Home Page for Walt Scacchi

Coordinates and Addresses

Position: Sr. Research Scientist, Research Faculty, ISR
                Research Director, Center for Computer Games and Virtual Worlds

Area:      Software
Office:    Room ICS2-202, Bldg. 304

US mail: Walt Scacchi
               Institute for Software Research
               Donald Bren School of Information and Computer Sciences
               University of California, Irvine
               Irvine, CA 92697-3455 USA
Other:     Tel: +1-949-824-4130
               Fax: +1-949-824-1715
               E-mail: wscacchi <at> ics <onedot> uci <onedot> edu
               Web: http://www.ics.uci.edu/~wscacchi 

Curriculum Vita (pdf)

Bio paragraph (pdf)

Research Interests

• Organizational Studies of Free/Open Source Software Development 
• Networked Computer Games, Virtual Worlds, and Meta-Game Environments (see Center for Computer Games and Virtual Worlds, the ISR Research in Computer Games, Virtual Worlds, and Interactive Technologies, or the Virtual Collaboration Portal for ISR research in decentralized virtual activity systems) 
• Acquisition of Open Source Software Systems (including governance, procurement, systems engineering, deployment, operations and field support)
• Computer Supported Collaborative Work Environments
• Organizational and Software Process Modeling and Simulation
• Electronic Commerce (e.g., process components for procurement and acquisition)

Interested in applying for Graduate School in Software Engineering?
Interested in applying for Graduate School in Human-Centered Computing?

Upcoming/Recent Events

• Intern. Conf. Software Engineering: 3rd. Workshop on Games and Software Engineering,  San Francisco, CA, 17 May 2013.
• Ninth International Conference on Open Source Systems, Koper-Capodistria, Slovenia., 25-28 June 2013.
• Eighth International Conference on Open Source Systems, 10-13 September 2012, Hammamet, Tunisia
• International Conference on Software Engineering: Workshop on Games and Software Engineering, 9 June 2012
  
• International Conference on Software Engineering: Software Engineering in Practice Track,  21-28 May 2011.
• UCI NSF Workshop on the Future of Research in Computer Games and Virtual Worlds, 22-24 September 2010. (Final Report)
• CCC Workshop on Future Research in Free/Open Source Software, Newport Beach, CA, 10-12 February 2010 (Final Report).
• Sixth International Conference on Open Source Systems, Notre Dame, IN, June 2010.
• New ICS Center on Computer Games and Virtual Worlds, September 2009.
  • Podcast (or Web) on the future of smart games and computer game science at UCI, March 2010
  • New computer game science degree program announced at UCI, March 2010
• IFIP Working Group 2.13 on Open Source Software
• Web 3.0: The Game Web, Calit2, UC Irvine, 21 June 2007, and follow-up news story 
• MASSIVE: A Research Summit on Networked Multiplayer Games at UCI (20 April 2006).
• Corporate Opportunities for Multiplayer Games, OCTANe@UCI and AeA, at UCI (21 April 2006)

Current/Recent Research Projects

• Creating a Framework for Prototyping Science Mission Games, (2012-2013).
• Developing an Informal Music Learning Game Environment, with The San Francisco Symphony, (2010-2013--now in Beta!)
• Workshop on Future Research and Challenges in Computer Games and Virtual Worlds, (2010-2012). Final Report now available (August 2012)
• Naval Postgraduate School, Center for the Edge Power, Exploring the Potential of Computer Games and Virtual Worlds for Decentralized Command and Control, (2010-2011)
• Workshop on Future Research in Free/Open Source Software, (2009-2010)
• Decentralized Virtual Activities and Technologies: A Socio-Technical Approach, (2008-2012)
  • News story on one research effort spanning physical and virtual worlds as part of this project, March 2010.
  • News story on Getting Down to Business with Games, UCI Calit2 Interface, Spring 2009.
    
• Naval Postgraduate School, Acquisition Research Program, Emerging Issues in the Acquisition of Open Source Software and Open Architectures, (2007-2013).
• Workshop to Establish National and International Research Infrastructures for Multidisciplinary Empirical Science of Free/Open Source Software, (2007-2008)
• Naval Postgraduate School, Center for the Edge, Governance Issues in Open Source Software Development, (2007-2008)
• Story on research partnership investigating generation-beyond-next computer game culture and technology (2007-2009)
• Discovering the Practices and Processes of Open Source Software Development (2006-2008)
• Game Research Grid for Science Learning Games (2004-2006)
  • Another news story on game research at UCI Calit2 Interface, Summer 2007.
  • Story on game research at UCI Calit2 Interface, Spring 2007.
  • DinoQuest Online now up and running--start here (you will need to register to play)
  • NSF Presentation on DinoQuest, DinoQuest Online, and Cyberinfrastructure for Networked Science Museum  Exhibits, September 2006
  • Story on DinoQuest and DinoQuest Online science learning game environment, UCI Calit2 Interface, Spring 2006 
  • Early story on Dinosaur science learning game project, UCI Calit2, Summer 2005
• The Organizational Dynamics of Software Bugs, Errors, Issues, and Repairs (2002-2006)
• An Integrated Social and Technical Approach to Development of Distributed Inter-Organizational Applications (2002-2006)
• Understanding Open Source Software Development Processes, Practices and Communities  (2000-2005)
  • Special Issue of Software Process--Improvement and Pratice on Free/Open Source Software Development Processes (March/April, 2006)
  • CNet.com news story on Open Source under the Microscope, 5 January 2004
  • NSF Press Release, Faster, Better, Cheaper: Open-Source Practices May Help Improve Software Engineering, 3 December 2003.
• Research Directions for Continuous (Re)Design of Open Source Software (Fall 2003-2005)
• Dynamic Process Enactment, Discovery and Recovery (Spring 2003-2005)
• Exploring Open Software Systems Acquisition Processes and Architectures (2000-2002, archived)

Past Projects and Research Legacy

• The USC ATRIUM Laboratory Web site
• Organizational Studies of Computing and Software Development
• The USC System Factory Project and related Software Engineering Environments
• Organizational and Software Process Engineering
• Research Autobiography

Recent Publications and Working Papers

• Ongoing Software Development Without Classical Requirements, (with T. Alspaugh), Proc. 21st. Intern. Conf. Requirements Engineering, Rio de Janeiro, Brazil, July 2013 (to appear).
• Challenges in the Development and Evolution of Secure Open Architecture Command and Control Systems, (with T. Alspaugh), Proc. 18th. Intern. Command and Control Research and Technology Symposium, Paper 098, Alexandria, VA, June 2013 (to appear).
• Streamlining the Process of Acquiring Secure Open Architecture Software Systems, (with T. Alspaugh), Proc. 10th. Annual Acquisition Research Symposium, Monterey, CA, 608-623, May 2013.
• Processes in Securing Open Architecture Software Systems, (with T. Alspaugh), Proc. 2013 Intern. Conf. Software and System Processes, 126-135, May 2013, San Francisco, CA.
• Advances in the Acquisition of Secure Systems Based on Open Architectures, (with T. Alspaugh), in Journal of Cybersecurity & Information Systems, January 2013, (to appear). 
• Open Source Systems: Long-Term Sustainability, (with I. Hammouda, B. Lundell, and T. Mikkonen, (Eds.)), Proc. 8th. IFIP WG 2.13 International Conference, OSS 2012, IFIP Advances in Information and Communications Technology, Vol. 378, Hammamet, Tunisia, September 2012.
  
• Security Licensing, (with T. Alspaugh),  Proc. Fifth Intern. Workshop on Requirements Engineering and Law, 25-28, September 2012.
• Software Licenses, Coverage, and Subsumption, (with T. Alspaugh and R. Kawai),  Proc. Fifth Intern. Workshop on Requirements Engineering and Law, 17-24, September 2012.
• The Challenge of Heterogeneously Licensed Systems in Open Architecture Software Ecosystems, (with T. Alspaugh and H. Asuncion), S. Jansen, S. Brinkkemper, and M. Cusumano (Eds.), Software Ecosystems: Analyzing and Managing Business Networks in the Software Industry, Edward Elgar Publishing, 103-120, Northmapton, MA, 2013.
• Developing Secure Systems using Open Architectures with Open Source and Closed Source Components, (with T. Alspaugh), Proc. 8th. IFIP International Conf. Open Source Systems, 144-159, Hammamet, Tunisia, September 2012.
• The Future of Research in Computer Games and Virtual Worlds: NSF Workshop Report, (August 2012).
• Understanding the Role of Licenses and Evolution in Open Architecture Software Ecosystems, (with Thomas Alspaugh), Journal of Systems and Software, 85(7), 1479-1494, July 2012.
• Exploring the Potential of Virtual Worlds for Decentralized Command and Control, (with C. Brown and K. Nies), 17th. Intern. Command and Control Research and Technology Symposium (ICCRTS), Paper-096, Fairfax, VA, June 2012.
• Exploring the Potential of Computer Games for Decentralized Command and Control, (with C. Brown and K. Nies), 17th. Intern. Command and Control Research and Technology Symposium (ICCRTS), Paper-104, Fairfax, VA, June 2012.
• Software Licenses, Open Source Components, and Open Architectures, (with T. Alspaugh and H. Asuncion), in I. Mistrik, A. Tang, R. Bashon and J.A. Stafford (Eds.), Aligning Enterprise, System, and Software Architectures, IGI-Global Publishers, 58-79, October 2012.
• Addressing the Challenges in the Acquisition of Secure Systems with Open Architectures, (with T. Alspaugh), Proc. 9th. Annual Acquisition Research Symposium, Monterey, CA May 2012.
• License Update and Migration Processes in Open Source Software Projects,  (with C. Jensen), in S. Hissam, B. Russo, M.G. de Mendonca Neto, and F. Kan (Eds.), Open Source Systems: Grounding Research, Proc. 7th. IFIP Intern. Conf. Open Source Systems, 177-195, IFIP ACIT 365, Salvador, Brazil, October 2011.
• Modding as an Open Source Approach to Extending Computer Game Systems,  in S. Hissam, B. Russo, M.G. de Mendonca Neto, and F. Kan (Eds.), Open Source Systems: Grounding Research, Proc. 7th. IFIP Intern. Conf. Open Source Systems, 62-74,  IFIP ACIT 365, (Best Paper award), Salvador, Brazil, October 2011. Also in Intern. J. Open Source Software and Processes, (to appear, 2012).
  
• Presenting Software License Conflicts through Argumentation, (with T. Alspaugh and H. Asuncion), Proc. 22nd. Intern. Conf. Software Engineering and Knowledge Engineering (SEKE2011), Miami, FL, July 2011.
• Modding as a Basis for Developing Game Systems, Proc. 1st. Workshop Games and Software Engineering (GAS'11), 33rd. Intern. Conf. Software Engineering, Waikiki, Honolulu, HI, May 2011.
• The Future of Research in Free/Open Source Software Development, in  Proc. ACM Workshop on the Future of Software Engineering Research (FoSER), Santa Fe, NM, 315-319, November 2010.
• Towards a Science of Free/Open Source Systems, (multiple authors), FOSS 2010 Workshop Final Report, Prepared for the Computing Community Consortium, Fall 2010.
• Open Source Software Development, (with C. Jensen), in W.S. Bainbridge (Ed.), Leadership in Science and Technology: A Reference Handbook, Sage Publishers, 772-781, (2012).
• Open Source Software, Encyclopedia of Software Engineering, Taylor and Francis, New York, 614-626, 2011.
• Software Licenses in Context: The Challenge of Heterogeneously Licensed Systems, (with T. Alspaugh and H. Asuncion), Journal of the Association for Information Systems, 11(11), 730-755, November 2010.
• Computer Game Mods, Modders, Modding, and the Mod Scene, First Monday, 15(5), May 2010.
• Governance in Open Source Software Development Projects: A Comparative Multi-­Level Case Study Analysis, (with C. Jensen), Proc. 6th. Intern. Conf. Open Source Systems, Notre Dame, IN, 130-142, May 2010.
• Collaboration Practices and Affordances in Free/Open Source Software Development, revised version in I. Mistrík, J. Grundy, A. van der Hoek, and J. Whitehead, (Eds.), Collaborative Software Engineering, Springer, New York, 307-328, 2010.
• Game-Based Virtual Worlds as Decentralized Virtual Activity Systems, in W.S. Bainbridge (Ed.), Online Worlds: Convergence of the Real and the Virtual, Springer, New York, 225-236, 2010.
• The Role of Software Licenses in Open Architecture Ecosystems, (with T. Alspaugh and H. Asuncion), Intern. Workshop on Software Ecosystems, Intern. Conf. Software Reuse, Falls Church, VA, September 2009.
• Intellectual Property Rights Requirements for Heterogeneously Licensed Systems, (with T. Alspaugh and H. Asuncion),  in Proc. 17th. Intern. Conf. Requirements Engineering (RE09), Atlanta, GA, 24-33, September 2009.
• Envisioning National and International Research on the Multidisciplinary Empirical Science of Free/Open Source Software, (with K. Crowston, G. Madey, and M. Squire), working paper for the Computing Community Consortium, Spring 2009.
• Analyzing Software Licenses in Open Architecture Software Systems, Proc. Workshop on Emerging Trends in FLOSS Research and Development, Intern. Conf. Software Engineering, Vancouver, Canada, May 2009.
• Understanding Requirements for Open Source Software, in K, Lyytinen, P. Loucopoulos, J. Mylopoulos, and W. Robinson (eds.), Design Requirements Engineering: A Ten-Year Perspective, LNBIP 14, Springer-Verlag, 467-494, 2009.
• Towards a Global Research Infrastructure for Multidisciplinary Study of Free/Open Source Software Development, (with L. Gasser), in IFIP Intern. Federation Info. Processing, Vol. 275; Open Source Development, Community and Quality; B. Russo, E. Damiani, S. Hissan, B. Lundell, and G. Succi (Eds.), Boston, Springer, 143-158, 2008.
• A Collaborative Science Learning Game Environment for Informal Science Education: DinoQuest Online,  (with R. Nideffer and J. Adams), revised version in IFIP International Federation for Information Processing, Volume 279; New Frontiers for Entertainment Computing; P. Ciancarini, R. Nakatsu, M. Rauterberg, M. Roccetti (Eds.); Boston: Springer, 71–82, 2008.
• Collaborative Game Environments for Informal Science Education: DinoQuest and DinoQuest Online,  (with R. Nideffer and J. Adams),  IEEE Conf. Collaboration Technology and Systems, (CTS 2008), Irvine, CA 229-236, May 2008, (Extended version).
• Governance in Open Source Software Development Projects: Towards a Model for Network-Centric Edge Organizations, (with C. Jensen), Proc. 13th. Intern. Command and Control Research and Technology Symposium, Bellevue, WA, July 2008.
• Emerging Issues in the Acquisition of Open Source Software within the U.S. Department of Defense, (with T. Alspaugh), Proc. 5^th Annual Acquisition Research Symposium, Vol. 1, 230-244, NPS-AM-08-036, Naval Postgraduate School, Monterey, CA .
• Mobilization of Software Developers: The Free Software Movement, (with Margaret Elliott), revised version in Information, Technology and People, 21(1), 4-33, 2008. Received 2009 Outstanding Paper Award of Excellence from Emerald Literati Network.
• Emerging Patterns of Intersection and Segmentation when Computerization Movements Interact, revised version in M.S. Elliott and K.L. Kraemer (Eds.), Computerization Movements and Technology Diffusion: From Mainframes to Ubiquitous Computing, ASIST Monograph Series, Information Today, Inc. 381-404, 2008. 
• Guest Editorial—Open Source Software for Engineering Education: Pedagogical Strategies that Leverage Open Source Tools, (with M. Lytras), IEEE Transactions on Education, 50(4), November 2007.
• Knowledge Work Artifacts: Kernel Cousins for Free/Open Source Software Development, (with M. Elliott and M. Ackerman), Proc. ACM Conf. Support Group Work (Group07), Sanibel Island, FL, 177-186, November 2007.
• Free/Open Source Software Development: Recent Research Results and Emerging Opportunities, Proc. European Software Engineering Conference and ACM SIGSOFT Symposium on the Foundations of Software Engineering, Dubrovnik, Croatia, 459-468, September 2007.
• Open Source Development, Adoption and Innovation, (edited by J. Feller, B. Fitzgerald, W. Scacchi, and A. Sillitti,), Springer, New York, June 2007.
• Guiding the Discovery of Open Source Software Processes with a Reference Model, (with C. Jensen),in Proc. Third IFIP International Conference on Open Source Systems, Limerick, IR, 11-13 June 2007, 265-270.
• Role Migration and Advancement Processes in OSSD Projects: A Comparative Case Study, (with C. Jensen), in Proc. 29th. Intern. Conf. Software Engineering, Minneapolis, MN, May 2007, 364-374.
• Free/Open Source Software Development: Recent Research Results and Methods, in M.V. Zelkowitz (ed.), Advances in Computers, 69, 243-295, 2007.
• Understanding the Development of Free E-Commerce/E-Business Software: A Resource-Based View, in S.K. Sowe, I. Stamelos, and I. Samoladas (eds.), Emerging Free and Open Source Software Practices, IGI Publishing, Hershey, PA, 170-190, 2007.
• Open Source Systems, (edited by E. Damiani, B. Fitzgerald, W. Scacchi, M. Scotto, and G. Succi), Springer, New York, June 2006.
• Understanding Free/Open Source Software Development Processes, (with Joseph Feller, Brian Fitzgerald, Scott Hissam, and Karim Lakhani), Software Process--Improvement and Practice, 11(2), 95-105, March/April 2006.
• Experiences in Discovering, Modeling, and Reenacting Open Source Software Development Processes, (with Chris Jensen), in Mingshu Li, Barry Boehm, and Leon J. Osterweil (eds.), Unifying the Software Process Spectrum: Proc. Software Process Workshop, Beijing, China, May 2005, 442-469, Springer-Verlag, 2006.
• Modeling Recruitment and Role Migration Processes in OSSD Projects, (with Chris Jensen), Proc. 6^th Intern. Workshop on Software Process Simulation and Modeling, St. Louis, MO, May 2005.
• Multi-Modal Modeling, Analysis and Validation of Open Source Software Development Processes, (with Chris Jensen, John Noll, and Margaret Elliott), Intern. J. Internet Technology and Web Engineering, 1(3), 49-63, 2006. Previous version appeared in Proc. First Intern. Conf. Open Source Software, 1-8, Genova, Italy, July 2005. Received Best Paper Award. Reprinted in G. Alkhatib and D. Rine, (Eds.), Integrated Approaches in Information Technology and Web Engineering: Advancing Organizational Knowledge Sharing, Information Science Reference, Hershey, PA, 51-65, 2009.
• Collaboration, Leadership, Control, and Conflict Negotiation in the NetBeans.org Software Development Community, (with Chris Jensen), Proc. 38^th. Hawaii Intern, Conf. Systems Science, Waikola Village, HI, January 2005.
• Process Modeling Across the Web Information Infrastructure, (with Chris Jensen), Software Process--Improvement and Practice, 10(3), 255-272, July-September 2005. Earlier version appears in Proc. 5^th. Intern. Workshop on Software Process Simulation and Modeling, Edinburgh, Scotland, May 2004.
• Opportunities and Challenges for Modeling and Simulating Free/Open Source Software Processes, working paper, Institute for Software Research, October 2004, based on a Keynote Address presented at the Proc. 5^th. Intern. Workshop on Software Process Simulation and Modeling, Edinburgh, Scotland, May 2004.
• Data Mining for Software Process Discovery in Open Source Software Development Communities, (with Chris Jensen), Proc. Workshop on Mining Software Repositories, 96-100, Edinburgh, Scotland, May 2004.
• Socio-Technical Interaction Networks in Free/Open Source Software Development Processes, in S.T. Acuña and N. Juristo (eds.), Software Process Modeling, 1-27, Springer Science+Business Media Inc., New York, 2005.
• Discovering, Modeling, and Reenacting Open Source Software Development Processes, (with Chris Jensen), revised version in S.T. Acuna and M.I. Sanchez-Segura (eds.), New Trends in Software Process Modeling, Series in Software Engineering and Knowledge Engineering, Vol. 18, 1-20, 2006.
• Continuous Design of Free/Open Source Software: Workshop Report and Research Agenda, (with Les Gasser), UCI-UIUC Workshop on Continuous Design of Open Source Software, 15 October 2003.
• Understanding Continuous Design in F/OSS Projects, (with Les Gasser, G. Ripoche, and B. Penne), 16^th. Intern. Conf. Software & Systems Engineering and their Applications, Paris, December 2003.
• Socio-Technical Design, in W. S. Bainbridge (ed.), The Encyclopedia of Human-Computer Interaction, 656-659, Berkshire Publishing Group, 2004.
• Free/Open Source Software Development Practices in the Computer Game Community, IEEE Software, 21(1), 59-67, January/February 2004.
• Understanding Free/Open Source Software Evolution, revised version in N.H. Madhavji, J.F. Ramil and D. Perry (eds.), Software Evolution and Feedback: Theory and Practice, 181-206, John Wiley and Sons Inc, New York, 2006.
• Free Software Development: Cooperation and Conflict in A Virtual Organizational Culture, (with Margaret Elliott), revised version in S. Koch (ed.), Free/Open Source Software Development, 152-172, Idea Publishing, Pittsburgh, PA, 2005.
• Free Software Developers as an Occupational Community: Resolving Conflicts and Fostering Collaboration, (with Margaret Elliott), Proc. ACM Intern. Conf. Supporting Group Work (Group'03), 21-30, Sanibel Island, FL, November 2003.
• When is Free/Open Source Software Development Faster, Better, and Cheaper than Software Engineering? Working Paper, Institute for Software Research, UC Irvine, April 2003.
• Simulating an Automated Approach to Discovery and Modeling of Open Source Software Development Processes, (with Chris Jensen), Proc. ProSim'03 Workshop on Software Process Simulation and Modeling, Portland, OR May 2003.
• Issues and Experiences in Modeling Open Source Software Processes, Proc. 3^rd. Workshop on Open Source Software Engineering, 25th. Intern. Conf. Software Engineering, Portland, OR, May 2003.
• Automating the Discovery and Modeling of Open Source Software Processes, (with Chris Jensen), Proc. 3^rd. Workshop on Open Source Software Engineering, 25th. Intern. Conf. Software Engineering, Portland, OR, May 2003.
• Communicating and Mitigating Conflict in Open Source Software Development Projects, (with Margaret Elliott), Projects & Profits, IV(10), 25-41, October 2004.
• Open EC/B:  A Case Study in Electronic Commerce and Open Source Software Development, Working Paper, Institute for Software Research, UC Irvine, July 2002.
• Open Acquisition: Combining Open Source Software Development with System Acquisition, Working Paper, Institute for Software Research, UC Irvine, July 2002.
• Understanding the Social, Technological, and Policy Implications of Open Source Software Development, position paper presented at the NSF Workshop on Open Source Software, January 2002 (revised August 2002).
• Understanding the Requirements for Developing Open Source Software Systems, IEE Proceedings--Software, 149(1), 24-39, February 2002.
• Hypertext for Software Engineering, revised version appears in J. Marciniak (ed.), Encyclopedia of Software Engineering, 2nd. Edition, Wiley, 612-621, 2002 (in PDF).
• Process Models in Software Engineering, revised version to appear in J. Marciniak (ed.), Encyclopedia of Software Engineering, 2nd. Edition, Wiley, 993-1005, 2002 (in PDF).
• Modeling and Simulating Software Acquisition Process Architectures, (with James Choi) appears in Journal of Systems and Software, 59(3), 343-354, 15 December 2001 (in PDF).
• Software Development Practices in Open Software Development Communities, presented at the 1st Workshop on Open Source Software Engineering, Toronto, Ontario, May 2001).
• Specifying Process-Oriented Hypertext for Organizational Computing, (with John Noll) appears in J. Network and Computer Applications, 24(1):39-61, 2001 (in PDF or in Postscript).
• Understanding Software Process Redesign using Modeling, Analysis and Simulation, revised version appears in Software Process--Improvement and Practice, 5(2/3), 183-195, 2000.
• Redesigning Contracted Service Procurement for Internet-based Electronic Commerce: A Case Study, appears in J. Information Technology and Management, 2(3), 313-334, 2001.

• List of abstracts and links to some other research papers that I have (co-)authored

Web accessible presentations  (in HTML, PDF, or PPT)

• Processes in Securing Open Architecture Software Systems (PDF)
• Creating Opportunitities for Computer Game R&D Projects (PDF)
• Center for Computer Games and Virtual Worlds (PDF)
• Game Development Competitions: Software Engineering as a Team Sport (PDF)
• Computer Games and Virtual Worlds: New Modalities for Rehabilitation and Therapy (PDF)
• Modding as an Open Source Approach to Extending Computer Game Systems, and a related paper can be found here.
• Free/Open Source Software Development as an Approach to Global Software Engineering (PDF), and a related paper can be found here
• Computer Games and Virtual Worlds for Health, Assistive Therapeutics and Performance Enhancement (PDF)
• Game-Based Virtual Worlds as Decentralized Virtual Activity Systems (PDF)
• Recent Advances in Virtual Worlds for Science and Technology Research and Development (PDF)
• Open Source Software: Issues, Challenges, and Opportunities (PDF)
• The Process of Innovation in Computing: A Personal 30 Year Perspective (PDF)
• Free/Open Source Software Development: Recent Research Results and Emerging Opportunities (PDF), or the full paper can be found here
• Recent Developments in Science Learning Games for Informal Science Education (PDF)
• Web 3.0: Game Web Research at the UCI Game Lab (PDF) (RM video)
• Research and Educational Innovations in Computer Games (PDF)
• Enabling Exponential Innovation via Open Source Software Development (PDF)
• Recent Advances in Science Learning Games (PDF)
• Identifying New Market Opportunities through Process Discovery (PDF)
• Computing Gaming as a Social Movement (PDF)
• Innovations in Informal Science Education: DinoQuest and DinoQuest Online  (PDF)
• Patterns of Sustained Collaborative Creativity Across Open Computerization Movements (PDF)
• Collaboration Infrastructure for a Virtual Residency in Game Culture and Technology (PDF)
• Opportunities for Game Culture and Technology in Public Libraries (PDF)
• Understanding and Improving Software Productivity (PDF), or a vintage paper can be found here.
• Computer Games, Open Source Software, and other Socio-Technical Processes (PDF)
• Discovering, Modeling, and Reenacting Free/Open Source Software Development Processes and Practices, or the paper can be found here.
• Collaboration, Leadership, Control, and Conflict Negotiation in the NetBeans.org Community, or the paper can be found here
• Modeling and Simulating Free/Open Source Software Development Processes, or the full paper can be found here.
• Strategies for Developing and Deploying Free/Open Source Software
• Understanding the Requirements for Developing and Designing Open Source Software
• Software Process Simulation and Modeling: A Review
• Simulating an Automated Approach to Discovery and Modeling of Open Source Software Development Processes, or the full paper can be found here
• Understanding the Potential for Open Government: Open Source Processes for E-Government
• The UCI Game Lab Research Program
• Understanding the Requirements for Open Source Software System Development, or the full paper can be found here
• Understanding and Visualizing Information Work Processes and Practices
• Understanding and (Re)Designing Software Development Processes
• Understanding, Communicating, and (Re)Designing Complex Organizational Processes
• Process Life Cycle Engineering, or the full paper can be found here.
• Experience with Software Process Simulation and Modeling,or the full paper can be found here.
• Supporting Software Development in Virtual Enterprises,or the full paper can be found here.
• Understanding Work Processes and Practices: A Computational Approach
• Developing a Knowledge Web for Process Redesign, or the full paper can be found here.
• Computational Business Processes as Software Components for Electronic Commerce, or a position paper can be found here.
• (Re)Designing Software Production Architectures
• Experience with Software Architectures and Configured Software Descriptions, or a position paper can be found here.

Current/Vintage Editorial Board Positions

• Intern. J. Open Source Software & Processes, (http://www.igi-global.com/journals/details.asp?ID=7978&v=callForPapers)
• Journal of Software: Evolution and Process (http://onlinelibrary.wiley.com/journal/10.1002/%28ISSN%292047-7481),
  
• formerly Journal of Software Maintenance and Evolution: Research and Practice
  
• formerly Software Process -- Improvement and Practice (http://www.interscience.wiley.com/jpages/1077-4866/)
• Journal of Computer Supported Cooperative Work (http://www.wkap.nl/journalhome.htm/0925-9724)
• Intern. J. Social and Humanistic Computing (IJSHC), (http://www.inderscience.com/browse/index.php?journalID=225) 
• Encyclopedia of Software Engineering (2nd. Edition, 2002), John Wiley and Sons, Inc.

Other Interests

Having a good time!

Playing games and having fun ;-)