, VA, USA, Virginia Polytechnic Institute && State University, 1992.
Shaffer, C. A., Data representations for Geographic Information Systems, , vol. 27, Medford, NJ, American Society for Information Science, pp. 135–172, 1992.
Ryan, T. L., and C. A. Shaffer, Device Independent Perspective Volume Rendering Using Octrees, , Blacksburg, VA, USA, Virginia Polytechnic Institute && State University, 1992.
Shaffer, C. A., and C. D. Feustel, Exact computation of 2–D intersections, , San Diego, CA, USA, Academic Press Professional, Inc., pp. 188–192, 1992.
Shaffer, C. A., and G. M. Herb, "A Real-Time Robot Arm Collision Avoidance System", IEEE Transactions on Robotics, vol. 8, no. 2, pp. 149–160, 1992.
1991
Shaffer, C. A., and Q. F. Stout, "Linear time distance transforms for quadtrees", CVGIP: Image Underst., vol. 54, no. 2, Orlando, FL, USA, Academic Press, Inc., pp. 215–223, 1991.
Lattanzi, M. R., and C. A. Shaffer, "An optimal boundary to quadtree conversion algorithm", CVGIP: Image Underst., vol. 53, no. 3, Orlando, FL, USA, Academic Press, Inc., pp. 303–312, 1991.
Brown, P. R., C. A. Shaffer, and R. E. Webber, "A paging scheme for pointer-based quadtrees", CSC '91: Proceedings of the 19th annual conference on Computer Science, New York, NY, USA, ACM, pp. 687, 1991.
Shaffer, C. A., L. W. Carstensen, V. F. Miranda, S. A. Kriss, R. W. Morrill, and E. A. Fox, Project GEOSIM: The First Two Modules, , Blacksburg, VA, USA, Virginia Polytechnic Institute && State University, 1991.
Shaffer, C. A., "Real-time robot arm collision detection for telerobotics", Comput. Electr. Eng., vol. 17, no. 3, Tarrytown, NY, USA, Pergamon Press, Inc., pp. 205–215, 1991.
1990
Oskard, D. N., T. - H. Hong, and C. A. Shaffer, "Real-Time Algorithms and Data Structures for Underwater Mapping", IEEE Transactions on Systems, Man, and Cybernetics, vol. 20, no. 6, pp. 1469–1475, November/Decembe, 1990.