publications


2016
C. Barot, M. Buro, M. Cook, M. Palosaari Eladhari, B. Li, A. Liapis, M. Johansson, J. McCoy, S. Ontañón, J. Rowe, E. Tomai, H. Verhagen, A. Zook. The AIIDE 2015 Workshop Program. AI Magazine 37(2), pp. 91 – 94. doi: dx.doi.org/10.1609/aimag.v37i2.2660

H. Warpefelt,H. Verhagen. A Typology of Non-Player Characters. Presented at SBG 2016 @ FDG-Digra.

P. Noriega, H. Verhagen, M. d’Inverno, J. Padget. A manifesto for conscientious design of hybrid online social. Accepted for presentation at COIN++ 2016 @ ECAI.

H. Verhagen, N. Wijermans, M. Holmström. Alea lacta est – the use of computer games for experimental grounding of simulation models. Accepted for presentation at SSC 2016.

C. Elsenbroich, H. Verhagen. “Is it just me?”: Mechanisms, Agent-Based Modelling and Methodological Individualism. Accepted for presentation at ENPOSS 2016.

J. Collins, A. Mottrie, A. Hosseini, B. Challacombe, C. Adding, P. Dasgupta, W. Artibani, R. Gaston, T. Piechaud, P. Sooriakumaran, G. Pini, A. Nilsson, E. Fragkiadis, A. Tewari, K. Badani, I. Gill, M. Desai, V. Patel, R. Ahlawat, D. Murphy, R. Coelho, K. Rha, G. Gandaglia, H. Verhagen, P. Wiklund. MP11-12 Live streaming of robotic surgery from leading educational centres enables a global approach to surgical teaching. The Journal of urology 195(4):e116 · April 2016

C. Elsenbroich, H. Verhagen. The Simplicity of Complex Agents – A Contextual Action Framework for Computational Agents. Journal of Mind & Society, 15 (1), pp. 131 – 143. doi:10.1007/s11299-015-0183-y

H. Verhagen, M. Johansson, W. Jager (in press). Games and Online Research Methods. In: Handbook of Online Research Methods second edition, SAGE.

P. Davidsson, F. Klügl, H. Verhagen (in press). Simulation of Complex Systems. In: Handbook of Model-Based Science, Springer.

C. Elsenbroich, H. Verhagen, K. Fällström (in press). Modelling Contextual Decision Making in Dilemma Games. In: Social Simulation 2015 proceedings, Springer.

2015
P. Noriega, J. Padget, H. Verhagen, M. d’Inverno. Towards a Framework for Socio-Cognitive Technical Systems. In: A. Ghose, N. Oren, P. Telang, J. Thangarajah (Eds.), Coordination, Organizations, Institutions, and Norms in Agent Systems X, Springer Lecture Notes in Computer Science 9372, pp. 164-181.

J. Collins, H. Verhagen, A. Mottrie, P. Wiklund. Application and Integration of Live Streaming from Leading Robotic Centres Can Enhance Surgical Education. European Urology, Volume 68 Issue 5, November 2015, pp. 747-749.

C. Elsenbroich, H. Verhagen, K. Fällström. Modelling Contextual Decision Making in Dilemma Games. Presented at Social Simulation 2015.

H. Warpefelt, H. Verhagen. Towards an updated typology of non-player character roles. Presented at International Conference on Game and Entertainment Technologies (GET) 2015.

B. Strååt, H. Verhagen. Top Versus Bottom: Game Evaluation from an Expert or Player Perspective. Presented at FDG2015.

M. Johansson, H. Verhagen, Y. Kou. I am being watched by the Tribunal – trust and control in Multiplayer Online Battle Arena games. Presented at FDG2015.

C. Elsenbroich, H. Verhagen. Norms and Collectives – Between Narratives, Simulations and Games. Presented at NorMAS2015.

2014
M. Johansson, H. Verhagen, R. Ramberg, S. Selander, A. Åkerfeldt and C. Weidong, Design for meaningful learning. Writer’s hut proceedings, DSV, Stockholm 2014.

P. Noriega, J. Padget, H. Verhagen, M. D’Inverno. (De)Constructing Artificial Socio-Cognitive Systems. Presented at Modelling and Design of Socio-Technical Systems, November 2014, Delft.

T. Balke, S. Mahmoud, M. Neumann, H. Verhagen. Analysing the Electrical Patient Recruiting Agent system using the WIT trinity. Presented at ECSI2104, November 2014, Barcelona.

C. Elsenbroich, H. Verhagen. Individual, Social, Collective: Bases of Decision Making. Presented at ECSI2104, November 2014, Barcelona.

M. Johansson, H.Verhagen, A. Åkerfeldt, S. Selander. How to design for meaningful learning – finding the balance between learning and game components. Proceedings of the European Conference on Games Based Learning 2014, Vol. 1, pp. 216 – 226.

M. Tedre, H. Verhagen. Research Methodology Education in Computing: Arrangements and Results from Two Courses. Frontiers in Education 2014, October 2014, Madrid. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7044097

B. Strååt, H. Verhagen. VOX POPULI – A Case Study of User Comments on Contemporary Video Games in Relation to Video Game Heuristics. Presented at GameOn 2014, September 2014 Lincoln UK.

H. Verhagen. Norms, individualist and collectivist perspectives (on decision making). Presented at Normative Multiagent Systems (NorMAS) 2014.

C. Elsenbroich, H. Verhagen. Collectives – How to Change Your World. Presented at Computational Social Science and Social Computer Science: Two Sides of the Same Coin workshop, June 2014, Surrey University.

K. Hansson, H. Verhagen, P. Karlström, A. Larsson. Reputation, Inequality and Meeting Techniques: visualizing user hierarchy to support collaboration, Computational & Mathematical Organization Theory, 20(2): 155-175 (2014).

P. Noriega, J. Padget, H. Verhagen, M. D’Inverno. The Challenge of Artificial Socio-Cognitive Systems. Presented at COIN 2014.

M. Johansson, B. Strååt, H. Warpefelt, H. Verhagen. Analyzing the social dynamics of non-player characters. In: S. Meijer, R. Smeds (Eds.), Frontiers in Gaming Simulation, Springer, pp. 173-187.

M. Eladhari, H. Verhagen, J. McCoy, M. Johansson. Introduction. In: Proceedings of Social Believability in Games Workshop @ FDG 2014.

M. Johansson, H. Verhagen. Social believability in games — the early years. In: Proceedings of Social Believability in Games Workshop @ FDG 2014.

M. Johansson, B. Strååt, H. Warpefelt, H. Verhagen, Analyzing AI in NPCs – An Analysis of Twelve Games. Tn: Th. Quandt, S. Kröger (eds.). Multi.Player – The Social Aspects of Digital Gaming, Routledge, pp. 85 – 96.

2013
H. Verhagen. Is there an I in We? Combining individual and collective modes of decision making. Presented at NorMAS 2013.

C. Elsenbroich, H. Verhagen, Going Beyond Atomism: Modelling Collective Intention(ality). Presented at ENSO2013.

M. Johansson, M. Eladhari, J. McCoy, H. Verhagen, Social believablility in games. In: Proceedings of DIGRA 2013, pp. 216-228.

H. Warpefelt, M. Johansson, H. Verhagen, Analyzing the believability of game character behavior using the Game Agent Matrix. In: Proceedings of DIGRA 2013, pp. 70-81.

H. Verhagen, C. Elsenbroich, Computational Social Science and the Search for Mechanisms. Presented at workshop ASSCI: Analytical Sociology, Social Coordination and Informatics.

B. Hermelin, H. Verhagen, K. Westermark, The third global shift: ICT service from India to Sweden. Presented at Workshop on Reverse and intensified globalisation – the case of ICT. Flows and networks of trade, FDI, skilled labour, students, knowledge and ideas from India to regions in Europe, Linköping.

H. Verhagen, P. Noriega, M. d’Inverno. Towards a Design Framework for Controlled Hybrid Social Games. In: H. Verhagen, P. Noriega, T. Balke, M. de Vos (eds.), Social Coordination: Principles, Artefacts and Theories (SOCIAL.PATH), AISB symposium, pp. 83 – 89.

M. P. Singh, M. Arrott, T. Balke, A. Chopra, R. Christiaanse, S. Cranefield, F. Dignum, D. Eynard, E. Farcas, N. Fornara, F. Gandon, G. Governatori, H. Khanh Dam, J. Hulstijn, I. Krueger, H.-P. Lam, M. Meisinger, P. Noriega, B. T. R. Savarimuthu, K. Tadanki, H. Verhagen, S. Villata. The Uses of Norms. In: G. Andrighetto, G. Governatori, P. Noriega, L. van der Torre (eds.), Normative Multi-Agent Systems, Dagstuhl Follow-Ups.

T. Balke, S. Cranefield, G. Di Tosto, S. Mahmoud, M. Paolucci, B. T. R. Savarimuthu, H. Verhagen. Simulation and NorMAS. In: G. Andrighetto, G. Governatori, P. Noriega, L. van der Torre (eds.), Normative Multi-Agent Systems, Dagstuhl Follow-Ups.

K. Hansson, H. Verhagen, P. Karlström, A. Larsson. Reputation and Online Communication: Visualizing Reputational Power to Promote Collaborative Discussions. Proceedings of the 46th Hawaii International Conference On System Sciences, pp. 748 – 758, 2013.

M. Garcia-Yeste, M. Kuteeva, H. Verhagen. Learning to disseminate Computer Science: Who is the real expert here?
Presented at LSP2013.

P. Davidsson, H. Verhagen. Types of Simulation. In: B. Edmonds, R. Meyer (eds.), Simulating Social Complexity – A Handbook, Springer, pp. 23 – 36.

G. Boella, G. Pigozzi, P. Noriega, H. Verhagen. Introduction to the special issue on NorMAS 2009. Journal of Logic and Computation 23(2), pp. 307-308.

2012
M. Garcia-Yeste, M. Kuteeva, H. Verhagen. The public footprint of ICT pervasiveness: who is the real expert here? Presented at LINKD2012.

P. Davidsson, H. Verhagen. Social Phenomena Simulation. In: Computational Complexity, pp. 2999-3003, Springer, 2012. (Reprint of 2009 chapter with the same name).

B. Hermelin, H. Verhagen, K. Westermark. Transforming globalisation – ICT firms connecting Sweden and India. Presented at RESER2012.

C. Elsenbroich, H. Verhagen. Going Beyond Atomism: Intentionality, Sociality and (the Modelling of) Normative Behaviour. Presented at First European Network for the Philosophy of the Social Sciences Network Conference.

H. Verhagen, C. Elsenbroich. Putting the agent back together again – needs for integrating social and behavioural sciences for agent-based social simulation. Presented at the NorMAS 2012 Dagstuhl seminar.

T. Savarimuthu, M. Purvis, H. Verhagen. An agent-based simulation of employing social norms in energy conservation in households. (Extended version of 2011 paper with same name) In: S. Cranefield and I. Song (Eds.). Agent Based Simulation for a Sustainable Society and Multi-agent Smart Computing, pp. 16 – 31, Springer.

H. Verhagen, M. Eladhari, M. Johansson. The need for Socially Believable NPCs: Game Designers’ View. Presented at ECREA Temporary Working Group on Digital Games workshop.

M. Johansson, M. Eladhari, H. Verhagen. Complexity at the cost of control in game design?. Presented at CGAT 2012.

2011
G. Andrighetto, G. Boella, J. Simão Sichman, H. Verhagen. Preface to the Special Issue: Social Networks and Multiagent Systems. Journal of Computational and Mathematical Organization Theory, 17 (4), pp. 315-317, 2011.

T. Savarimuthu, M. Purvis, H. Verhagen. An agent-based simulation of employing social norms in energy conservation in households. IN: Proceedings of the Workshop on Agent Based Simulation for a Sustainable Society, Wollongong, Australia, 2011.

B. Hermelin, R. Demir, H. Verhagen. The geography and organisation of the global knowledge economy.In: Proceedings of the 2011 International Conference on Information Society (i-Society) pp. 16-21, IEEE, 2011.
Available online via http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=05978489

B. Hermelin, R. Demir, H. Verhagen. Reconsidering the Geographical Flows of the Global Knowledge Economy – The Example of Indian ICT-Based Knowledge Flows to Sweden. In International Journal of Digital Society 2 (2), 2011.
Online via http://www.infonomics-society.org/IJDS/Contents%20Page%20Volume%202%20Issue%202.pdf

K. Hansson, P. Karlström, A. Larsson, H. Verhagen. Actory: A Tool for Visualizing Reputation as a Means to Formalize Informal Social Behaviour. In: The second International Conference on Reputation: “Society, Economy, Trust” ICORE 2011 (electronic proceedings).

K. Hansson, H. Verhagen, P. Karlström, A. Larsson. Formalizing informal social behavior – developing a visual tool to support collaborative discussions. In: Proceedings of 7th International Conference on Collaborative Computing: Networking, Applications and Worksharing CCSocialComp-2011, pp. 422-429, IEEE Computer Society Digital Library, 2011.

M. Johansson, H. Verhagen. “Where is My Mind”- The Evolution of NPCs in Online Worlds. ICAART (2) 2011: 359-364.

M. Johansson, H. Verhagen, M. Eladhari. Model of social believable NPCs for teacher training. In: Proceedings of The 5th European Conference on Games Based Learning ECGBL 2011, pp. 771 – 774, Academic Publishing Ltd, 2011.
Available online via http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=06000351

M. Johansson, H. Verhagen, M. Eladhari. Model of social believable NPCs for teacher training using Second Life. In: Proceedings of the 16th International Conference on Computer Games CGAMES 2011, pp. 270 – 274, IEEE, 2011.

H. Verhagen, M. Eladhari, M. Johansson. Social believable NPCs: a conceptual model and analysis of current NPC models. Presented at Multi.player 2011, Stuttgart, July 2011.

F. Jonsson, H. Verhagen. Senses Working Overtime – On Sensuous Experiences and Public Computer Game Play. In: Advances in Computer Entertainment Technology, ACM, 2011 (electronic proceedings).

F. Jonsson, H. Verhagen. Sensing Gameplay. Exploring game play experiences in a game cafe and a mass LAN party. In: Proceedings of the 16th International Conference on Computer Games CGAMES 2011, pp. 134 – 141, IEEE, 2011.

P. Lankoski, A. Waern, A.- M. Thorhauge, H. Verhagen. Introduction to special issue: experiencing games: games, play and players. Editorial for Special Issue in Journal of Gaming and Virtual Worlds, 3 (3), pp. 175 – 180, 2011.

2010
G. Boella, G. Pigozzi, M. Singh, H. Verhagen. Normative Multiagent Systems: Guest Editors’ Introduction. In Logic Journal of the IGPL, Vol. 18, No. 1, pp. 1-3, Oxford University Press, 2010.

M. Johansson, H. Verhagen. Modelling the social fabric for normative NPCs in MMOGs. In: Proceedings of the Fifth International Workshop on Normative Multi-Agent Systems (NorMAS 2010), pp. 79-83, 2010.

M. Johansson, H. Verhagen. And Justice for All- the 10 commandments of Online Games- and the some…. In: Proceedings of DiGRA Nordic 2010: Experiencing Games: Games, Play, and Players, 2010 (electronic proceedings).
Available online via http://www.digra.org/dl/db/10343.53531.pdf

D. Razera de Azevedo, H. Verhagen, T. Cerratto-Pargman, R. Ramberg. Plagiarism awareness, perception, and attitudes among students and teachers in Swedish higher education – a case study. In: Proceedings of the 4th International Plagiarism Conference, 2010.

2009
P. Davidsson, H. Verhagen. Social Phenomena Simulation. In: Encyclopedia of Complexity and Systems Science, pp. 8375-8379, Springer, 2009.

M. Johansson, H. Verhagen. Massively multiple online role playing games as normative multiagent systems. Vol. 09121, Schloss Dagstuhl – Leibniz-Zentrum fuer Informatik, Germany, 2009.

H. Verhagen, T. Cerratto-Pargman, H. Hansson, K. Näckros, R. Ramberg, G. Wettergren. Control, creativity and cheating in traditional and flexible education – Validating students knowledge in higher education in three educational setups. In: Proceedings of the 23rd ICDE World Conference on Open Learning and Distance Education, 2009.

H. Verhagen, M. Johansson. Demystifying guilds: MMORPG-playing and norms. in: Proceedings of Digra 2009.
Available online via http://digra.org:8080/Plone/dl/db/09291.50401.pdf

2008
G. Boella, L. van der Torre, H. Verhagen. Introduction to the special issue on normative multiagent systems. In Autonomous Agents and Multi-Agent Systems, Vol. 1, No. 1387-2532, pp. 1-20, Springer, 2008.

R. Hermoso, H. Verhagen. Analyzing Trust Mechanisms using a Meta-framework for Human Behaviour in Virtual Organizations. In: Proceedings of 6th European Workshop on Multiagent Systems, 2008.

2007
G. Boella, L. van der Torre, H. Verhagen. Introduction to Normative Multiagent Systems. 2007.

G. Boella, L. van der Torre, H. Verhagen. Roles, an Interdisciplinary Perspective. In Applied ontology, Vol. 2, pp. 81-88, 2007.

H. Verhagen. Normtypologies. In Guido Boella, Leendert W. N. van der Torre, Harko Verhagen, editors, Normative Multi-agent Systems, 18.03. – 23.03.2007. Volume 07122 of Dagstuhl Seminar Proceedings, Internationales Begegnungs- und Forschungszentrum fuer Informatik (IBFI), Schloss Dagstuhl, Germany, 2007.

2006
G. Boella, L. van der Torre, H. Verhagen. Introduction to Normative Multiagent Systems. Journal of Computational and Mathematical Organization Theory, Vol. 2/3, pp. 71-80, 2006.

C. Spada, H. Verhagen. The Bureaucratic Agent: Simulating Meritocracy and Hierarchical Decision-Making in Multi-Agent Systems. In: The Annual conference of the North American Association of Computational Social and Organizational Science (NAACSOS’06), Notre Dame, 2006.

H. Verhagen. Multiagent Systems Research and Social Science Theory Building: Towards a Bi-Directional Relationship. In J. Rennard (Ed.), Handbook of Research on Nature-Inspired Computing for Economics and Management, pp. 101 – 110, IDEO Group, 2006.

2005
G. Boella, L. van der Torre, H. Verhagen. Introduction to Normative Multiagent Systems. In: Guido Boella, Leendert van der Torre, and Harko Verhagen (eds.), Proceedings of NorMAS2005, Hatfield, 2005. Pages 1 – 7.

J. Kummeneje, H. Verhagen. Teaching Agent Programming to a Hybrid Student Population, Italics ((Innovations in Teaching and Learning in Information and Computer Sciences), the electronic journal of the Higher Education Academy), 4 (3), October 2005.
An improved version of the TeachMAS article below.

J. Kummeneje, H. Verhagen. Teaching Programming in Sweden: Experiences and Advice. Proceedings of TeachMAS05.

2004
H. Verhagen. Autonomy and Reasoning for Natural and Artificial Agents. In: Matthias Nickles, Michael Rovatsos, Gerhard Weiß (Eds.): Agents and Computational Autonomy – Potential, Risks, and Solutions. Lecture Notes in Computer Science 2969 Springer, p. 83-94, 2004.

L. van der Torre, H. Verhagen. Normative Multiagent Systems. Tutorial material for a tutorial at the Sixth European Agent Systems Summerschool, Liverpool, July 2004.

G. Boella, H. Verhagen. Normative Multiagent Systems: An Introduction to Social Theory for MAS Researchers. Tutorial material for a tutorial at Intelligent Agent Technology 2004 and Web Intelligence 2004, Beijing, September 2004.

2003
L. Brouwers, H. Verhagen. Applying the Consumat Model to Flood Management Policies, Agent-Based Simulation 4 , April 28–30, Montpellier, France.

M. Ekelin, D. Samuelsson, H. Verhagen. Achieving a Rewarding Meeting with an Artificial Chairman. In: Proceedings of the Workshop on Collaboration Agents: Autonomous Agents for Collaborative Environments, Ali Ghorbani and Steven Marsh (eds.), p. 103 – 114, 2003.

P. Buhler, J. M. Vidal, H. Verhagen. Adaptive Workflow = Web Services + Agents. ICWS 2003: p. 131-137.

2002
L. Brouwers, H. Verhagen. Towards a Fair Distribution of Losses: Simulation of a Flood Scenario . Proceedings of the Agent 2002 Conference on Social Agents: Ecology, Exchange, and Evolution, Charles Macal and David Sellach (eds.), p. 123 – 131, 2002.

2001
M. Boman, L. Brouwers, K. Hansson, C.-G.Jansson, J. Kummeneje, H. Verhagen. Artificial Agent Action in Markets, Electronic Commerce Research 1(1/2): 159-168.

H. Verhagen, L. Brouwers. Agent Models of Catastrophic Events, Proceedings of the Second International Workshop of Central and Eastern Europe on Multi-Agent Systems, pages 307 – 313.

H. Verhagen. Simulation of the Learning of Norms, Social Science Computer Review 19 (3), 296 – 306.

H. Verhagen. Artificial Agent Modeling for Hybrid Social Spaces, In: H. Hexmoor, C. Castelfranchi, R. Falcone, and M. Cox (eds.), IJCAI 2001 workshop Agent-2, pages 122 – 127, invited paper.

2000
H. Verhagen. Norm Autonomous Agents (PhD thesis). Defended on May 19, 2000. DSV technical report 00-004.

M. Boman, P. Davidsson, J. Kummeneje, H. Verhagen. An Anticipatory Multi-Agent Architecture for Socially Rational Action, In: E. Pagello, F. Groen, T. Arai, R. Dillmann and A. Stentz, editors, Intelligent Autonomous Systems 6, IOS Press, 2000.

H. Verhagen. Trust and Norms for Artificial Agents,Presented at the International ICSC Symposium on Multi-Agents and Mobile Agents in Virtual Organizations and E-Commerce (MAMA2000). Proceedings on CD-ROM.

1999
H. Verhagen, M. Boman. Adjustable Autonomy, Norms and Pronouncers, , p. 124 – 127 of the Proceedings of the 1999 AAAI Spring Symposium on Agents with Adjustable Autonomy. Proceedings available via AAAI.

H. Verhagen, J. Kummeneje. Adjustable Autonomy, Delegation and Distribution of Decision Making, Proceedings of the 1st Internatational Workshop of Central and Eastern Europe on Multi-Agent Systems (CEEMAS 99), p. 301 – 306, 1999.

H. Verhagen. On the Learning of Norms, poster presentation at MAAMAW 99.

H. Verhagen, M. Boman. Norms can replace plans, invited paper presented at the IJCAI 99 Workshop on Adjustable, Autonomous Systems. Proceedings workshop PLAN-1 – Adjustable Autonomy Systes, David Kortenkamp (ed.), p. 65 – 67.

1998
H. Verhagen. Agents and Sociality (licentiate thesis), June 1998. DSV report 98-003.

H. Verhagen. ACTS in action: Sim-ACTS – a simulation model based on ACTS theory. In: Multi-Agent Systems and Agent-Based Simulation, Sichman, Conte and Gilbert (eds), LNAI series, volume 1534, Berlin, Springer-Verlag, p. 199 – 209, 1998.

M. Boman, H. Verhagen. Social Intelligence as Norm Adaptation, presented at the workshop on Socially Situated Intelligence, 5th International Conference on Simulation of Adaptive Behavior, 1998. P. 17 – 24 in the workshop proceedings edited by Bruce Edmonds and Kerstin Dautenhahn.

1997
H. Verhagen, R. Smit. Multiagent systems as simulation tools for social theory testing, poster presentation at International Conference on Computer Simulation and the Social Sciences (ISSC&SS), Cortona, 1997.

1996
H. Verhagen, R. Smit. Modelling Social Agents in a Multiagent World, In W. van de Velde and J.W. Perram, editors, Position papers MAAMAW 1996, Technical report 96-1. Vrije Universiteit Brussel – Artificial Intelligence Laboratory, 1996.

1995
R. Smit, H. Verhagen. On being social: degrees of sociality and models of rationality in relation to multiagent systems,, presented at the 1995 AAAI Fall Symposium on Rational Agency: Concepts, Theories, Models and Applications, p. 131 – 136. Proceedings unpublished.

1994
H. Verhagen, M. Masuch. TASCCS: A Synthesis of Double-AISS and Plural-Soar. In: Carley and Prietula (eds.), Computational Organization Theory, Lawrence Erlbaum Associates, p. 39 – 54, 1994.

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Harko Verhagen

I am a teacher and researcher at the Department of Computer and Systems Sciences, part of Stockholm University.