Personal Data

• Born on September 6, 1952 in Istanbul, Türkiye
• Married; 3 children
• United States Citizen since 1988

Education

SYRACUSE UNIVERSITY, Syracuse, New York, USA

• Ph.D. (Jan. 1979 — Aug. 1981)
• Major: Industrial Engineering and Operations Research
• Specialization: Modeling and Simulation

SYRACUSE UNIVERSITY, Syracuse, New York, USA

• M.S. (Sept. 1977 — Dec. 1978)
• Major: Industrial Engineering and Operations Research

BOĞAZİÇİ UNIVERSITY, Istanbul, Türkiye

• M.S. (Sept. 1975 — July 1977)
• Major: Industrial Engineering

BOĞAZİÇİ UNIVERSITY, Istanbul, Türkiye

• B.S. (Sept. 1971 — June 1975)
• Major: Mechanical Engineering
• Minors: Industrial Engineering, Modern Control Engineering

ROBERT COLLEGE, Istanbul, Türkiye

• Major: English (Sept. 1970 — June 1971)

PERTEVNIYAL HIGH SCHOOL, Istanbul, Türkiye

• Sept. 1967 — June 1970

Areas of Expertise

• Software Engineering
• Apple Mobile Software Engineering
• Cloud Software Engineering
• Architecting Cloud Software-based System of Systems
• Software/System Independent Verification and Validation
• Modeling and Simulation
• Methodology
• Verification, Validation, and Certification
• Digital Game-Based Learning
• Digital Educational Game Development Methodology
• Digital Educational Game Quality Evaluation

Employment

Virginia Polytechnic Institute and State University (Virginia Tech) Blacksburg, Virginia 24061, USA
09/2010 — present	Director of Mobile/Cloud Software Engineering Lab
05/1999 — present	Professor (with tenure) Department of Computer Science
05/1988 — 04/1999	Associate Professor (with tenure) Department of Computer Science
09/1981 — 04/1988	Assistant Professor Department of Computer Science

 

Orca Computer, Inc. Virginia Tech Corporate Research Center, 1800 Kraft Drive, Suite 111 Blacksburg, Virginia 24060, USA
05/1995 —05/2012	President

Membership in Professional Societies

10/1978 — present	Association for Computing Machinery (ACM)
01/1984 — 12/2012	Institute of Electrical and Electronics Engineers (IEEE) Computer Society
11/1977 — 12/2003	Institute for Operations Research and the Management Sciences (INFORMS)
01/1999 — 02/2002	Military Operations Research Society (MORS)
01/1997 — present 01/1990 — 03/1993 09/1979 — 08/1988	Society for Modeling and Simulation International (SCS)      (formerly Society for Computer Simulation)      Senior Member since Oct. 2001

Student Research Direction

1. Calvin Huang (2022), “Cybersecurity Management System: Defense and Response,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Dec.
2. Gökçe Önen (2022), “Evaluator: Cloud-Based Software for Collaborative Evaluation,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Dec.
3. Eman Abdelrahman (2021), “Improving the Accessibility of Arabic Electronic Theses and Dissertations (ETDs) with Metadata and Classification,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Dec. (Co-Chair with Ed Fox)
4. Zhennan Yao (2020), “VTQuestAR: An Augmented Reality Mobile Software Application for Virginia Tech Campus Visitors,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Dec.
5. Xuan Liu (2019), “Functions Fun: An iPad Educational Game for Teaching Mathematical Functions and Graphs,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
6. Tiancheng Ying (2019), “CandyFactory: Cloud-Based Educational Game for Teaching Fractions,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
7. S. Tuna Önder (2018), “A Cloud-Based Visual Simulation Environment for Traffic Networks,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, June.
8. Serdar Aslan (2016), “Digital Educational Games: Methodologies for Development and Software Quality,” Ph.D. Dissertation, Department of Computer Science, Virginia Tech, Blacksburg, VA, Dec.
9. Congwu Tao (2015), “A Cloud-Based Software System for Online Multimedia Examinations,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, in progress.
10. J. Robert Jones (2014), “A Client-Server Architecture for Collection of Game-based Learning Data,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Dec.
11. Kyle L. Schutt (2013), “VTGemini: Universal iOS Application for Guided Emergency Response and Notification for the Virginia Tech Community,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, April.
12. Serdar Aslan (2011), “Game-based Improvement of Learning Fractions Using iOS Mobile Devices,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
13. Amine Chigani (2011), “A Campus Situational Awareness and Emergency Response Management System Architecture,” Ph.D. Dissertation, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
14. Dzmitry Churbanau (2010), “Visual Simulation-based Automated Architecture Specification,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
15. Firat Alpergin (2007), “A Network-Centric System Architecture for Online Learning Environments,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
16. Likhita Krishnamurthy (2006), “Comparative Assessment of Network-Centric Software Architectures,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
17. Jerome Holman (2005), “A Pen-based Interactive Animation Environment for Effective Communication Using a Tablet PC,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
18. Thomas W. Schneider (2005), “A Voice-based Multimodal User Interface for VTQuest,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
19. David S. Myers (2004), “An Extensible Component-Based Architecture for Web-Based Simulation Using Standards-Based Web Browsers,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, June.
20. Mohammad Sabah (2003), “Random Variate Generation Web Service,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Aug.
21. William S. Gilley (2001), “Animations and Interactive Material for Improving the Effectiveness of Learning the Fundamentals of Computer Science,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, May.
22. I. Utku Moral (1997), “Publication of Bibliographies on the World Wide Web,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Jan.
23. Michael L. Talbert (1995), “A Methodology for the Measurement and Evaluation of Complex System Designs” Ph.D. Dissertation, Department of Computer Science, Virginia Tech, Blacksburg, VA, Dec., 324 pp.
24. P. Anders I. Bertelrud (1995), “An Object-Oriented Simulator for the Visual Simulation Environment,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Sept., 159 pp.
25. Ali Tuğlu (1995), “A Data Analysis Software Tool for the Visual Simulation Environment,” M.S. Project Report, Department of Computer Science, Virginia Tech, Blacksburg, VA, June, 58 pp.
26. Rajendra Harrichunder (1994), “A Learning Support System for the Visual Simulation Environment,” M.S. Project Report, Department of Computer Science, Virginia Tech, Blacksburg, VA, Sept., 67 pp.
27. Sandeep R. Somaiya (1993), “SENATE: A Software System for Evaluation of Simulation Results,” M.S. Project Report, Department of Computer Science, Virginia Tech, Blacksburg, VA, Apr., 109 pp.
28. E. Joseph Derrick (1992), “A Visual Simulation Support Environment Based on a Multifaceted Conceptual Framework,” Ph.D. Dissertation, Department of Computer Science, Virginia Tech, Blacksburg, VA, Apr., 320 pp.
29. Jay D. Beams (1991), “A Premodels Manager for the Simulation Model Development Environment,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Sept., 214 pp.
30. Kevin E. Martin (1989), “Artificial Neural Network Development: A Life Cycle and Requirements Specification for an Automated Support Environment,” Honors Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Oct., 100 pp.
31. John L. Bishop (1989), “General Purpose Visual Simulation System,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, June, 192 pp.
32. Richard B. Whitner (1988), “A Taxonomical Review of Software Verification Techniques: An Illustration in Discrete-Event Simulation,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Oct., 187 pp.
33. Robert A. White (1988), “TRAVIS: A General Purpose Traffic Intersection Visual Interactive Simulator,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Sept.
34. E. Joseph Derrick (1988), “Conceptual Frameworks for Discrete-Event Simulation Modeling,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, Aug., 286 pp.
35. Muriel Kranowski (1988), “CADCAS: A Tool for Computer-Aided Documentation and Credibility Assessment of a Simulation Study,” M.I.S. Project Report, Department of Computer Science, Virginia Tech, Blacksburg, VA, July, 277 pp.
36. Jack C. Davis (1988), “A Simulated Learning Environment for the VAX/VMS Operating System,” M.S. Project Report, Department of Computer Science, Virginia Tech, Blacksburg, VA, May, 175 pp.
37. Valerie L. Frankel (1987), “A Prototype Assistance Manager for the Simulation Model Development Environment,” M.S. Thesis, Department of Computer Science, Virginia Tech, Blacksburg, VA, July, 84 pp.
38. Anthony W. Crunk (1985), “A Portable C Random Number Generator,” M.S. Project Report, Department of Computer Science, Virginia Tech, Blacksburg, VA, May, 136 pp.
39. Benjamin C. Robinson (1983), “A Self-Paced COBOL Tutorial,” M.S. Project Report, Department of Computer Science, Virginia Tech, Blacksburg, VA, July, 301 pp.

Invited Talks

1. Invited Keynote Speech: “The Role of Modeling and Simulation in the U.S. Department of Defense,” 7th National Conference on Defense Applications of Modeling and Simulation (USMOS 2017), Ankara, Türkiye, November 21-23, 2017.
2. Invited Keynote Speech: “A Life Cycle for Modeling and Simulation,” 5th International Workshop on Enterprise & Organizational Modeling and Simulation (EOMAS 2009), Amsterdam, The Netherlands, June 8-9, 2009.
3. Invited Talk: “Scenario Simulation for Network-Centric Technology Assessment,” Symposium on Recent Advances for Modeling and Simulation Tools for Communications Networks and Services, Guildford, Surrey, United Kingdom, March 28-29, 2007.
4. Invited Talk: “Quality Assessment of Modeling and Simulation of Network-Centric Military Systems,” Symposium on Modeling and Simulation Tools for Emerging Telecommunication Networks: Needs, Trends, Challenges, Solutions, Munich, Germany, September 8-9, 2005.
5. Invited Panel Speaker: “Challenges in Credibility Assessment of System Dynamics Models for National Security,” Workshop on Systems Dynamics Modeling of Physical and Social Systems for National Security, Chantilly, VA, April 21-22, 2005.
6. Invited Plenary Speech: “Meeting the Challenges of Verification, Validation, and Certification of Complex Models and Simulations,” 15th European Simulation Symposium and Exhibition, Delft, The Netherlands, Oct. 26-29, 2003.
7. Invited Talk: “Certification of Modeling and Simulation (M&S) Applications for Risk Mitigation in M&S-Based Department of Defense Acquisitions,” 2000 International Software Assurance and Certification Conference (ISACC), Reston, VA, Sept. 25-26, 2000.
8. Invited Three-Day Colloquium: “Verification, Validation, and Accreditation (VV&A) of Modeling and Simulation (M&S) Applications” at the University of German Armed Forces (GAF), Munich, Germany, March 8-10, 1999. The colloquium was attended by more than 60 people from the university, German Federal Armed Forces, and industry.
9. Invited Keynote Speech: “The Future, Role, and Importance of Simulation in Defense Applications,” Simulation Symposium organized by the Turkish Ministry of Defense, Ankara, Türkiye, April 1-3, 1998.

U.S. Senate Presentations

Oral Presentations

1. “Architecture and Design of a Cloud-Based Visual Simulation Environment,” 2019 Winter Simulation Conference, National Harbor, MD, Dec. 8-11, 2019.
2. “A Holistic Life Cycle for Large-Scale Complex Software,” International Conference on Science and Technology, Ankara, Türkiye, Oct. 3-6, 2016.
3. “A Cloud Software System for Visualization of Game-Based Learning Data Collected on Mobile Devices,” 2015 Winter Simulation Conference, Huntington Beach, CA, Dec. 6-9, 2015.
4. “The Need for National Research on Cloud-based M&S,” 2015 Winter Simulation Conference, Huntington Beach, CA, Dec. 6-9, 2015.
5. “Challenges in Teaching Modeling and Simulation Online,” 2013 Winter Simulation Conference, Washington, DC, Dec. 8-11, 2013.
6. “Developing a New Modeling and Simulation Methodology: A Grand Challenge,” Panel position statement at the 2013 ACM SIGSIM Conference on Principles of Advanced Discrete Simulation (ACM SIGSIM PADS), Montreal, Quebec, Canada, May 19-22, 2013.
7. “How to Successfully Conduct Large-Scale Modeling and Simulation Projects,” 90-mins Advanced Tutorial at the 2011 Winter Simulation Conference, Phoenix, AZ, Dec. 11-14, 2011.
8. “Challenges in Standardization of Modeling and Simulation Life Cycle Processes,” Panel position statement at the 2011 Winter Simulation Conference, Phoenix, AZ, Dec. 11-14, 2011.
9. “Challenges in Standardization of Modeling and Simulation Life Cycle Processes,” Standards in Modeling and Simulation Workshop, May 10-12, 2011, Virginia Modeling, Analysis and Simulation Center (VMASC), ODU, Suffolk, Virginia.
10. “Panel Discussion: Education on Conceptual Modeling for Simulation - Challenging the Art,” 2010 Winter Simulation Conference, Baltimore, MD, Dec. 5-8, 2010.
11. “Developing a New Modeling and Simulation Methodology: A Grand Challenge,” 2010 Workshop on Grand Challenges in Modeling, Simulation, and Analysis for Homeland Security (Organized by the U.S. Department of Homeland Security), Arlington, VA, March 17-18, 2010.
12. “A Life Cycle for Modeling and Simulation,” 2009 Summer Computer Simulation Conference, Istanbul, Türkiye, July 13-16, 2009. (An invited 90-minute tutorial talk)
13. “Potential Technologies for Engineering Network-Centric Simulations,” 2009 Summer Computer Simulation Conference, Istanbul, Türkiye, July 13-16, 2009.
14. “Accomplishing Reuse with a Simulation Conceptual Model,” 2008 Winter Simulation Conference, Miami, FL, Dec. 7-10, 2008.
15. “Quality Assessment, Verification, and Validation of Modeling and Simulation Applications,” 2004 Winter Simulation Conference, Washington, DC, Dec. 5-8, 2004.
16. “Teaching E-Systems Engineering Using WSAD, WAS, and DB2,” IBM University Day, Research Triangle Park, NC, Oct. 15, 2004.
17. “Verification, Validation, and Certification of Modeling and Simulation Applications,” 2003 Winter Simulation Conference, New Orleans, LA, Dec. 7-10, 2003.
18. “Expanding Our Horizons in Verification, Validation, and Accreditation Research and Practice,” 2002 Winter Simulation Conference, San Diego, CA, Dec. 8-11, 2002.
19. “Proposed Standard Processes for Certification of Modeling and Simulation Applications,” 2002 Winter Simulation Conference, San Diego, CA, Dec. 8-11, 2002.
20. “A Collaborative Evaluation Environment for Credibility Assessment of Modeling and Simulation Applications,” 2002 Winter Simulation Conference, San Diego, CA, Dec. 8-11, 2002.
21. “Planning for Verification, Validation, and Accreditation of Modeling and Simulation Applications,” 2000 Winter Simulation Conference, Orlando, FL, Dec. 10-13, 2000.
22. “Strategic Directions for Verification, Validation, and Accreditation of Modeling and Simulation Applications,” 1999 Winter Simulation Conference, Phoenix, AZ, Dec. 5-8, 1999.
23. “Achieving Reusability in Visual Simulation of a Parts Distribution System,” 1999 Summer Computer Simulation Conference, Chicago, IL, July 11-15, 1999.
24. “Modeling and Simulation Verification Technology: An Overview,” Simulation Validation Workshop '99. Co-sponsored by the Military Operations Research Society and the Society for Computer Simulation International, JHU/APL, Laurel, MD, January 26-28, 1999.
25. “Verification, Validation and Accreditation,” 1998 Winter Simulation Conference, Washington, DC, Dec. 13-16, 1998. (A 90-minute introductory tutorial)
26. “Visual Simulation Environment,” 1998 Winter Simulation Conference, Washington, DC, Dec. 13-16, 1998.
27. “A Library of Reusable Model Components for Visual Simulation of the NCSTRL System,”1998 Winter Simulation Conference, Washington, DC, Dec. 13-16, 1998.
28. “A Taxonomy of Layout Composition Techniques for Visual Simulation,” 1998 Summer Computer Simulation Conference, Reno, NV, July 19-22, 1998.
29. “Verification, Validation and Accreditation of Simulation Models,” 1997 Winter Simulation Conference, Atlanta, GA, Dec. 7-10, 1997. (A 90-minute state-of-the-art tutorial)
30. “Introduction to the Visual Simulation Environment,” 1997 Winter Simulation Conference, Atlanta, GA, Dec. 7-10, 1997.
31. “The Visual Simulation Environment Technology Transfer,” 1997 Winter Simulation Conference, Atlanta, GA, Dec. 7-10, 1997.
32. “Developing a Library of Reusable Model Components by Using the Visual Simulation Environ­ment,” 1997 Summer Computer Simulation Conference, Arlington, VA, July 13-17, 1997.
33. “How to Conduct a Successful Simulation Study,” 11th European Simulation Multiconference, Istanbul, Türkiye, June 1-4, 1997. (An invited three-hour Professional Development Seminar)
34. “The Visual Simulation Environment,” 11th European Simulation Multiconference, Istanbul, Türkiye, June 1-4, 1997.
35. “Dynamic Object Decomposition in the Visual Simulation Environment,” 11th European Simulation Multiconference, Istanbul, Türkiye, June 1-4, 1997.
36. “Principles and Techniques of Simulation Validation, Verification, and Testing,” 1995 Winter Simula­tion Conference, Arlington, Virginia, Dec. 3-6, 1995. (A 90-minute advanced tutorial)
37. “A Picture-Based Object-Oriented Visual Simulation Environment,” 1995 Winter Simulation Conference, Arlington, Virginia, Dec. 3-6.
38. “Validation, Verification, and Testing of Simulation Models,” 1995 Summer Computer Simulation Conference, Ottawa, Ontario, Canada, July 23, 1995. (An invited one-day Professional Development Seminar)
39. “Validation, Verification, and Testing Techniques throughout the Life Cycle of a Simulation Study,” 1994 Winter Simulation Conference, Orlando, FL, Dec. 11-14, 1994. (An invited 90-minute state-of- the-art presentation)
40. “Validation, Verification, and Testing Techniques throughout the Life Cycle of a Simulation Study,” The 1994 European Simulation Symposium, Istanbul, Türkiye, Oct. 9-12, 1994. (An invited half-day Professional Development Seminar)
41. “Measurement and Evaluation of Complex System Designs,” The 16th Operations Research and Industrial Engineering National Conference, Bilkent University, Ankara, Türkiye, July 13-15, 1994.
42. “Guidelines for Conducting Successful Simulation Studies,” TIMS/ORSA Joint National Meeting, Boston, MA, Apr. 24-27, 1994.
43. “A Visual Simulation Support Environment: Current Status and Future Research Directions,” TIMS/ ORSA Joint National Meeting, Boston, MA, Apr. 24-27, 1994.
44. “A Visual Simulation Model Specification Language for the Visual Simulation Support Environ­ment,” ORSA/TIMS Joint National Meeting, Phoenix, AZ, Oct. 31 – Nov. 3, 1993.
45. “Measurement and Evaluation of Complex Navy System Designs,” 1993 Complex Systems Engi­neering Synthesis and Assessment Technology Workshop, Calverton, MD, July 20-22, 1993.
46. “The Simulation Model Development Environment: An Overview,” 1992 Winter Simulation Conference, Arlington, VA, Dec. 13-16, 1992.
47. “A Visual Simulation Support Environment,” ORSA/TIMS Joint National Meeting, San Francisco, CA, Nov. 1-4, 1992.
48. “Simulation Model Development Environment Research Project at VPI&SU,” Symposium on Advances in Simulation ‘92, Istanbul, Türkiye, July 6-7, 1992.
49. “Guidelines for Successful Simulation Studies,” Symposium on Advances in Simulation ‘92, Istanbul, Türkiye, July 6-7, 1992. (A 90-minute opening plenary speech)
50. “Validation, Verification, and Testing of Simulation Models: A Knowledge-Based Approach Using Indicators,” EURO XII/TIMS XXXI Joint International Conference, Helsinki, Finland, June 29 - July 1, 1992.
51. “Opening Remarks,” ORSA Computer Science Technical Section Conference Computer Science and Operations Research: New Developments in Their Interfaces, Williamsburg, VA, Jan. 8-10, 1992.
52. “Guidelines for Successful Simulation Studies,” 1990 Winter Simulation Conference, New Orleans, LA, Dec. 9-12, 1990. (A 90-minute tutorial)
53. “Model Generation Issues in a Simulation Support Environment,” 1990 Winter Simulation Conference, New Orleans, LA, Dec. 9-12, 1990. (A video tape presentation with E. Joseph Derrick, Richard E. Nance, and Ernest H. Page)
54. “General Purpose Visual Simulation System: A Functional Description,” 1990 Winter Simulation Conference, New Orleans, LA, Dec. 9-12, 1990.
55. “General Purpose Visual Simulation System (GPVSS): A Research Prototype,” TIMS/ORSA Joint National Meeting, Las Vegas, NV, May 7-9, 1990.
56. “How to Assess the Acceptability and Credibility of Simulation Results,” 1989 Winter Simulation Conference, Washington, DC, Dec. 4-6, 1989. (A 90-minute tutorial)
57. “A Prototype Simulation Model Development Environment,” The 12th National Operations Research Conference, Ankara, Türkiye, June 21-23, 1989.
58. “Simulation Model Development: The Multidimensionality of the Computing Technology Pull,” ORSA Computer Science Technical Section'sConference on Impacts of Recent Computer Advances on Operations Research, Williamsburg, VA, Jan. 4-6, 1989.
59. “The Implementation of Four Conceptual Frameworks for Simulation Modeling in High-Level Languages,” 1988 Winter Simulation Conference, San Diego, CA, Dec. 12-14, 1988.
60. “Guidelines for Documenting Simulation Studies,” TIMS/ORSA Joint National Meeting, Washington, DC, Apr. 25-27, 1988.
61. “Simulation Support: Prototyping the Automation-Based Paradigm,” 1987 Winter Simulation Conference, Atlanta, GA, Dec. 14-16, 1987.
62. “Credibility Assessment of Simulation Results: The State of the Art,” 1987 Eastern Simulation Conferences, Orlando, FL, Apr. 6-9, 1987.
63. “Credibility Assessment of Simulation Results,” 1986 Winter Simulation Conference, Washington, DC, Dec. 8-10, 1986. (A 90-minute tutorial)
64. “Guidelines for Successful Simulation Studies,” TIMS/ORSA Joint National Meeting, Los Angeles, CA, Apr. 14-16, 1986.
65. “Evaluation of the UNIX Host for a Model Development Environment,” 1984 Winter Simulation Conference, Dallas, TX, Nov. 28-30, 1984.
66. “Model Development Environments: An Explicit Requirement for Building Successful Decision- Aiding Models,” ORSA/TIMS Joint National Meeting, Dallas, TX, Nov. 26-28, 1984.
67. “Statistical Validation of Simulation Models, Advanced Practitioner Session,” 1982 Winter Simulation Conference, San Diego, CA, Dec. 6-8, 1982.
68. “Credibility Assessment of Model Forecasts Used for Decision Making,” Second International Symposium on Forecasting, Istanbul, Türkiye, July 6-9, 1982.
69. “A Methodology for Validating Multivariate Response Simulation Models by Using Simultaneous Confidence Intervals,” CORS/TIMS/ORSA Joint National Meeting, Toronto, Canada, May 3-6, 1981.
70. “Precision, Level of Acceptance, and Cost in Validation of Simulation Models,” Conference on Com­puter Simulation, Columbia University, NY, Apr. 1980.