T.E. Chefalas and C.C. Tappert, "Silent Training by Error Correction for On-line Handwriting Recognition Systems," U.S. Patent 5,544,260, August 1996.

T.E. Chefalas and C.C. Tappert, " Methods and Apparatus for Evolving a Starter Set of Handwriting Prototypes into a User-specific Set," U.S. Patent 5,319,721, June 1994.

T. Fujisaki, J. Kim, G.J. Leibman, and C.C. Tappert, " On-line Handwriting Recognition Using a Prototype Confusability Dialog," U.S. Patent 5,315,667, May 1994.

T.E. Chefalas and C.C. Tappert, " Elastic Prototype Averaging in Online Handwriting Recognition," U.S. Patent 5,287,415, February 1994.

J. Kim, G.J. Leibman, and C.C. Tappert, " Method and Apparatus for Improving Prototypes of Similar Characters in On-line Handwriting Recognition," U.S. Patent 5,285,505, February 1994.

T.E. Chefalas, T. Fujisaki, J. Kim, and C.C. Tappert, " Robust Prototype Establishment in an On-line Handwriting Recognition System," U.S. Patent 5,121,441, June 1992.

H.A. Ellozy, H.H. Jeanty, and C.C. Tappert, " Handwriting Recognition Employing Pairwise Discriminant Measures," U.S. Patent 5,005,205, April 1991.

C.C. Tappert, "Recognition System for Run-on Handwritten Characters," U.S. Patent 4,731,857, March 1988.

A.S. Fox, E.C. Greanias, J. Kim, and C.C. Tappert, "System for Automatic Adjustment and Editing of Handwritten Text Image," U.S. Patent 4,727,588, February 1988.

(Many technical inventions not patented were published in the IBM Technical Disclosure Bulletin.)

C.C. Tappert, M. Villani, and S. Cha, "Keystroke Biometric Identification and Authentication on Long-Text Input," pp 342-367, Chapter 16 in Behavioral Biometrics for Human Identification: Intelligent Applications, Edited by Liang Wang and Xin Geng, Medical Information Science Reference, 2010.

C.C. Tappert and S. Cha, "Handwriting Recognition Interfaces," Chapter 6, pp. 123-137, in Text Entry Systems, Scott MacKenzie and Kumiko Tanaka-Ishii (Eds.), Morgan Kaufmann, 2007.

C.C. Tappert, A.S. Ruocco, K.A. Langdorf, F.J. Mabry, K.J. Heineman, T.A. Brick, D.M. Cross, S.V. Pellissier, and R.C. Kaste, "Military applications of wearable computers and augmented reality," Chapter 20, pp. 625-647, in Fundamentals of Wearable Computers and Augmented Reality, W. Barfield and T. Caudell (Eds.), Lawrence Erlbaum, 2001.

T. Fujisaki, H.S.M. Beigi, C.C. Tappert, M. Ukelson and C.G. Wolf, "Online recognition of unconstrained handprinting: a stroke-based system and its evaluation," in From Pixels to Features III: Frontiers in Handwriting Recognition, S. Impedovo and J.C. Simon (Eds.), Elsevier Science Publishers, pp. 297-312, 1992.

C.C. Tappert, "Speed, accuracy, flexibility trade-offs in on-line character recognition," in Character and Handwriting Recognition, P.S.P. Wang (Ed.), World Scientific, 1991, also Int. J. Pattern Recognition and Artificial Intelligence, Vol. 5, pp. 79-95, June 1991.

T Fujisaki, T.E. Chefalas, J. Kim, C.C. Tappert, and C.G. Wolf, "Online Run-on character recognizer," in Character and Handwriting Recognition, P.S.P. Wang (Ed.), World Scientific, 1991, also Int. J. Pattern Recognition and Artificial Intelligence, Vol. 5, pp. 123-137, June 1991.

C. Nwosisi, S-H. Cha, Y.J. An, C.C. Tappert, and E. Lipsitz, "Predicting Deep Venous Thrombosis Using Binary Decision Trees," Int. J. Engineering and Technology, Vol 3, No 5, Oct 2011, pp 467-472.

F. Grossman, C. Tappert, J. Bergin, and S.M. Merritt, "A Research Doctorate for Computing Professionals," Communications of the ACM, Vol 54, No 4, 2011, pp 133-141.

C.C. Tappert and Allen Stix, "The Trend toward Online Project-Oriented Capstone Courses," Computers in the Schools, Vol 27, 2010, pp 1-27.

C.C. Tappert, S. Cha, M. Villani, and R.S. Zack, "A Keystroke Biometric System for Long-Text Input," Int. J. Info. Security and Privacy (IJISP), Vol 4, No 1, 2010, pp 32-60.

S. Choi, S. Cha, and C. C. Tappert, "A Survey of Binary Similarity and Distance Measures," Journal of Systemics, Cybernetics and Informatics, Vol 8, No 1, 2010, pp 43-48.

S. Cha and C.C. Tappert, "A Genetic Algorithm for Constructing Compact Binary Decision Trees," J. Pattern Recognition Research (JPRR), Vol 4, No 1, 2009, pp 1-13.

S. Cha, S. Yoon, and C.C. Tappert, "Enhancing Binary Feature Vector Similarity Measures," J. Pattern Recognition Research (JPRR), Vol 1, No 1, 2006, pp 63-77.

S. Cha, S. Yoon, and C.C. Tappert, "Handwriting Copybook Style Identification for Questioned Document Examination," J. Forensic Document Examiners (AFDE), Vol 17, 2006, pp 1-16.

C.C. Tappert and S. Cha, Security-Related Research and Projects in Computing Promote Student Awareness of Security Issues, Information Systems Education Journal (ISEDJ), Vol 4, No 82, 2006.

S. Yoon, S. Choi, S. Cha, Y. Lee, and C.C. Tappert, On the Individuality of the Iris Biometric, Int. J. Graphics, Vision and Image Processing, Vol 5, 2005.

S.M. Merritt, A. Stix, J.E. Sullivan, F. Grossman, C.C. Tappert, and D.A. Sachs, "Developing a Professional Doctorate in Computing: A Fifth Year Assessment," ACM Inroads (SIGCSE Bulletin), Vol 36, No 4, 2004, pp 42-46.

Sung-Hyuk Cha, Charles C. Tappert, Michael Gibbons, and Yi-Min Chee, Automatic Detection of Handwriting Forgery using a Fractal Number Estimate of Wrinkliness, Int. J. Pattern Recognition and Artificial Intelligence, Vol 18, No 7, 2004. pp 1361-1371.

J.R. Loy, J. Myers, and C.C. Tappert, "Notebook versus desktop computers for cadets at West Point," IEEE Transactions on Education, Vol 39, 1996, pp 497-504.

C.C. Tappert and J.R. Ward, "Pen computing -- fad or revolution?," Information Display, March 1992, pp 14-19.

C.C. Tappert, C.Y. Suen, and T. Wakahara, "The state-of-the-art in on-line handwriting recognition," IEEE Transactions Pattern Analysis Machine Intelligence, Vol 12, August 1990, pp 787-808.

C.C. Tappert, A.S. Fox, J. Kim, S.E. Levy, and L.L. Zimmerman, "Handwriting recognition on transparent tablet over flat display," Journal Society for Information Display, Vol. 28/1, pp. 67-73, 1987.

C.C. Tappert, "An adaptive system for handwriting recognition," in Graphonomics: Contemporary Research in Handwriting, H.S.R. Kao, G.P. van Galen, and R. Hoosain (eds.), North Holland, pp. 185-198, 1986.

J.V. Monaco, N. Bakelman, S. Cha, and C.C. Tappert, Developing a Keystroke Biometric System for Continual Authentication of Computer Users, Proc. 2012 European Intelligence and Security Informatics Conf., Odense, Denmark, August 2012, pp 210-216.

C.C. Tappert and Allen Stix, "A Decade Review of a Masters-Level Real-World-Projects Capstone Course," Proc. Info. Systems Educators Conf. (ISECON 2011), Wilmington N.C., Nov 2011.

J.C. Stewart, J.V. Monaco, S. Cha, and C.C. Tappert, "An Investigation of Keystroke and Stylometry Traits," Proc. Int. Joint Conf. Biometrics (IJCB 2011), Washington D.C., Oct 2011.

C.C. Tappert and Allen Stix, "Project management and assessment of distributed teams in an online capstone masters-level information technology course," Proc. 6th Int. Conf. e-Learning, Kelowna, Canada, June 2011.

C. Nwosisi, S. Cha, Y. An, C.C. Tappert and E. Lipsitz, "Constructing Binary Decision Trees for Predicting Deep Venous Thrombosis," Proc. Int. Conf. Software Technology and Engineering, San Juan, Puerto Rico, vol 1, pp 121-124, Oct 2010.

R.S. Zack, C.C. Tappert and S.-H. Cha, "Performance of a Long-Text-Input Keystroke Biometric Authentication System Using an Improved k-Nearest-Neighbor Classification Method," Proc. IEEE 4th Int Conf Biometrics: Theory, Apps, and Systems (BTAS 2010), Washington, D.C., Sep 2010.

S. Cha, Y. An, and C.C. Tappert, "ROC Curves for Multivariate Biometric Matching Models," Proc. Int. Conf. Artificial Intelligence and Pattern Recognition, Orlando, Florida, July 2010.

C.C. Tappert and A. Stix, "Assessment of Student Work on Geographically Distributed Information Technology Project Teams," Proc. E-Learn 2009, Vancouver, Canada, Oct 2009.

S. Choi, S. Cha, and C.C. Tappert, "Correlation Analysis of Binary Similarity and Distance Measures on Different Binary Database Types," Proc. Int Conf Artificial Intelligence and Pattern Recognition (AIPR 2009), Orlando, Florida, July 2009.

S. Choi, S. Cha, and C. Tappert, "A Survey of Binary Similarity and Distance Measures," Proc. 13th World Multiconference on Systemics, Cybernetics and Informatics (WMSCI 2009), Orlando, Florida, July 2009.

C.C. Tappert and A. Stix, "Pedagogical Issues in Managing Information Technology Projects Conducted by Geographically Distributed Student Teams," Proc. Soc. IT & Teachers Educ. Conf. (SITE 2009), Charleston, South Carolina, March 2009.

S. Cha and C. Tappert, "Constructing Binary Decision Trees Using Genetic Algorithm," Proc. 2008 Int. Conf. Genetic & Evolutionary Methods (GEM 2008), Las Vegas, Nevada, July 2008.

C.C. Tappert, A. Stix, and S. Cha, "The Interplay of Student Projects and Student-Faculty Research," Proc. E-Learn 2007, Quebec City, Canada, Oct 2007, pp 325-330.

C. E. Abrams, S. Cha, and C. C. Tappert, "Analyzing Shape Context using the Hamiltonian Cycle," Proc. 7th IAPR Int. Workshop Graphics Recognition, Curitiba, Brazil, Sep 2007.

C.C. Tappert and J.R. Ward, "Pen-Centric Shorthand Handwriting Recognition Interfaces," Proc. 1st Int. Workshop on Pen-Based Learning Technologies, Catania, Italy, May 2007.

C.C. Tappert, M. Villani, M. Curtin, G. Ngo, J. Simone, H. St. Fort, and S. Cha, "Keystroke Biometric Recognition Studies on Long-Text Input over the Internet," Proc. 23rd International Biometric Conf., Montréal, Canada, July 2006.

C.E. Abrams, S. Cha, and C.C. Tappert, "Shape Matching with Ordered Boundary Points Using a Least-Cost Diagonal Method," Proc. Int. Conf. Image Processing, Computer Vision, & Pattern Recognition (IPCV 2006), Las Vegas, June 2006.

M. Curtin, C.C. Tappert, M. Villani, G. Ngo, J. Simone, H. St. Fort, and S. Cha, "Keystroke Biometric Recognition on Long-Text Input: A Feasibility Study," Proc. Int. Workshop Sci Comp/Comp Stat (IWSCCS 2006), Hong Kong, June 2006.

M. Villani, C.C. Tappert, G. Ngo, J. Simone, H. St. Fort, and S. Cha, "Keystroke Biometric Recognition Studies on Long-Text Input under Ideal and Application-Oriented Conditions," Proc. CVPR 2006 Workshop on Biometrics, New York, NY, June 2006.

C.C. Tappert and S. Cha, "Recent Security-Related Research and Projects in CSIS at Pace University," Proc. HTCIA 05 Northeast Regional Conf., Pace Univ., NYC, November 2005.

S. Yoon, S. Choi, S. Cha, Y. Lee, and C.C. Tappert, "On the Individuality of the Iris Biometric," Proc. ICIAR 05, Toronto, Canada, September 2005.

S. Yoon, S. Cha, and C.C. Tappert, "On Binary Similarity Measures for Handwritten Character Recognition," Proc. ICDAR 05, Seoul, Korea, August 2005.

S. Yoon, S. Choi, S. Cha, and C.C. Tappert, "Writer Profiling Using Handwriting Copybook Styles," Proc. ICDAR 05, Seoul, Korea, August 2005.

M. Gibbons, S. Yoon, S. Cha, and C.C. Tappert, "Biometric Identification Generalizability," Proc. Audio- and Video-based Biometric Person Authentication, Rye Brook, NY, July 2005.

S. Yoon, S. Choi, S. Cha, Y. Lee, and C.C. Tappert, "Combining Multiple Iris Biometric Verifiers," Proc. The 9th World Multi-Conference on Systemics, Cybernetics and Informatics, Orlando, FL, July 2005.

B. Ahmed, S. Cha, and C.C. Tappert, "Nationality Identification from Names Using N-Gram Based Cumulative Frequency Addition," Proc. The 9th World Multi-Conference on Systemics, Cybernetics and Informatics, Orlando, FL, July 2005.

W. Huber, V. Hanson, S. Cha, C.C. Tappert, "Common Chatroom Abbreviations Speed Pen Computing," Proc. 11th International conference on Human-Computer Interaction, Las Vegas, NV, July 2005.

M. Manfredi, S. Cha, S. Yoon, and C.C. Tappert, "Similarity-Based Copybook Style Analysis Using Pseudo-Online Handwriting," Proc. 12th Conference of the International Graphonomics Society, Salerno, Italy, June 2005.

G. Bishop, S. Cha, and C.C. Tappert, "Identification of Pottery Shapes and Schools Using Image Retrieval Techniques," Proc. MCSCE, CISST, Las Vegas, NV, June 2005.

J. Galatti, S. Cha, M. Gargano, and C.C. Tappert, "Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge," Proc. MCSCE, ICAI, Las Vegas, NV, June 2005.

G. Bartolacci, M. Curtin, M. Katzenberg, N. Nwana, S. Cha, and C.C. Tappert, "Applying Keystroke Biometrics for User Verification and Identification," Proc. MCSCE, MLMTA, Las Vegas, NV, June 2005.

M. Gibbons, S. Yoon, S. Cha, and C.C. Tappert, "Analyzing Open Biometric Identification Systems," Proc. MCSCE, MLMTA, Las Vegas, NV, June 2005.

A. Evans, J. Sikorski, P. Thomas, S.-H. Cha, C. Tappert, J. Zou, A. Gattani, and G. Nagy, Computer Assisted Visual Interactive Recognition (CAVIAR) Technology, Proc. 2005 Electro/Information Technology (EIT) Conference, EIT 2005, Lincoln, NE, May 2005.

G. Bishop, S.-H. Cha, and C. Tappert, "Identification of Pottery Shapes and Schools Using Image Retrieval Techniques," Proc. Computer Applications in Archeology, CAA 2005, Tomar, Portugal, March 2005.

T. Lombardi, S.-H. Cha, and C. C. Tappert, "Lightweight Image Retrieval System for Paintings," Proc. Storage and Retrieval Methods and Applications for Multimedia, paper 5682-24, Electronic Imaging 2005, San Jose, CA, January 2005.

S.-H. Cha, S. Yoon, and C.C. Tappert, "Computer Assisted Handwriting Style Identification in Questioned Document Examination," Proc. Investigative Image Processing III, paper 5685-25, Electronic Imaging 2005, San Jose, CA, January 2005.

C.C. Tappert and S.-H. Cha, "Security-Related Research and Projects in Computing Promote Student Awareness of Security Issues," Proc. ISECON 2004, Newport, RI, November 2004.

W.B. Huber, S.-H. Cha, C.C. Tappert, and V.L. Hanson, "Use of Chatroom Abbreviations and Shorthand Symbols in Pen Computing," Proc. 9th Int Workshop on Frontiers in Handwriting Recognition, IWFHR 2004, Tokyo, Japan, October 2004.

T. Lombardi, S.-H. Cha, and C. Tappert, "A Graphical User Interface for a Fine-Art Painting Image Retrieval System," Proc. 6th ACM SIGMM Int. Workshop on Multimedia Information Retrieval, New York, NY, October 2004.

E. Hart, S.-H. Cha, and C. Tappert, "Interactive Flag Identification Using a Fuzzy-Neural Technique," Proc. 6th ACM SIGMM Int. Workshop on Multimedia Information Retrieval, New York, NY, October 2004.

I. Stuart, S.-H. Cha and C.C. Tappert, A Neural Network Classifier for Junk E-Mail, pp. 442-450, in Lecture Notes in Computer Science, Vol. 3163: Document Analysis Systems VI (Proc. 6th Int. DAS Workshop, Florence, Italy, September 2004), S. Marinai and A. Dengel (Eds.), Springer-Verlag, 2004.

C.C. Tappert and S.-H. Cha, "The Interplay of Research and Project Activities in Computing," Proc. Int. Symposium on Research Methods, New York, NY, August 2004.

E. Hart, S.-H. Cha, and C. Tappert, "Interactive Flag Identification using Image Retrieval Techniques," Proc. MCSCE 2004 CISST, Las Vegas, NV, June 2004.

S.-S. Choi, S. Yoon, S.-H. Cha, and C.C. Tappert, "Use of Histogram Distances in Iris Authentication," Proc. MCSCE 2004 MLMTA, Las Vegas, NV, June 2004.

H.-C. Chen, S.-H. Cha, Y.-M. Chee, and C.C. Tappert, "The Detection of Forged Handwriting Using a Fractal Number Estimate of Wrinkliness," Proc. 11th Int. Graphonomics Soc. Conf. (IGS 2003), Scottsdale, AZ, November 2003, pp. 312-315.

S.-H. Cha, C.C. Tappert, and S.N. Srihari, "Optimizing binary feature vector similarity measure using genetic algorithm and handwritten character recognition," Proc. Int. Conf. Document Analysis and Recognition (ICDAR 2003), Edinburgh, Scotland, August 2003, pp. 662-665.

S.K. Kalia, C.C. Tappert, A. Stix, and F. Grossman, "A Pervasive Computing Solution to Asset, Problem and Knowledge Management," Proc. E-Learn 2002 World Conf. on E-Learning in Corporate, Government, Healthcare, and Higher Ed., Montreal, Canada, October 2002.

C.C. Tappert, "Students Develop Real-World Web and Pervasive Computing Systems," Proc. E-Learn 2002 World Conf. on E-Learning in Corporate, Government, Healthcare, and Higher Ed., Montreal, Canada, October 2002.

Z. Trabelsi, S.-H. Cha, D. Desai, and C.C. Tappert, "A Voice and Ink XML Multimodal Architecture for Mobile e-Commerce Systems," Proc. 2nd ACM Int. Workshop on Mobile Commerce, Atlanta, GA, September 2002.

J. Law, Z.-H. Wang, and C. Tappert, "Data-Fusion of Static and Delta Cepstral Scores with Application to Language Detection," Proc. Int. Conf. Speech Processing 2002, Beijing, China, August 2002.

S.-H. Cha and C.C. Tappert, "Automatic Detection of Handwriting Forgery," Proc. 8th Int. Workshop Frontiers Handwriting Recognition (IWFHR-8), Niagara, Canada, August 2002, pp. 264-267.

J. Law, Z.-H. Wang, and C. Tappert, "Corpus Collection Framework Using VoiceXML," Proc. AVIOS Speech Expo'2002 (21st Annual Conf. of Applied Voice Input/Output Society), San Jose, CA, May 2002, pp. 287-297.

Z. Trabelsi, C. Tappert, and D. Desai, "Integrated VoiceXML and InkXML Gateway", Proc. AVIOS Speech Expo'2002 (21st Annual Conf. of Applied Voice Input/Output Society), San Jose, CA, May 2002, pp. 315-319.

S.M. Merritt, F. Grossman, C. Tappert, J. Bergin, H. Blum, R. Frank, D. Sachs, A. Stix, and S. Varden, "The Doctor of Professional Studies in Computing: An Innovative Professional Doctoral Program," Proc. 19th Annual Information Systems Educational Conference, ISECON 2001, Novenber 2001.

C.C. Tappert, A.S.Ruocco, K.A. Langdorf, F.J. Mabry, K.J. Heineman, T.A. Brick, D.M. Cross, S.V. Pellissier, and R.C. Kaste, "Wearable Computers: Military Application Areas and Cadet/Faculty Projects," Proc. Fifth Annual U.S. Army ARL/USMA Technical Symposium, pp. 219-237, October 1997.

M.A. Johnson, F.J. Mabry, and C.C. Tappert, "Systems Design in the CS Curriculum at West Point," Proc. Sterling Software's Enterprise Strategies '97 Conference, May 1997.

C.C. Tappert, "Military potential of handheld computers," Proc. Fourth Annual U.S. Army ARL/USMA Technical Symposium, pp. 99-110, November 1996.

T.E. Chefalas, J. Kim, and C.C. Tappert, "The IBM ThinkWrite handwriting recognizer," Basic and Applied Issues in Handwriting and Drawing Research: Proc. Seventh Biennial Conf. of Int. Graphonomics Society and Annual Symposium of Assoc. Forensic Document Examiners, London, Ontario, pp. 30-31, Aug 1995.

C.C. Tappert, "Online handwriting recognition with hidden Markov models," Proc. Fifth Handwriting Conf. of the Int. Graphonomics Society, pp. 204-206, Tempe, Arizona, October 1991.

T. Fujisaki, C.C. Tappert, M. Ukelson, and C.G. Wolf, "Online recognition of run-on handwriting," Proc. Int. Workshop on Frontiers in Handwriting Recognition, Chateau de Bonas, France, pp. 205-216, September 1991.

T. Fujisaki, T.E. Chefalas, J. Kim, and C.C. Tappert, "Online recognizer for run-on and printed characters," Proc. IEEE 10th Int. Conf. on Pattern Recognition, pp. 450-454, Atlantic City, NJ, June 1990.

C.C. Tappert, "Rationale for adaptive online handwriting recognition," Proc. Int. Workshop on Frontiers in Handwriting Recognition, pp. 13-22, Montreal, Canada, April 1990.

C.C. Tappert, "A survey of online handwriting recognition," Neural Networks for Computing Conf., Snowbird, Utah, April 1990.

C.C. Tappert, C.Y. Suen, and T. Wakahara, "On-line handwriting recognition -- a survey," Proc. IEEE 9th Int. Conf. on Pattern Recognition, pp. 1123-1132, Rome, Italy, November 1988.

A.S. Fox and C.C. Tappert, "On-line external word segmentation for handwriting recognition," Proc. Third Int. Symposium on Handwriting and Computer Applications, Montreal, July 1987.

C.C. Tappert, et al., "Handwriting recognition on transparent tablet over flat display," 1986 Int. Society for Information Display Symposium Digest of Technical Papers, pp. 308-312, May 1986.

Stanley Alphonso, Imran Afzal, Anand Phadake, Putta Reddy Shankar, and Charles Tappert, "Human Visual System Neural Network," Proc. CSIS Research Day, Pace University, NY, May 2010.

SeethaRam Janapala, Shiladitya Roy, Jackson John, Luca Columbu, Joseph Carrozza, Robert Zack, and Charles Tappert, "Refactoring a Keystroke Biometric System," Proc. CSIS Research Day, Pace University, NY, May 2010.

Robert Zack, Abhishek Kanchan, Priyanka Ranadive, Sagar Desai, Pooja Mahotra, Ning Wang, and Charles Tappert, "Keystroke Biometric: Receiver Operating Characteristics (ROC) Experiments," Proc. CSIS Research Day, Pace University, NY, May 2010.

Ana C. Caicedo, Kevin Chan, David A. Germosen Sandeep Indukuri, Mudassar N. Malik, Deepthi Tulasi, Max C. Wagner, Robert S. Zack, and Charles Tappert "Keystroke Biometric: Data/Feature Experiments," Proc. CSIS Research Day, Pace University, NY, May 2010.

Fred Grossman, Charles Tappett, Joe Bergin, and Susan M. Merritt, "The DPS in Computing - The First Ten Years," CSIS Technical Report 272, March 2010.

Westchester CS Faculty, "Security Programming Problem-Solving: Putting More Security into the Curriculum Westchester CS Faculty," CSIS Technical Report 270, January 2010.

Robert S. Zack, Charles C. Tappert, Sung-Hyuk Cha, J. Aliperti, A. Amatya, T. Mariutto, A. Shah, and M. Warren, "Obtaining Biometric ROC Curves from a Non-Parametric Classifier in a Long-Text-Input Keystroke Authentication Study," CSIS Technical Report 268, November 2009.

Sung-Hyuk Cha, Charles C. Tappert, "ROC Curves for Multivariate Biometric Matching Models," CSIS Technical Report 267, October 2009.

Charles C. Tappert and Jean R. Ward, "Shorthand Handwriting Recognition for Pen-Centric Interfaces," Proc. CSIS Research Day, Pace University, NY, May 2007.

Jim Rennard and Charles Tappert, "A Web-Based Genealogy System," Proc. CSIS Research Day, Pace University, NY, May 2007.

Carl E. Abrams, Sung-Hyuk Cha, and Charles C. Tappert, "Analyzing Shape Context Using the Hamiltonian Cycle," CSIS Technical Report 228, July 2006.

Mary Curtin , Charles Tappert, Mary Villani, Giang Ngo, Justin Simone, Huguens St. Fort, and Sung-Hyuk Cha, "Keystroke Biometric Recognition on Long-Text Input: A Feasibility Study," Proc. CSIS Research Day, Pace University, NY, May 2006.

Mary Villani, Charles Tappert, Giang Ngo, Justin Simone, Huguens St. Fort, and Sung-Hyuk Cha, "Keystroke Biometric Recognition Studies on Long-Text Input under Ideal and Application-Oriented Conditions," Proc. CSIS Research Day, Pace University, NY, May 2006.

Sung-Hyuk Cha and Charles C. Tappert, "Assessing the Discriminatory Power of Biometric Verifiers," Proc. CSIS Research Day, Pace University, NY, May 2006.

Carl E. Abrams, Sung-Hyuk Cha, and Charles C. Tappert, "Shape Matching with Ordered Boundary Points Using a Least-Cost Diagonal Method," Proc. CSIS Research Day, Pace University, NY, May 2006.

Susan M. Merritt, Fred Grossman, and Charles C. Tappert, "The D.P.S. in Computing Program - A View from the Start and An Assessment Following Its Fifth Year," CSIS Technical Report 219, October 2005.

John Galatti, Sung-Hyuk Cha, Michael Gargano and Charles Tappert, "Applying Artificial Intelligence Techniques to Problems of Incomplete Information: Optimizing Bidding in the Game of Bridge," Proc. CSIS Research Day, Pace University, NY, May 2005.

Gulsebnem Bishop, Sung-Hyuk Cha and Charles Tappert, "A Greek Pottery Shape and School Identification and Classification System Using Image Retrieval Techniques," Proc. CSIS Research Day, Pace University, NY, May 2005.

Bashir Ahmed, Sung-Hyuk Cha and Charles Tappert, "Detection of Foreign Entities in Native Text Using N-gram Cumulative Frequency Addition," Proc. CSIS Research Day, Pace University, NY, May 2005.

Carl E. Abrams, Sung-Hyuk Cha, Michael Gargano, and Charles Tappert, "Semantic Geometric Features: A Preliminary Investigation of Automobile Identification," Proc. CSIS Research Day, Pace University, NY, May 2005.

Mary L. Manfredi, Sung-Hyuk Cha, Sungsoo Yoon and Charles C. Tappert, "Handwriting Copybook Style Analysis of Pseudo-Online Data," Proc. CSIS Research Day, Pace University, NY, May 2005.

Gary Bartolacci, Mary Curtin, Marc Katzenberg, Ngozi Nwana, Sung-Hyuk Cha and Charles Tappert, "Long-Text Keystroke Biometric Applications over the Internet," Proc. CSIS Research Day, Pace University, NY, May 2005.

Michael Gibbons, Sungsoo Yoon, Sung-Hyuk Cha and Charles Tappert, "On Evaluating Open Biometric Identification Systems," Proc. CSIS Research Day, Pace University, NY, May 2005.

Sung-Hyuk Cha, Sungsoo Yoon, and Charles C. Tappert, "Enhancing Binary Feature Vector Similarity Measures," CSIS Technical Report 210, January 2005.

Eduardo K. Hart, Sung-Hyuk Cha, and Charles C. Tappert, "Interactive Flag Identification Using Image Retrieval Techniques," CSIS Technical Report 203, July 2004.

Ian Stuart, Sung-Hyuk Cha, and Charles Tappert, "A Neural Network Classifier for Junk E-Mail," Proc. CSIS Research Day, Pace University, NY, May 2004.

Seung-Seok Choi, Sungsoo Yoon, Sung-Hyuk Cha, and Charles Tappert, "Use of Histogram Distances in Iris Authentication," Proc. CSIS Research Day, Pace University, NY, May 2004.

Eduardo Hart, Sung-Hyuk Cha, and Charles Tappert, "Interactive Flag Identification Using a Fuzzy Neural Technique," Proc. CSIS Research Day, Pace University, NY, May 2004.

P. Naresh Trilok, Sung-Hyuk Cha, and Charles C. Tappert, "Establishing the Uniqueness of the Human Voice for Security Applications," Proc. CSIS Research Day, Pace University, NY, May 2004.

William B. Huber, Sung-Hyuk Cha, Charles C. Tappert, and Vicki L. Hanson, "Use of Chatroom Abbreviations and Shorthand Symbols in Pen Computing," Proc. CSIS Research Day, Pace University, NY, May 2004.

Bashir Ahmed, Sung-Hyuk Cha, and Charles Tappert, "Language Identification from Text Using N-gram Based Cumulative Frequency Addition," Proc. CSIS Research Day, Pace University, NY, May 2004.

Arthur Evans, John Sikorski, Patricia Thomas, Jie Zou, George Nagy, Sung-Hyuk Cha, Charles Tappert, "Interactive Visual System," CSIS Technical Report 196, December 2003.

C.C. Tappert, "Students develop real-world computer information systems," CSIS Technical Report 182, October 2002.

H.G. Park, J.M. Pastore, Jr., and C.C. Tappert, “Wireless technologies in pre-hospital communications: an analysis for Northern Westchester Hospital,” CSIS Technical Report 176, May 2002.

C.C. Tappert and P.H. Mosley, "Recent advances in pen computing," Pace University Technical Report 166, August 2001.

B. Thomas, J. Coppola, C. Tappert, and C. Hernandez, "Critical Thinking: Technology, Interaction and Student Thinking Skills," Teaching, Learning and Technology Roundtable Conference, Pace University, May 2001.

C.C. Tappert, "Online character recognition by decomposition matching," IBM Research Report RC15478, February 1990.

C.C. Tappert and H.H. Jeanty, "A study of several accuracy-improvement methods for a handwriting recognition system," IBM Research Report RC15373, January 1990.

C.C. Tappert, "Applications of on-line handwriting recognition," IBM Research Report RC14071, October 1988.

C.C. Tappert, "A divide-and-conquer cursive script recognizer," IBM Research Report RC14070, October 1988.

A.S. Fox, J. Kim, and C.C. Tappert, "Prototype management and error correction scenarios," IBM Research Report RC14054, September 1988.

A.S. Fox, J. Kim, and C.C. Tappert, "Reco Machine Interfaces," IBM Research Report RC14053, September 1988.

Gave various talks at Pace University: at Breakfast e-Business Seminars, at events for prospective students, at research-related events like CAM Research Day and CSIS Research Day, at School of CSIS reviews, and at assessment visits such as the NYS Distance Learning Assessment.

Gave invited scientific talks at academic institutions, including Concordia University, Brown University, Rensselaer Polytechnic Institute, North Carolina University at Chapel Hill, North Carolina State University, Cornell University, Hong Kong University, and the United States Military Academy at West Point.

Gave invited professional scientific seminars and talks at various companies, including IBM, Apple Computer Corporation, Digital Equipment Corporation, Communications Intelligence Corporation, Radio Corporation of America, Bell Labs, and Westinghouse Corporation. Gave many project-related technical seminars and presentations while employed at IBM Corporation. Gave many talks at meetings and professional organizations while teaching at the United States Military Academy at West Point, including talks at the Department of EE&CS Faculty Professional Development sessions and at IEEE student group meetings.

Gave presentations related to government-contract work at Rome Air Development Center, Air Force Systems Command, Griffiss Air Force Base, Rome, NY.

Gave talks at meetings of rotary clubs and other community organizations.