R. Popp and J. Yen, 21st Century Information Technologies and Enabling Policies for Counter Terrorism, IEEE Press/John Wiley & Sons, Jan 2006 (in press).
J. Yen, R. Popp, G. Cybenko, K. A. Taipale, Latanya Sweeney, and Paul Rosenzweig, Homeland Security, IEEE Intelligent Systems, Vol. 20, No. 5, 2005.
P. Kogut, J. Yen, Y. Leung, S. Sun, R. Wang, T. Mielczarek, and B. Hellar (2004). Proactive Information Gathering for Homeland Security Teams. Communications of the ACM, Volume 47, No. 3, pp. 48-50, 2004.
X. Fan, J. Yen. Conversation Pattern-based Anticipation of Teammates’ Information Needs Via Overhearing. In Proceedings of the IEEE/WIC Intelligent Agent Technology conference (IAT-05), pages 316—322. France, Sept. 19-22, 2005.
X. Fan, J. Yen, M. Miller, T. Ioerger, and R. Volz. MALLET—An Multi-agent Logic Language for Encoding Teamwork, IEEE Transaction on Knowledge and Data Engineering, Vol 18, No. 1, pp 123-138 , 2005.
X. Fan, J. Yen. The Semantics of Potential Intentions. In Proceedings of the Twentieth National Conference on Artificial Intelligence (AAAI-05), 71--76. Menlo Park, Calif.: AAAI Press.
X. Fan, B. Sun, S. Sun, M. McNeese, J. Yen, R. Jones, T. Hanratty, and L. Allender. RPD-Enabled Agents Teaming with Humans for Multi-Context Decision Making. In Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multi Agent Systems (AAMAS’06), accepted, May 8-12, Japan, 2006.
Xi. Fan, R. Wang, B. Sun, S. Sun, and J. Yen. Multi-Agent Information Dependence. In Proceedings of the 2005 IEEE International conference on Integration of Knowledge Intensive Multi-Agent Systems, pages 41—46, Waltham, Massachusetts, April 18-21, 2005.
X. Fan, S. Sun, and J. Yen. On Shared Situation Awareness for Supporting Human Decision-making Teams. In 2005 AAAI Spring Symposium on AI Technologies for Homeland Security, pages 17—24, Stanford University, March 21-23, 2005.
X. Fan, S. Sun, B. Sun, G. Airy, M. McNeese, J. Yen. Collaborative RPD-Enabled Agents Assisting the Three-Block Challenge in Command and Control in Complex and Urban Terrain, In Proceedings of 2005 Conference on Behavior Representation in Modeling and Simulation (BRIMS), pp. 113-123, Universal City, CA, May 16-19, 2005.
X. Fan, S. Sun, M. McNeese, and J. Yen, Extending Recognition-Primed Decision Model For Human-Agent Collaboration. in Proceedings of The Fourth International Joint Conference on Autonomous Agents and Multi Agent Systems (AAMAS 2005), pp. 945-952, The Netherlands, 2005.
S. Sun and J. Yen, Information Supply Chain: A Unified Framework for Information-Sharing. In Intelligence and Security Informatics: IEEE International Conference on Intelligence and Security Informatics, ISI 2005, pp. 422-448, Atlanta, GA, May 19-20, 2005.
Xi. Fan, J. Yen, R. Wang, S. Sun, and R. A. Volz. Context-Centric Proactive Information Delivery. In Proceedings of the 2004 IEEE/WIC Intelligent Agent Technology conference, pages 31—37, Beijing, China, October, 2004.
X. Fan, J. Yen. Modeling and Simulating Human Teamwork Behaviors Using Intelligent Agents. Journal of Physics of Life Reviews, Vol. 1, No. 3, pp. 173-201, December, 2004.
J. Yen, X. Fan, and R. A., Volz. Information-needs in Agent Teamwork. Web Intelligence and Agent Systems: An International Journal, Vol.2, No.4, pp 231-247, 2004.
J. Yen, Emerging Technologies for Homeland Security, Communications of the ACM, Volume 47, No. 3, pp. 33-35, 2004.
X. Fan, J. Yen, K. Umapathy, S. Purao. An agent-based approach for interleaved Composition and execution of Web Services, 23rd International Conference on Conceptual Modeling(ER2004), pages 582—595, November, 2004.
X. Fan, J. Yen, K. Umapathy, S. Purao. Team-based Agents for Proactive Failure Handling in Dynamic Composition of Web Services, in Proceedings of 2004 IEEE International Conference on Web Services, pp 782-785, July, 2004, San Diego, CA.
H. Lim and J. Yen, Preliminary Study of Attention Control Modeling in Complex Skill Training Environments, in Proceedings of 17th Conference of the Canadian Society for Computational Studies of intelligence, Canadian AI 2004, May 2004, London, Ontario, Canada.
T. Mullen, S. Sun, M. Levi, J. Bagby, V. Avasarala, and J. Yen. Implications of Agent-based Supply Chain Games. Accepted by IEEE SMC 2004, International Conference on Systems, Man and Cybernetics. October 10-13, 2004 The Hague, The Netherlands.
J. Yen, X. Fan, S. Sun, M. McNeese, and D. Hall. Supporting Anti-terrorist Analyst Teams Using Agents with Shared RPD Process. To appear in Proceedings of IEEE International Conference on Computational Intelligence for Homeland Security and Personal Safety (CIHSPS2004). Venice, Italy, 21-22, July 2004.
J. Yen, X. Fan, and R. A., Volz. Proactive Communications in Agent Teamwork, Advances in Agent Communication (F. Dignum, Ed., LNAI-2922), Springer, pages 271-290, 2004.
X. Fan, J. Yen, M. S. Miller, and R. A. Volz. The Semantics of MALLET - An Agent Teamwork Encoding Language, 2004 AAMAS workshop on Declarative Agent Languages and Technologies, (accepted), July 19-23, 2004, New York City, NY.
S. Sun, V. Avasarala, T. Mullen, and J. Yen. PSUTAC: A Trading Agent Designed from Heuristics to Knowledge. Workshop on Trading Agent Design and Analysis (Co-located with the Trading Agent Competition) at AAMAS'04, (accepted), July 19-23, 2004, New York City, NY.
S. Sun, I. Councill, X. Fan, F. E. Ritter, and J. Yen. Comparing Teamwork Modeling in an Empirical Approach. Accepted as a poster to the 6th International Conference on Cognitive Modeling, Pittsburgh, PA, July 30 - Aug 1, 2004.
J. Yen, X. Fan, S. Sun, T. Hanratty, and J. Dumer, Agents with Shared Mental Models for Enhancing Team Decision-Makings, in Decision Support Systems (Special issue on Intelligence and Security Informatics), Vol. 41, No. 3, pp 634-653, 2006.
X. Fan, J. Yen, A Logical Splitting Strategy for the Belief Structure of Agents, in Journal of Applied Non-Classical Logics, Volume 13, No. 2, pp 199-221, 2003.
J. Yen, X. Fan, and R. A. Volz, On Need-driven Proactive Information Exchanges in Agent Teams, in Proceedings of The 2003 IEEE/WIC International Conference on Intelligent Agent Technology (IAT2003), Oct. 13-17, 2003, Halifax, Canada.
J. Yen, X. Fan, S. Sun, R. Wang, C. Chen, K. Kamali, M. Miller, R. A. Volz, Formal Semantics and Communication Strategies for Proactive Information Delivery Among Team-based Agents, in Proceedings of AAMAS'03, July 14--18, 2003, Melbourne, Australia.
D. L. Hall, L. Giles, M. Mcneese, J. Yen, and R. Young, User-Centric, Multi-INT Fusion for Homeland Defense, in Proceedings of the 2003 MSS National Symposium on Sensor and Data Fusion, San Diego, CA, June, 2003.
J. Yen, X. Fan, S. Sun, R. Wang, C. Chen, K. Kamali, M. Miller, and R. A. Volz, On Modeling and Simulating Agent Teamwork in CAST, in Proceedings of the Second International Conference on Active Media Technology, pp. 18-33, Chongqing, P R China, May 29-31 2003.
T. Hanratty, J. Dumer, J. Yen, and X. Fan, Using Agents with Shared Mental Model to Support Objective Force, in Proceedings of the 7th World Multiconference on Systemics, Cybernetics and Informatics (SCI 2003), Orlando, USA, July 27-30, 2003.
J. Yen, X. Fan, and R. A. Volz, Proactive Information Exchanges Based on the Awareness of Teammates' Information Needs, in Working Notes of AAMAS 2003 Workshop on Agent Communication Languages and Communication Policies, Melbourne, Australia, July 2003.
D. Xu, R. A. Volz, T. R. Ioerger, and J. Yen, Modeling and Verifying Multi-Agent Behaviors Using Predicate/Transition Nets, International Journal of Software Engineering and Knowledge Engineering, vol. 13, pp. 103-124, 2003.
J. Yen, X. Fan, and R. A. Volz, On Proactive Delivery of Information to Needed Teammates, in Working Notes of AAMAS 2002 Workshop on Teamwork and Coalition Formation, Bologna, Italy, July 2002.
J. Yen, J. Yin, T.R. Ioerger, M. Miller, D. Xu, and R.A. Volz, CAST: Collaborative Agents for Simulating Teamwork. in Proceedings of the Seventeenth International Joint Conference on Artificial Intelligence (IJCAI-01), Seattle, WA, pp. 1135-1142, August 2001.
J. Yin, M. S. Miller, T. R. Ioerger, J. Yen, and R. A. Volz, A Knowledge-based Approach for Designing Intelligent Team Training Systems, in Proceedings of the Fourth International Conference on Autonomous Agents (Agents 2000), Barcelona, Spain, pp. 427-434, June 3-7, 2000.
M. Miller, J. Yin, R.A. Volz, T.R. Ioerger, and J. Yen, Training Teams with Collaborative Agents. in Proceedings of the Fifth International Conference on Intelligent Tutoring Systems, (ITS-2000) , pp. 63-72, June 2000.
Taskable Agents for Modeling Battle Staff Team in Tactical Operations Center
Y. Zhang, L. He, K. Biggers, J. Yen, and T.R. Ioerger, Simulating Teamwork and Information Flow in Tactical Operations Centers using Multi-Agent Systems. in Proceedings of the Tenth Conference on Computer Generated Forces and Behavioral Representation (10th CGF), Norfolk, VA, pp. 529-539, May 2001.
Y. Zhang, K. Biggers, L. He, S.K. Reddy, D. Sepulvado, J. Yen, and T.R. Ioerger, A Distributed Intelligent Agent Architecture for Simulating Aggregate-Level Behavior and Interactions on the Battlefield. in Proceedings of the Fifth World Multi-Conference on Systemics, Cybernetics, and Informatics (SCI-2001), Orlando, FL, pp. 58-63, July 2001.
T. R. Ioerger, R. A. Volz, and J. Yen, Modeling Cooperative, Reactive Behaviors on the Battlefield Using Intelligent Agents. in Proceedings of the Ninth Conference on Computer Generated Forces (9th CGF) , pp. 13-23, 2000.
D. H. Widyantoro, J. Yin, M. Seif El-Nasr, L. Yang, A. Zacchi, and J. Yen, Alipes: A Swift Messenger in Cyberspace, in Proceedings of 1999 AAAI Spring Symposium on Intelligent Agents in Cyberspace, Stanford, CA, March 22-24, 1999.
M. S. El-Nasr, J. Yen, and T. Ioerger, FLAME - Fuzzy Logic Adaptive Model of Emotions, International Journal of Autonomous Agents and Multi-Agent Systems , Vol 3, No. 3, pp. 1-39, 2000.
M. Seif El-Nasr, T. R. Ioerger, J. Yen, D.H. House, and F. I. Parke, Emotionally Expressive Agents, in Proceedings of Computer Animation 99, Geneva, May 26-28, 1999. Copyright 1999 by IEEE. Reprinted, with permission, from the Proceedings of Computer Animation '99. Geneva, Switzerland, May 1999. This material is posted here with permission of the IEEE. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by sending a blank email message to info.pub.permission@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
M. Seif El-Nasr, T. R. Ioerger, and J. Yen, PETEEI: A PET with Evolving Emotional Intelligence, in Proceedings of the Third Autonomous Agent Conference (AA-99), Seattle, Washington, May 1-5, 1999. ACM Student Paper Award
J. Yin, M. Seif El-Nasr, L. Yang, and J. Yen, Incorporating Personality into a Multi-Agent Intelligent System for Training Teachers, in Proc. 4th International Conference on Intelligent Tutoring Systems (ITS '98), pp. 484-493, San Antonio, TX, Aug 17-19, 1998.
J. Yen and N. Pfluger A Fuzzy Logic Based Extension to Payton and Rosenblatt's Command Fusion Method for Mobile Robot Navigation, IEEE Transactions on Systems, Man, and Cybernetics, Vol 25, No 6, pp. 971-978, June, 1995.
D. Widyantoro and J. Yen, Relevant Data Expansion for Learning Concept Drift from Sparsely Labeled Data, accepted by IEEE Transactions on Knowledge and Data Engineering, 2004.
Widyantoro, D.H., Ioerger, T.R., & Yen, J. (2003). Tracking Changes in User Interests with a Few Relevance Judgments. In Proceedings of the Twelfth ACM International Conference on Information and Knowledge Management, pp. 548-551.
D. Widyantoro, T. R. Ioerger, and J. Yen, An Incremental Approach to Building a Cluster Hierarchy, in Proceedings of the 2002 IEEE International Conference on Data Mining (ICDM02), Maebashi City, Japan, Dec. 2002.
D. H. Widyantoro and J. Yen,A Fuzzy Ontology-based Abstract Search Engine and Its User Studies, in Proc. 10th IEEE Int. Conf. on Fuzzy Systems, Melbourne, Australia, December 2-5, 2001.
D.H. Widyantoro and J. Yen, Using Fuzzy Ontology for Query Refinement in a Personalized Abstract Search Engine, in Proc. of Joint 9th IFSA World Congress and 20th NAFIPS International Conference, Vancouver, Canada, July 25-28, 2001.
D. H. Widyantoro, T. R. Ioerger, and J. Yen, Learning User Interest Dynamics with a Three-Descriptor Representation, Journal of the American Society of Information Science and Technology (JASIST) , Vol 52, No. 3, pp. 212-225, 2001.
D. H. Widyantoro and J. Yen, A Fuzzy Similarity Approach in Text Classification Task, in Proceedings of Ninth IEEE Int. Conf. on Fuzzy Systems (FUZZ-IEEE 2000), pp. 653-658, San Antonio, Texas, May 2000.
D. H. Widyantoro, T. R. Ioerger, and J. Yen, An Adaptive Algorithm for Learning Changes in User Interests , in Proceedings of of Eighth International Conference on Information and Knowledge Management (CIKM'99), pp. 405-412, November 2-6, 1999, Kansas City, Missouri.
L Yang, D. Widyantoro, T.R. Ioerger, and J. Yen, Entropy-based Adaptive Genetic Algorithm for Learning Classification Rules. in Proceedings of 2001 IEEE Congress on Evolutionary Computation (CEC), Seoul, Korea, pp. 790-796, May 2001.
L. Yang and J. Yen, An Adaptive Simplex Genetic Algorithm, to appear in Proc. of 2000 Genetic and Evolutionary Computation Conference (GECCO-2000), Las Vegas, July 2000.
L. Yang, J. Yen, A. Rajesh and K. D. Kihm, A supervisory architecture
and hybrid GA for the identifications of complex systems, in Proc. of
1999 Congress on Evolutionary Computation (CEC 99), pp. 862-869, 1999.
J. Yen and B. Lee, A Simplex Genetic Algorithm Hybrid, in Proceedings of the 1997 IEEE International Conference on Evolutionary Computation (ICEC'97), pp. 175-180, Indianapolis, Indiana, April 13-16, 1997.
J. Yen, and L. Wang, Simplifying Fuzzy Rule-based Models Using Orthogonal Transformation Methods, IEEE Transactions on Systems, Man, and Cybernetics, Vol 29: Part B, No. 1, pp. 13-24, Feb 1999.
J. Yen, L. Wang, and W. Gillespie, Improving the Interpretability of TSK Fuzzy Models by Combining Global Learning and Local Learning, IEEE Transactions on Fuzzy Systems, Vol 6, No. 4, pp. 530-537, November 1998.
J. Yen and L. Wang, Application of Statistical Information Criteria for Optimal Fuzzy Model Construction, IEEE Transactions on Fuzzy Systems, Vol. 6, No. 3, pp. 362-372, Aug 1998.
J. Yen and W. Gillespie, Integrating Global and Local Evaluations for Fuzzy Model Identification Using Genetic Algorithms, in Proceedings of the Sixth International Fuzzy Systems Association World Congress (IFSA 95), Sao Paulo, Brazil, July 1995.
G. Hillman, C. Chang, H. Ying, J. Yen, L. Ketonen, and T. A. Kent, A Fuzzy Logic Approach to Identifying Brain Structures in MRI Using Expert Anatomic Knowledge, Computers and Biomedical Research, Vol 32, pp. 503-516, 1999.
G. R. Hillman, C.-W. Chang, H. Ying, T. A. Kent, and J. Yen, Automatic System for Brain MRI Analysis using a Novel Combination of Fuzzy Rule-Based and Automatic Clustering Techniques, in Proceedings of Medical Imaging 1995: Image Processing, M. H. Loew (ed.), SPIE Proc. Vol. 2434 San Diego, February, 1995
J. Yen, C.-W. Chang, A Multi-Prototype Fuzzy c-Means Algorithm, in Proceedings of Second European Congress on Intelligent Techniques and Soft Computing (EUFIT 94), pp 539-543, Aachen, Germany, Sep 20 - 23, 1994
J. Yen, L. Yang, B. Lee and J. C. Liao, "A supervisory simplex-GA approach
for metabolic model optimization", in Proc. of the Genetic and Evolutionary
Computation Conference (GECCO 1999), pp. 750-757, 1999.
B. Lee, L. Yang, J. Yen, and J. Liao, Incorporating Qualitative Knowledge in Enzyme Kinetic Models Using Fuzzy Logic (WORD file), Biotechnology and Bioengineering Journal, Vol. 62, No. 6, pp. 722-729, March 1999.
J. Yen, J. Liao, B. Lee, and D. Randolph, A Hybrid Approach to Modeling Metabolic Systems Using Genetic Algorithms and Simplex Method, IEEE Transactions on Systems, Man, and Cybernetics, Volume 28, Part B, Number 2, pp. 173-191, April 1998.
J. Yen, B. Lee, and J. Liao, Using a Hybrid Genetic Algorithm and Fuzzy Logic for Metabolic Modeling, in Proceedings of the Fourteenth National Conference on Artificial Intelligence (AAAI-96), Porland, Oregon, pp 743-749, August 4-8, 1996.
K. Kamali, L. Jiang, J. Yen and K. W. Wang, "Neuro-fuzzy Learning of Strategies for Optimal Control Problems", in Proc. of the 24th International Conference of NAFIPS, the North American Fuzzy Information Processing Society (NAFIPS 2005), pp 199-204, 2005.
J. K. Strelec, D. C. Lagoudas, M. A. Khan, and J. Yen, Design and Implementation of a Shape Memory Alloy Actuated Reconfigurable Airfoil, in Journal of Intelligent Material Systems and Structures, Vol. 14--- April/May 2003.
J. Yen and R. Langari, Fuzzy Logic: Intelligence, Control, and Information, Prentice Hall, 1999.
J. Yen, R. Langari, and L. A. Zadeh (ed.), Industrial Applications of Fuzzy Logic and Intelligent Systems, IEEE Press, April 1995.
J. Yen, Fuzzy Logic: A Mordern Perspective, IEEE Transactions on Knowledge and Data Engineering, Vol 11, No. 1, January 1999.
J. Yen, P. Bonissone, C. Freksa, D. Dudois, H. Prade, E. Ruspini, R. L. Mantaras, and L. A. Zadeh, Fuzzy Logic and AI, in Proc. 13th Int. J. Conf. on Artificial Intelligence (IJCAI-93), pp. 1673 - 1676, Chambery, France, August 28 - Sept 3, 1993.
J. Yen, N. Pfluger, and R. Langari, A Defuzzification Strategy for a Fuzzy Logic Controller Employing Prohibitive Information in Command Formulation, in Proceedings of IEEE International Conference on Fuzzy Systems (FUZZ-IEEE), pp. 717-723, San Diego, March 1992.
J. Yen Computing a generalized belief function for continuous fuzzy sets, International Journal of Approximate Reasoning, Vol 6, No 1, pp. 1-31, 1992.
J. Yen Generalizing the Dempster-Shafer theory to fuzzy sets, IEEE Transactions on Systems, Man, and Cybernetics , Vol. 20, No. 3, pp. 559-570, May, 1990.
J. Yen, GERTIS: a Dempster-Shafer approach to diagnosing hierarchical hypotheses, Communications of the ACM , Vol 32, No. 5, pp. 573-585, May, 1989.
J. Yen, Can evidence be combined in the Dempster-Shafer theory?, in L. N. Kanal, T. S. Levitt, and J. F. Lemmer (Eds.) Uncertainty in Artificial Intelligence 3, Elsevier Science Publishers, Inc., pp. 63 - 69, 1989.
J. Yen, Implementing evidential reasoning in expert systems, in L. N. Kanal, T. S. Levitt, and J. F. Lemmer (Eds.) Uncertainty in Artificial Intelligence 3, Elsevier Science Publishers, Inc., pp. 333 - 344, 1989.
J. Yen, A reasoning model based on an extended Dempster-Shafer theory, in Proceedings of the Fifth National Conference on Artificial Intelligence (AAAI-86), pp. 125 -131, August 1986. also in Selected Papers on Sensor and Data Fusion, (eds) Firooz A. Sadjadi, SPIE Optical Engineering Press, Vol. MS 124, pp 310 - 316, 1996.
J. Yen and W. Tiao, A Systematic Tradeoff Analysis for Conflicting Imprecise Requirements, in Proceedings of the Third IEEE International Symposium on Requirements Engineering (RE'97), pp. 87-96, January 5-8, 1997.
F. X. Liu and J. Yen, An Analytic Framework for Specifying and Analyzing Imprecise Requirements, in Proceedings of 18th International Conference on Software Engineering (ICSE-18) , Berlin, Germany, pp 60-69, March 25-30, 1996.
J. Yen, X. Liu, and S. H. Teh, A Fuzzy Logic-based Methodology for the Acquisition and Analysis of Imprecise Requirements, International Journal of Concurrent Engineering: Research & Applications, Special Issue on Applications of AI Techniques to Systems Engineering, Vol 2, No. 4, pp. 265-277, December 1994.
J. Yen, X. Liu, and S. H. Teh, The Acquisition, Analysis and Evaluation of Imprecise Requirements for Knowledge-based Systems, in Proceedings of Twelfth National Conference on Artificial Intelligence (AAAI 94) , pp. 541 - 546, Seattle, July 28-Aug2, 1994
J. Lee, J. Yen, and J. Passtor, A Tool for Task-Based Knowledge and Specification Acquisition, International Journal of Intelligent Systems, Vol 9, No 9, pp. 839-851, 1994.
J. Lee and J. Yen Enhancing the Expert Systems Life Cycle Using Task-based Specification Methodology, International Journal of Software Engineering and Knowledge Engineering, pp. 3 - 15, Vol 3, No. 1, March 1993.
J. Yen and J. Lee A Task-based Methodology for Specifying Expert Systems, IEEE Expert, Vol 8, No 1, pp. 8-15, February, 1993.
J. Yen Generalizing Term Subsumption Languages to Fuzzy Logic, in Proc. 12th Int. J. Conf. on Artificial Intelligence (IJCAI-91), pp. 472-477, Sydney, August 1991.
J. Yen, H. Juang, and R. MacGregor Using polymorphism to improve expert system maintainability, IEEE Expert, Vol 6, No 2, pp. 48-55, April, 1991.
J. Yen, R. Neches, and R. MacGregor, CLASP: integrating term subsumption systems and production systems, special issue on Enabling Technology for Artificial Intelligence, IEEE Transactions on Knowledge and Data Engineering, Vol. 3, No. 1, pp. 25-32, March, 1991.
J. Yen, R. Neches and M. Debellis P. Szekely, and P. Aberg, BACKBORD: An implementation of specification by reformulation, J. Sullivan and S. Tyler (Eds) Architectures for Intelligent Interfaces: Elements and Prototypes, ACM Frontier Series, Addison-Wesley Publishing Company, 1991.
J. Yen, A principled approach to reasoning about the specificity of rules, in Proceedings of the Eighth National Conference on Artificial Intelligence (AAAI-90) , pp. 701-707, August 1990.
J. Yen and H. Juang, An AI Programming Paradigm for Designing Maintainable Expert Systems, in M. L. Emrich, M. S. Phifer, B. Huber, M. Zemankova, and Z. Ras (Eds) Methodologies for Intelligent Systems: Selected Papers, ICAIT, Knoxville, pp. 37 - 48, 1990.
J. Yen, R. Neches and M. Debellis, Specification by reformulation: a paradigm for building integrated user support environments, in Proceedings of the Seventh National Conference on Artificial Intelligence (AAAI-88), pp. 814-818, August 1988.
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