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  1. M Orner, O Maksimov, A Kleinerman, C Ortiz, S Kraus. Explaining decisions of agents in mixed-motive games. Proceedings of the AAAI Conference on Artificial Intelligence 39 (22), 2025.

  2. N Lenke, J Wouters, A Emfield, S Chakraborty, CL Ortiz. Methods and systems for increasing autonomous vehicle safety and flexibility using voice interaction. US Patent 12,269,491, 2025

  3. EP Stabler, CL Ortiz, GR Gavai. Method and system for facilitating an enhanced search-based interactive system. US Patent App. 17/977,655, 2024

  4. YM Chiou, B Price, SCC Weng, C Ortiz. Intelligent Augmented Reality System for Multi-Tasking Guidance and Support with Seamless AI-HCI Integration (short paper). - IUI Workshops, 2024

  5. YM Chiou, D Crouch, B Price, J Shen, M Youngblood. Neuro-Symbolic Ensembles for Assistance at the Edge. Journal of Electronic Imaging, 2024

  6. L Morgenstern, C Ortiz. The Winograd schema challenge: Evaluating progress in commonsense reasoning. Proceedings of the AAAI Conference on Artificial Intelligence 29 (2), 4024-4025, 2024.

  7. N Lenke, J Wouters, A Emfield, S Chakraborty, CL Ortiz. Methods and systems for increasing autonomous vehicle safety and flexibility using voice interaction. US Patent 11,577,742, 2023

  8. E Stabler, K Dent, L Morgenstern, P Patel-Schneider, C Ortiz. Semantically driven document structure recognition. US Patent App. 17/162,561. 2022.

  9. Preeti Ramaraj, Charles L Ortiz Jr, Shiwali Mohan. Unpacking Human Teachers' Intentions For Natural Interactive Task Learning. 2021, in Proceedings of IEEE RO-MAN 2021, arXiv preprint arXiv:2102.06755

  10. CL Ortiz, J Shen. Dialog Manager for Supporting Multi-Intent Dialogs. US Patent App. 16/432,247, 2020.

  11. Ortiz, C., Holistic Conversational Assistants, AI Magazine, Spring 2018.                                                                                                                                                            

  12. E Davis, L Morgenstern, CL Ortiz Jr. The First Winograd Schema Challenge at IJCAI‐16. AI Magazine 38 (3), 97-98, 2017

  13. L Morgenstern, E Davis, CL Ortiz. Planning, executing, and evaluating the winograd schema challenge. AI Magazine 37 (1), 50-54, 2016

  14. E Davis, L Morgenstern, C Ortiz. Human tests of materials for the winograd schema challenge 2016. URL: https://cs. nyu. edu/faculty/davise/papers/WS2016SubjectTests. Pdf, 2016

  15. CL Ortiz, KS Harper, H Quast, SP Brown. Systems and methods for providing a virtual assistant. US Patent 9,479,931, 2016

  16. Ortiz, C., “Why we need a physically embodied Turing Test and what it might look like,” AI Magazine, Vol. 37, No. 1, 2016.

  17. Morgenstern, L., Davis, E., Ortiz, C., “Planning, executing and evaluating the Winograd Schema Challenge,” AI Magazine, Vol. 37, No. 1, 2016.

  18. Morgenstern, L., Ortiz, C., “TheWinograd Schema Challenge: Evaluating progress in commonsense reasoning,” Invited paper, AAAI Conference on Innovative Applications of AI, 2015.

  19. Breen, A., Bui, H., Crouch, R., Farrell, K., Gemello, R., Ganong, F., Haulick, T., Kaplan, R., Ortiz, C., Patel-Schneider, P., Quast, H., Ratnaparkhi, A., Sejnoha, V., Shen, J., Stubley, P., Mulbregt, P., “Voice in the user interface,”in Wiley.

  20. Ortiz, C., and Shen, J., “Dynamic Intention Structures for Dialog Processing,” Proceedings of the 18th Workshop on the Semantics and Pragmatics of Dialogue, Edinburgh, UK.

  21. Ortiz, C., “The road to natural conversational speech interfaces,” IEEE Internet Computing, Natural Web Interfaces Issue, No. 2, Vol. 18, pp: 74-78, 2014.

  22. Ortiz, C., Hunsberger, L., “On the revision of dynamic intention structures”, Proceedings of the Eleventh International Symposium on Logical Formalizations of Commonsense Reasoning, 2013.

  23. E Davis, L Morgenstern, C Ortiz. Collection of Winograd schemas. Available at site https://cs. nyu. edu/faculty/davise/papers/WinogradSchemas 2011

  24. Hunsberger, L and Ortiz, C. “Dynamic Intention Structures I: A theory of intention representation.” Autonomous Agents and Multi-Agent Systems, 2008.

  25. Vincent, R. and Dieter, F. and Ko, J. and Konolige, K. and Limketkai, B. and Morisset, B. and Ortiz, C. and Schulz, D. and Stewart, B.  “Distributed Multirobot Exploration, Mapping, and Task Allocation,” Annals of Mathematics and Artificial Intelligence, 2008.

  26. Rosenfeld, A. and Kraus, S. and Ortiz, C.  “Measuring the Expected Gain of Communicating Constraint Information.” Multiagent and Grid Systems, 2008.

  27. Vincent, R., Morisset, B., Agno, A., Eriksen, M., Ortiz, C. “Centibots: Large-scale Autonomoous Robotic Search and Rescue Experiment,” 2nd International Joint Topical Meeting on Emergency Preparedness & Response and Robotics & Remote Systems, March 2008.

  28. Rosenfeld, A. and Kraus, S. and Ortiz, C.  “Quantifying the Expected Utility of Information in Multi-Agent Scheduling Tasks.” Proceedings of the Eleventh International Workshop on Cooperative Information Agents, 2007.

  29. Morisset, B., Vincent, R., Ortiz, C., “Task inference and distributed, task management in complex 3D environments,” AAAI 2006 workshop on Auction mechanisms for Robot coordination.

  30. Ortiz, C. and Vincent, R. and Morisset, B. “Task Inference and Distributed Task Management in the Centibots Robotic System,” in The Fourth International Joint Conference on Autonomous Agents and Multi Agent Systems, July 2005.

  31. Konolige, K., Ortiz, C., Vincent, R., “Centibots: Very large scale distributed robotic teams,” in Proceedings of the International Symposium on Experimental Robotics (ISER-04), 2004.

  32. Lesser, V. and Ortiz, C. and Tambe, M. (ed.) Distributed Sensor Networks: a multiagent perspective. Kluwer Publishing, 2003.  

  33. Konolige, K. and Ortiz, C. and Vincent, R. and Agno, A. and Eriksen, M. and Limketkai, B. and Lewis, M. and Briesemeister, L. and Ruspini, E. and Fox, D. and Ko, J. and Sftewart, B. and Guibas, L. “Large-Scale Robot Teams,” in Multi-Robot Systems: From Swarms to Intelligent Automata, Kluwer Academic Publishers, 2003.  

  34. Ortiz, C. and Rauenbusch, T., and Hsu, E. and Vincent, R., “Dynamic resource bounded negotiation in non-additive domains,” in Distributed Sensor Networks: a multiagent perspective, six, pp. 61-107, Kluwer Publishing, 2003.  

  35. Yadgar, O. and Kraus, S. and Ortiz, C., “Scaling up distributed sensor networks: cooperative large-scale mobile-agent organizations,” in Distributed Sensor Networks: a multiagent perspective, pp. 185-218, Kluwer Publishing, 2003.  

  36. Lesser, V. and Ortiz, C. and Tambe, M., “Introduction to a multiagent perspective,” in Distributed Sensor Networks: a multiagent perspective, 1, pp. 1-10, Kluwer publishing, 2003.  

  37. Yadgar, O. and Kraus, S. and Ortiz, C.,  “Hierarchical information combination process for large-scale task and team environments,” in Communications in Multiagent Systems, Springer-Verlag, 2003.  

  38. Vincent, R. and Berry, P. and Agno, A. and Ortiz, C. and Wilkins, D. “Teambotica: a robotic framework for integrated teaming, tasking, networking, and control,” in Autonomous Agents and Multiagent Systems Conference, 2003.  

  39. Ortiz, C. L. “Varieties of emergent behavior in large-scale systems,” in Proceedings of the Autonomous Intelligent Networks and Systems Symposium, 2003.  

  40. Yadgar, O. and Kraus, S. and Ortiz, C. Cooperative Large-scale Mobile Agent Systems, in Proceedings of the Autonomous Intelligent Networks and Systems Symposium, 2003.  

  41. Agent Cooperation in Large Scale Environments: From Quantity to Quality Through Organized Cooperation1Yadgar, S Kraus, CL Ortiz Jr, E Sharabi, 2003.

  42. Realtime Dynamic Coalition Formation Extended Abstract. CL Ortiz Jr, R Vincent, 2002

  43. Ortiz, C. L., Grosz, B. J., “Interpreting information requests in context: a collaborative web interface for distance learning,” Autonomous Agents and Multi-Agent Systems, 2002.  

  44. Ortiz, C.L. and Hsu, E. “Structured Negotiation,” in First International Conference on Autonomous Agents and Multiagent Systems, 2002.  

  45. Ortiz, C.L. and Agno, A. and Berry, P. and Vincent, R. “Multilevel Adaptation in teams of unmanned air and ground vehicles,” in Proceedings of the First AIAA Unmanned Aerospace Vehicles, Systems, Technologies and Operations Conference and Workshop, 2002.  

  46. Yadgar, O. and Kraus, S. and Ortiz, C. “Hierarchical organizations for real-time large-scale task and team environments,” in Poster session for AAMAS , 2002. 

  47. Yadgar, O. and Kraus, S. and Ortiz, C. “A hierarchical model for processing noisy and partial information in large-scale task and team environments,” in Proceedings of European Conference on AI, 2002.  

  48. Yadgar, O. and Kraus, S. and Ortiz, C. “Hierarchical organizations for real-time large-scale task and team environments.” Proceedings of the AAAI Workshop on Coalition Formation in Dynamic and Multiagent Environments, pp. 16-23, 2002.

  49. Ortiz, C. and Vincent, R. “Realtime Dynamic Coalition Formation,” in Proceedings of the AAAI Workshop on Coalition Formation in Dynamic Multiagent Environments, 2002.  

  50. Ortiz, C. and Stavridou, V.  “New directions in the analysis of massive multiagent systems,” in Proceedings of the Autonomous Intelligent Networks and Systems Symposium, 2002.  

  51. Counterfactuals and causation: preferences on belief sets CL Ortiz Jr

  52. Yadgar, O. and Kraus, S. and Ortiz, C. “Agent cooperation in large scale environments: from quantity to quality through organized cooperation,” in Proceedings of Autonmous Agents and Multiagent Systems, 2002.  

  53. Ortiz, C. and Rauenbusch, T. “Dynamic Negotiation,” in Proceedings of the AAAI Workshop on Planning with and for Multiagent Systems, 2002.  

  54. Ortiz, C. L. and Hsu E. and desJardins, M. and Rauenbusch, T. and Grosz, B. and Yadgar, O. and Kraus, S. “Incremental Negotiation and Coalition Formation for Resource-bounded Agents: Perliminary Report,” in AAAI Fall Symposium on Negotiation Methods for Autonomous Cooperative Systems, 2001. 

  55. Ortiz,C.L. “Open-ended Planning: Extended Abstract,” in Workshop on Representational Issues in Real-world Planning Systems, 2000. 

  56. Ortiz, Charles L. “Introspective and Elaborative Processes in Rational Agents,” Annals of Mathematics and Artificial Intelligence, Vol. 25, No. 1-2, pp. 1-34, 1999.  

  57. Ortiz, Charles L. . “A commonsense language for reasoning about causation and rational action,” Artificial Intelligence, Vol. 111, No.2, pp. 73-13-, 1999.  

  58. Ortiz, Charles L. . “Explanatory Update Theory: applications of counterfactual reasoning to causation,” Artificial Intelligence,  Vol. 108, No. 1-2, pp. 125-178, 1999.  

  59. desJardins, M. and Durfee, E. and Ortiz, C. and Wolverton M. “A Survey of Research in Distributed, Continual Planning,” AI Magazine, pp. 13-22, Winter 1999. 

  60. Ortiz, C.L. “Applications of Counterfactuals to Causal Reasoning” in Proceedings of the AAAI Spring Symposium on Prospects for a Commonsense Theory of Causation, 1998.  

  61. Ortiz, C.L. “Introspective and Elaborative Processes in Communicating Rational Agents", preliminary report, in Fifth Bar-Ilan Symposium on Foundations of Artificial Intelligence, 1997.  

  62. Ortiz, Charles L. Worlds of Change: Counterfactual Reasoning and Causation.  Dissertation submitted to the Department of Computer and Information Science, University of Pennsylvania, December 1996. Available as Technical Report MS-CIS-96-37.  

  63. Ortiz, C.L. “Causal Pathways of Rational Action,” in Proceedings of the Twelfth National Conference on Artificial Intelligence, pp. 1061-1066, 1994.  

  64. Ortiz, C.L. “The Semantics of Event Prevention,” in proceedings of the Eleventh National Conference on Artificial Intelligence, pp. 633-688, 1993.  

  65. Ortiz, C. L., Bienkwoski, M. A. “Intelligent Information Management in a Distributed Environment,” in Proceedings of the Applied AI Systems in Government Conference, 1990.

  66. Frankel, M. and Shacham, N. and Ortiz, C. L. and Garcia-Luna Aceves, Jose and Schreier, L. “TeleEducation: A Distributed Computing Solution to a National Crisis,” in Proceedings of the 1990 Conference on Advanced Computing in the Social Sciences., 1990.  

  67. Ortiz, C.L. and Garcia-Luna Aceves, J. and Rininger, J. and Aguilar, L. and Nguyen, B.  “The Applicability of AI Technology to Network Routing and Network Configuration,” in Proceedings of the 1988 IEEE MILCOM Conference, 1988.  

  68. Anderson, D. and Ortiz, C.L. AALPS: “A Knowledge-Based System for Aircraft Loading,” IEEE Expert, Winter 1987. 

  69. Garvey, T. and Ortiz, C.L. and Strat, T. and Vance, J. “Fundamental Issues in the Development of Planning Systems for Battle Management,” in Workshop on Battle Management, 1987 Conference of the American Association of Artificial Intelligence, 1987.  

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