Papers

• Samarth Swarup and Les Gasser
  "The Iterated Classification Game:
  A New Model of the Cultural Transmission of Language."
  Adaptive Behavior 17:3, March, 2009.
  (512Kb .pdf)

• Zsuzsanna Fagyal, Samarth Swarup, Anna Maria Escobar, Les Gasser, and Kiran Lakkaraju
  "Centers, peripheries, and popularity: the emergence of norms in simulated networks of linguistic influence"
  Presented at the NWAV-37 conference on New Ways of Analyzing (Language) Variation (and Change)
  Houston, Tx, November, 2008.
  (112Kb .pdf)

• Quincy E. Mitchell, Les Gasser, and Kiran Lakkaraju
  "Why Scalable Distributed Multi-Agent Simulation is Hard"
  Presented at the 19TH Annual Argonne Symposium for
      Undergraduates in Science, Engineering and Mathematics
  November, 2008.
  ( .pdf)

• Samarth Swarup and Les Gasser
  "The Classification Game: Combining Supervised Learning and Language Evolution"
  Connection Science (in press).
  (936 Kb .pdf)

• Samarth Swarup and Les Gasser
  "Collaborative Tagging as Information Foraging"
  Tech Report UIUCLIS--2008/1+ID
  Graduate School of Library and Information Science
  University of Illinois at Urbana-Champaign
  (244Kb .pdf)

• Kiran Lakkaraju and Les Gasser
  "Norm Emergence in Complex Ambiguous Situations."
  In Proceedings of the AAAI Workshop on Coordination, Organizations, Institutions and Norms
  AAAI, Chicago, July, 2008.
  (495 Kb .pdf)

• Stvilia, B. and Gasser, L.
  "An activity theoretic model for information quality change."
  First Monday, 13(4), April, 2008.
  (444 Kb .html)

• Samarth Swarup and Les Gasser
  "Language Evolution on a Dynamic Social Network."
  Paper presented at the MORS Workshop on "Analyzing the Impact of Emerging Societies on National Security",
  Argonne National Laboratory, Argonne, IL, 14-18 April 2008.
  (1.1Mb .pdf)

• Stvilia, B., Twidale, M., Smith, L. C., Gasser, L.
  "Information quality work organization in Wikipedia."
  JASIST, 59(6), 983-1001, April, 2008. (1.6 Mb .pdf)

• Besiki Stvilia and Les Gasser,
  "Value based metadata quality assessment."
  Library & Information Science Research 30(1), pp. 67-74, March, 2008
  (318 Kb .pdf)

• Samarth Swarup and Les Gasser,
  "Simple, But Not Too Simple: Learnability vs. Functionality in Language Evolution"
  In Proceedings of Evolang 2008.
  (193Kb .pdf)

• Kiran Lakkaraju, Les Gasser, and Samarth Swarup,
  "Language Scaffolding as a Condition for Growth in Linguistic Complexity."
  In Proceedings of Evolang 2008.
  (154Kb .pdf)

• Kiran Lakkaraju and Les Gasser,
  "Three Issues in Modeling the Language Convergence Problem as a Multi-Agent Agreement Problem."
  In Proceedings of Evolang 2008.
  (64Kb .pdf)

• Hamid R. Ekbia and Les Gasser
  "Seeking Reliability in Freedom: The Case of F/OSS."
  in Margaret Elliot and Kenneth L. Kraemer, eds.
  Computerization Movements and Technology Diffusion: From Mainframes to Ubiquitous Computing (Ch. 15)
  Information Today, Inc., 2008.
  (752Kb .pdf)

• Stvilia, B., Gasser, L., Twidale M., B., Smith L. C.
  "A Framework for Information Quality Assessment."
  JASIST, 58(12), 1720-1733, October, 2007.
  (576 Kb .pdf)

• Hamid R. Ekbia and Les Gasser
  "Common Ground: For a Sociology of Code."
  Information Technology and People, special issue on Social Theory.
  (Submitted, 2007)
  (481Kb .pdf)

• Les Gasser, Kiran Lakkaraju, and Samarth Swarup.
  Abstracts of four presentations at
  "Statistical Physics of Social Dynamics: Opinions, Semiotic Dynamics, and Language"
  Erice, Sicily, July 13-19, 2007.
  (html)

• Samarth Swarup and Les Gasser
  "Unifying Evolutionary and Network Dynamics"
  Physical Review E 75, 066114, 2007
  (Also in ArXiv)
  (284Kb .pdf)

• Samarth Swarup and Les Gasser
  "The Role of Anticipation in the Emergence of Language."
  In M. Butz, O. Sigaud, G. Baldasarre, G Pezzulo (eds.),
  Anticipatory Behavior in Adaptive Learning Systems
  LNAI/LNCS, Springer, 2007.
  (232Kb .pdf)

• Kiran Lakkaraju and Les Gasser
  "A Unified Framework for Multi-Agent Agreement"
  (A shorter version appears in Proceedings of AAMAS07)
  (374Kb .pdf)

• Samarth Swarup and Les Gasser
  "Noisy preferential attachment and language evolution."
  (A shorter version appears in Proceedings of AAMAS06)
  In From Animals to Animats 9: Proceedings of the Ninth International Conference on the Simulation of Adaptive Behavior.
  Rome, Italy, 2006.

• Samarth Swarup, Kiran Lakkaraju, and Les Gasser
  "Learning a Common Language Through an Emergent Interaction Topology"
  (A shorter version appears in Proceedings of AAMAS06)
  (308Kb .pdf)

• Jun Wang, Les Gasser, and Jim Houk
  "Convergence Analysis for Collective Vocabulary Development"
  (A shorter version appears in Proceedings of AAMAS06)
  (176Kb .pdf)

• Michael Huhns, Munindar Singh, Mark Burstein, Keith Decker, Ed Durfee,
  Tim Finin, Les Gasser, Hrishikesh Goradia, Nick Jennings, Kiran Lakaraju,
  Hidey Nakashima, Van Parunak, Jeff Rosenschein, Alicia Ruvinsky,
  Gita Sukthankar, Samarth Swarup, Katia Sycara, Milind Tambe,
  Tom Wagner and Laura Zavala,
  "Research Directions for Service-Oriented Multiagent Systems,"
  IEEE Internet Computing, 9(6): 52-57, (November/December 2005).
  (220 kb .pdf)

• Robert J. Sandusky and Les Gasser
  "Negotiation and the Coordination of Information and Activity in Distributed Software Problem Management"
  In Proceedings of the ACM Group 2005 Conference
  Sanibel Island, FL, November, 2005.
  (258Kb .pdf)

• Les Gasser and Hamid Ekbia
  "Mediated Interaction in Distributed Collectives and Local Communities"
  Presented at the 2nd International Conference on Communities and Technologies,
  Milano, Italy, 13-16 June 2005.
  (84 Kb .pdf)

• Toru Ishida, Les Gasser, and Hideyuki Nakashima (Eds)
  Massively Multi-Agent Systems I.
  LNCS #3446, Springer Verlag, 2005.
  

• Tom Wagner, Les Gasser, Michael Luck, James Odell, and Todd Carrico
  "Impact for Agents,"
  in Proceedings of AAMAS-2005 (Industry Track),
  Utrecht, Netherlands, July, 2005.
  (352Kb .pdf)

• Les Gasser, Gabriel Ripoche, Bob Sandusky, and Walt Scacchi.
  "A Global Research Infrastructure for Multidisciplinary Empirical Science of Free/Open Source Software: A Position Paper."
  Working Paper LG-2005-05 (Version 1h)
  Graduate School of Library and Information Science
  University of Illinois, April, 2005.
  (132kb .pdf)
  (This is a revised version of the MSR paper cited below.)

• Besiki Stvilia, Les Gasser, Michael B. Twidale, Sarah L. Shreeves, and Tim W. Cole
  "Metadata Quality for Federated Collections,"
  In Proceedings of the 9th International Conference on Information Quality,
  Cambridge, MA, November, 2004.
  (69Kb .pdf)

• Les Gasser, Kelvin Kakugawa, Brant Chee and Marc Esteva
  "Smooth Scaling Ahead: Progressive MAS Simulation from Single PCs to Grids"
  in Paul Davidsson, Brian Logan, and Keiki Takadama (Eds.)
  Multi-Agent and Multi-Agent-Based Simulation.
  Lecture Notes in Computer Science 3415, Springer, 2005
  (118Kb .pdf)

• Robert J. Sandusky, Les Gasser, and Gabriel Ripoche
  "Bug Report Networks: Varieties, Strategies, and Impacts in an OSS Development Community "
  In Proceedings of the ICSE Workshop on Mining Software Repositories
  Edinburgh, Scotland, UK, 25 May, 2004, pgs 80-84.
  (168Kb .pdf)

• Les Gasser, Gabriel Ripoche, and Robert J. Sandusky
  "Research Infrastructure for Empirical Science of FOSS"
  In Proceedings of the ICSE Workshop on Mining Software Repositories
  Edinburgh, Scotland, UK, 25 May, 2004
  (HTML). Also here as .pdf (56Kb .pdf)
  (A revised version of this paper is cited above as Working Paper LG-2005-05.)

• Jun Wang and Les Gasser.
  "Multi-Agent Service Description/Discovery Games."
  Submitted to AAMAS-2004
  Graduate School of Library and Information Science,
  University of Illinois, January, 2004.
  (125Kb .pdf)

• Gabriel Ripoche and Les Gasser,
  "Extraction automatique de modèles de processus pour l'étude de la résolution collective de problèmes dans les communautés du logiciel libre."
  Génie Logiciel, N° 67, pages 14-19, Décembre 2003. (in French).
  (928 Kb .pdf)

• Les Gasser and Gabriel Ripoche,
  "Distributed Collective Practices and F/OSS Problem Management: Perspective and Methods,"
  2003 Conference on Cooperation, Innovation & Technologie, (CITE2003)
  University de Technologie de Troyes, France,
  December, 2003.
  (362 Kb .pdf)

• Gabriel Ripoche and Les Gasser,
  "Scalable Automatic Extraction of Process Models for Understanding F/OSS Bug Repair."
  16th International Conference on Software Engineering & its Applications (ICSSEA-03),
  Paris, France, December, 2003.
  (908 Kb .pdf)

• Les Gasser, Walt Scacchi, Gabriel Ripoche, and Bryan Penne,
  "Understanding Continuous Design in F/OSS Projects."
  16th International Conference on Software Engineering & its Applications (ICSSEA-03),
  Paris, France, December, 2003.
  (44 Kb .pdf)

• Les Gasser and Walt Scacchi,
  "Continuous Design of Free/Open Source Software: Preliminary Workshop Report and Research Agenda."
  Irvine, CA and Champaign, IL, October, 2003.
  (120 Kb .pdf)

• Jun Wang, Bei Yu, and Les Gasser,
  "Concept Tree Based Clustering Visualization with Shaded Similarity Matrices."
  in Vipin Kumar, Shusaku Tsumoto, Ning Zhong, Philip S. Yu, and Xindong Wu (Eds.)
  Proceedings of 2002 IEEE International Conference on Data Mining (ICDM'02)
  Maebashi, Japan, IEEE Computer Society, pp. 697-700, December, 2002.
  (93 Kb .pdf)

• Jun Wang, Bei Yu, and Les Gasser,
  "Classification Visualization with Shaded Similarity Matrices."
  Technical Report, GSLIS University of Illinois at Urbana-Champaign, 2002.
  (187 Kb .pdf)

• Jun Wang and Les Gasser.
  "Mutual Online Ontology Alignment."
  in Stephen Cranefield, Tim Finin, and Steve Willmott, eds.
  Proceedings of the Workshop on Ontologies in Agent Systems,
  1st International Joint Conference on Autonomous Agents and Multi-Agent Systems
  Bologna, Italy, 16 July 2002,
  CEUR Workshop Series Volume 66.
  (142Kb .pdf, A4 format)

• Jun Wang and Les Gasser.
  "Mutual Online Concept Learning for Multiple Agents."
  In Proceedings of AAMAS-2002
  Bologna, Italy, pgs. 362-369.
  (202Kb .pdf)

• Les Gasser and Kelvin Kakugawa.
  "MACE3J: Fast Flexible Distributed Simulation of Large, Large-Grain Multi-Agent Systems."
  In Proceedings of AAMAS-2002
  (GSLIS Tech Report [ISRN] UIUCLIS--2001/6+AMAS.
  Graduate School of Library and Information Science,
  University of Illinois, November, 2001.)
  (133Kb .pdf) [Finalist for Best Paper Award at this conference.]

• Les Gasser.
  "MAS Infrastructure Definitions, Needs, Prospects,"
  in Thomas Wagner and Omer Rana, editors,
  Infrastructure for Agents, Multi-Agent Systems, and Scalable Multi-Agent Systems,
  Springer-Verlag, 2001
  Also appears in ICFAI Journal of Managerial Economics, 11:2, May, 2004, pp 35-45.
  [Revised version of a paper of the same name that appeared in the
  Agents 2000 Workshop on Scalable MAS Infrastructure,
  Barcelona, Spain, June, 2000]
  (35kb .pdf file)

• Les Gasser
  "Organizations in multi-agent systems."
  10th European Workshop on Modeling Autonomous Agents in a Multi-Agent World (MAAMAW-2001)
  Annecy, France, 2001.
  (344kb .pdf file)

• Les Gasser.
  "Agents and Concurrent Objects."
  IEEE Concurrency, 6(4) pp. 74-77&81, October-December, 1998.
  (Interviewed by J-P. Briot) (HTML)

• Les Gasser
  "Social Conceptions of Knowledge and Action: Distributed Artificial Intelligence and Open Systems Semantics"
  Artificial Intelligence,
  January/February 1991.
  Reprinted in David Kirsh, ed., Foundations of Artificial Intelligence, Bradford Books, 1992, and in
  Michael N. Huhns and Munindar P. Singh. Readings in Agents, Morgan Kaufmann, 1997.
  In Postscript (300Kb) or PDF (334Kb).

• Les Gasser, Carl Braganza, and Nava Herman.
  "MACE: A Flexible Testbed for Distributed AI Research"
  in Michael N. Huhns, ed.
  Distributed Artificial Intelligence
  Pitman Publishers, 1987, 119-152.
  In Postscript (292Kb) or PDF (336Kb).

• Les Gasser.
  "The Integration of Computing and Routine Work."
  ACM Transactions on Information Systems.
  (Previously called ACM Transactions on Office Information Systems.)
  4:3, pp 205 - 225, July 1986.
  (1.73MB .pdf; this is a link to the page for this paper in the ACM Digital Library, and it may be access-controlled.)

Presentations (Somewhat out of date)

• Les Gasser and Bryan Penne, "Transformations of Knowledge in Online Communities." Project Document number UIUC-2003-01-PRESENTATION-LG+BP. Presentation made 1/27/2003 at the 1st International Conference on Social and Economic Implications of Information Technologies. Slides are Here in .pdf format.

• Les Gasser, " Dynamic, Self-Organizing, and Multi-Agent Information Structures,"
  Slides presented at Symposium on Understanding Complex Systems: Behavior of Open Multivariant Systems, Department of Physics, University of Illinois at Urbana-Champaign, May 15, 2001. (PDF, 241KB)

• Les Gasser, " Organizations and MAS,"
  Slides presented at MAAMAW-10, Annecy, France, May 2001. (PDF, 417KB)

• Les Gasser, "From Agents to Multi-Agent Systems: Innovation, Application, Science", Slides presented at the University of Maine Agents Institute, March, 2001. (.PDF, 87KB)