2024

M. Johansson, H. Verhagen, B. Strååt. Just because you´re paranoid, doesn´t mean they aren´t after you – Meaningful distrust and game design patterns: a study of 4 games. Accepted for presentation at Academic MindTrek 2024.

G. Polhill, M. Borit, C. Elsenbroich, H. Verhagen, N. Wijermans. Ethical Dimensions to Empirical Applications of Agent-Based Social Simulation. Presented at Social Simulation Conference 2024.

H. Verhagen, N. Wijermans, B. Edmonds, W. Hua. Invasion of the mind snatchers: the use of generative AI agents in agent-based social simulation. Presented at Social Simulation Conference 2024.

H. Verhagen, S. Moss, N. Gilbert, M. Paolucci, G. Andrighetto, W. Jager, A. Ernst, F. Squazzoni, G. Polhill, P. Ahrweiler. Past, present, and future of agent-based social simulation modelling – presidential views. Presented at Social Simulation Conference 2024.

H. Verhagen, C. Elsenbroich, N. Wijermans. Agent Decision-Making Heterogeneity – Agent (Meta)Frameworks for Agent-Based Modelling. In: C. Elsenbroich, H. Verhagen (Eds.), Advances in Social Simulation – Proceedings of the 17th Social Simulation Conference, Springer, pp. 621-630.

F. Giardini, M. Borit, H. Verhagen, N. Wijermans. Modeling Realistic Human Behavior in Disasters. A Rapid Literature Review of Agent-Based Models reviews. In: C. Elsenbroich, H. Verhagen (Eds.), Advances in Social Simulation – Proceedings of the 17th Social Simulation Conference, Springer pp. 151-162.

C. Elsenbroich, H. Verhagen (Eds.), Advances in Social Simulation – Proceedings of the 17th Social Simulation Conference, Springer.

P. Noriega, J. Padget, H. Verhagen, M. d’Inverno. Anchoring Online Institutions. In: P. Casanovas, E. Teodoro Martinez, M. Macías López (Eds.), Anchoring Institutions, Springer (in press).

2023
P. Noriega, H. Verhagen, J. Padget, M. d’Inverno. Addressing the Value Alignment Problem Through Online Institutions. In: N. Fornara, J. Cheriyan, A. Mertzani (Eds.), Coordination, Organizations, Institutions, Norms, and Ethics for Governance of Multi-Agent Systems XVI – COINE 2023 Revised Selected Papers, Springer, pp 77–94. https://link.springer.com/chapter/10.1007/978-3-031-49133-7_5

M. Bithell, G. Bravo, E. Chattoe-Brown, R. Mellema, H. Verhagen, T. Wagenblast. Designing Crisis Models: Report of Workshop Activity and Prospectus for Future Research. Review of Artificial Societies and Social Simulation, 3 May 2023. https://rofasss.org/2023/05/03/designingcrisismodels.

N. Wijermans, H. Verhagen. Formalising agent reasoning – the Paso Doble of data and theory. In: F. Squazzoni (Ed.), Advances in Social Simulation – Proceedings of the 17th Social Simulation Conference, European Social Simulation Association, Springer, pp. 527-536.

2022

M. Máthé, H. Verhagen, M. Wiklund. Investigating Social Media Potential for Supporting Teachers’ Digital Games Literacy. In: C. Costa (Ed.), Proceedings of the 16th European Conference on Games Based Learning, Academic Conferences International, pp. 329-338. DOI: 10.34190/ecgbl.16.1.712

P. Noriega, H. Verhagen, J. Padget, M. d’Inverno. Design Heuristics for Ethical Online Institutions. In: N. Ajmeri, A. Morris Martin, B. Tony Roy Savarimuthu (Eds.), Coordination, Organizations, Institutions, Norms, and Ethics for Governance of Multi-Agent Systems XV – COINE 2022 Revised Selected Paper, Springer, pp 213–230. DOI: 10.1007/978-3-031-20845-4_14.

C. Figueras, H. Verhagen, T. Cerratto Pargman. Exploring tensions in Responsible AI in practice – An Interview Study on AI practices in and for Swedish Public Organizations. Scandinavian Journal of Information Systems, 34(2), pp. 199-232. Online link.

T. Szczepanska, P. Antosz, J. O. Berndt, M. Borit, E. Chattoe-Brown, S. Mehryar, R. Meyer, S. Onggo, H. Verhagen. GAM on! Six ways to explore social complexity by combining Games and Agent-Based Models, International Journal of Social Research Methodology 25(4), pp. 541-555. Doi:10.1080/13645579.2022.2050119.

M. Jensen, H. Verhagen, L. Vanhee, F. Dignum. Towards Efficient Context-Sensitive Deliberation, in: M. Czupryna, B. Kamiński (eds.),  Advances in Social Simulation – Proceedings of the 16th Social Simulation Conference, 20–24 September 2021, Springer, pp. 409-421.  DOI:10.1007/978-3-030-92843-8_31

N. Wijermans, H. Verhagen. Fishing together? Exploring the murky waters of sociality. In: K. Van Dam, N. Verstaevel (eds.), Multi-Agent-Based Simulation XXII Proceedings, LNAI 13128, Springer, pp. 180-193. DOI: 10.1007/978-3-030-94548-0_14.

2021

P. Noriega, H. Verhagen, J. Padget, M. d’Inverno. Ethical Online AI Systems through Conscientious Design. IEEE Internet Computing 25(6), pp. 58-64.

F. Lorig, M. Jensen, Chr. Kammler, P. Davidsson, H. Verhagen. Comparative Validation of Simulation Models for the COVID-19 Crisis. In: F. Dignum (ed.), Social Simulation for a Crisis – Results and Lessons from Simulating the COVID-19 Crisis, Springer, pp. 331-352.

M. Jensen, F. Dignum, L. Vanhée, C. Păstrăv, H. Verhagen. Agile Social Simulations for Resilience. In: F. Dignum (ed.), Social Simulation for a Crisis – Results and Lessons from Simulating the COVID-19 Crisis, Springer, pp. 379-408.

C. Elsenbroich, H. Verhagen. Integrating CAFCA – a lens to interpret social phenomena. In: P. Ahrweiler, M. Neumann (eds.), Advances in Social Simulation – Proceedings of the 15th Social Simulation Conference: 23–27 September 2019, Springer, pp. 161-167.

N. Wijermans, H. Verhagen, A. Lytter. An online implementation of a virtual agent-based experiment tool – an exploration.  In: P. Ahrweiler, M. Neumann (eds.), Advances in Social Simulation – Proceedings of the 15th Social Simulation Conference: 23–27 September 2019, Springer, pp. 291-297.

N. Wijermans, H. Verhagen. Fishing together? Exploring the murky waters of sociality. Presented at MABS2021.

2020

J. Sichman, H. Verhagen, M. Paolucci (eds.) Multi-Agent-Based Simulation XX. Revised and selected papers from MABS2019, Lecture Notes in Artificial Intelligence 12025, Springer.

P. Davidsson, H. Verhagen. Social Phenomena Simulation. In: M. Sotomayor, D. Pérez-Castrillo, F. Castiglione (Eds.), Complex Social and Behavioral Systems – Game Theory and Agent-Based Models, A Volume in the Encyclopedia of Complexity and Systems Science, Second Edition, Springer.

M. Máthé, H. Verhagen, M. Wiklund. All Aboard! Towards Inclusiveness in Digital Game-Based Learning. In: Proceedings of the 2020 DiGRA International Conference: Play Everywhere

C. Figueras, H. Verhagen, T. Cerratto Pargman.  AI Transparency and Human-AI Interaction Design Guidelines: Foundations for a Healthy Human-AI Interaction. Presented at the NordiCHI Workshop The UX of Interactive Machine Learning.

C. Figueras, H. Verhagen, T. Cerratto Pargman. Transparent Human-AI Design Interaction: Towards a Research Agenda. Presented at the 2020 Human-AI Interaction workshop @ECAI2020.

Ch. Kammler, A. Onnes, L. Vanhée, H. Verhagen, B. de Bruin, P. Davidsson, F. Dignum, V. Dignum, A. Ghorbani, M. van den Hurk, M. Jensen, K. Kreulen, F. Lorig, L. G. Ludescher, A. Melchior, R. Mellema, C. Pastrav, T. Sjöström. Social Simulations for Intelligently Beating COVID-19. Presented at the Harvard CRCS workshop AI for Social Good.

F. Dignum, V. Dignum, P. Davidsson, A. Ghorbani, M. van der Hurk, M. Jensen, Ch. Kammler, F. Lorig, L. G. Ludescher, A. Melchior, R. Mellema, C. Pastrav, L. Vanhee, H. Verhagen. Analysing the Combined Health, Social and Economic Impacts of the Corovanvirus Pandemic Using Agent-Based Social Simulation. Minds & Machines 30, pp. 177–194. DOI: 10.1007/s11023-020-09527-6.

N. Wijermans, H. Verhagen. Forgotten AI? Advancing agent reasoning in models. Presented at the 2020 SAIS workshop.

C. Figueras, H. Verhagen, T. Cerratto Pargman, Being Transparent about Transparency in the Context of Artificial Intelligence. Presented at the 2020 SAIS workshop.

A. Kinnula, M. Kinnula, H. Verhagen. New Technologies for the Good of Whom? Whose Values Win? Presented at the 2020 PDC workshop on Computing Professionals for Social Responsibility: The Past, Present and Future Values of Participatory Design.

H. Verhagen, M. Borit, G. Bravo, N. Wijermans (Eds.). Advances in Social Simulation – Looking in the Mirror. Proceedings of Social Simulation Conference 2018, Springer. Online via: https://www.springer.com/gp/book/9783030341268.

P. Antosz, H. Verhagen. Qualitative data in the service of model building – the case of structural shirking. In: H. Verhagen, M. Borit, G. Bravo, N. Wijermans (Eds.). Advances in Social Simulation – Looking in the Mirror. Proceedings of Social Simulation Conference 2018, Springer, pp. 33-45.

P. Antosz, T. Rembiasz, H. Verhagen. Employee shirking and overworking: Modelling the unintended consequences of work organisation.  Ergonomics 63(8), pp. 997-1009. Online via https://doi.org/10.1080/00140139.2020.1744710.

H. Verhagen, M. Johansson, W. Jager. Online Video Games Research. In:  P. Atkinson, S. Delamont, A. Cernat, J. W. Sakshaug, R. A. Williams (Eds.) SAGE Research Methods Foundations. https://methods.sagepub.com/foundations/online-video-games-research

A. Ghorbani, F. Lorig, B. de Bruin, P. Davidsson, F. Dignum, V.  Dignum, M. van der Hurk, M. Jensen, C. Kammler, K. Kreulen, L. Gustavo Ludescher, A. Melchior, R. Mellema, C. Păstrăv, L. Vanhée, H. Verhagen. The ASSOCC Simulation Model: A Response to the Community Call for the COVID-19 Pandemic, RofASSS, online via https://rofasss.org/2020/04/25/the-assocc-simulation-model/

F. Squazzoni, J. G.  Polhill, B. Edmonds, P. Ahrweiler, P. Antosz, G. Scholz, É. Chappin, M. Borit, H. Verhagen, F. Giardini, N. Gilbert. Computational Models That Matter During a Global Pandemic Outbreak: A Call to Action, Journal of Artificial Societies and Social Simulation, 23 (2), 10. Online at: http://jasss.soc.surrey.ac.uk/23/2/10.html

2019

M. Máthé, H. Verhagen, M. Wiklund. From Skeptics to Advanced Adopters: Investigating Digital Game Adoption Practices, Challenges and Needs of Teachers in Swedish Schools. In: A. Liapis, G. N. Yannakakis, M. Gentile, M. Ninaus (Eds.), Proceedings of Games and Learning Alliance – 8th International Conference (GALA 2019),  LNCS 11899, Springer, pp.  73-82.

M. Máthé, H. Verhagen, M. Wiklund. Digital Games-Based Teaching in Swedish Compulsory and Upper Secondary Schools. In: L. Elbæk, G. Majgaard, A. Valente, Md. S. Khalid (Eds.), Proceedings of the 13th International Conference on Game Based Learning (ECGBL2019), Academic Conferences and Publishing International Limited, pp. 503-511.

P. Davidsson, H. Verhagen  (Eds.).Multi-Agent-Based Simulation XIX. Revised and selected papers from MABS2018, LNAI 11463, Springer.

N. Wijermans, H. Verhagen, D. Natalini, S. Dornschneider, M. Senga, A. Mukherjee. Animal farm –  species of a different kind flock together. Presented at SSC2019.

C. Elsenbroich, H. Verhagen. Integrating CAFCA – a lens to interpret social phenomena. Presented at SSC2019.

N. Wijermans, H. Verhagen, A. Lytter. An online implementation of a virtual agent-based experiment tool – an exploration. Presented at SSC2019.

2018
B. Strååt, H. Verhagen. Exploring Video Game Retention Mechanics – a Longitudinal Case Study. In: Proceedings of Academic Mindtrek 2018, ACM, pp. 39-48.

A. Chopra, L. van der Torre, H. Verhagen, S. Villata (Eds.). Handbook of Normative Multiagent Systems. College Publications.

H. Verhagen, M. Neumann, M. P. Singh. Normative Multiagent Systems: Foundations and History. Chapter in A. Chopra, L. van der Torre, H. Verhagen, S. Villata (eds.) Handbook of Normative Multiagent Systems, College Publications, pp. 3-25.

M. Máthé, H. Verhagen, M. Wiklund. Digital Games in Education: Exploring Teachers´ Practices and Challenges from Play to Co-design. In: Ciussi, M. (ed.), Proceedings of the 12th European Conference on Game-Based Learning (ECGBL 2018), Academic Conferences and Publishing International Limited, pp 388-395.

P. Antosz, T. Rembiasz, H. Verhagen. Determinants and dynamics of individual task performance. Presented at SSC2018.

P. Antosz, H. Verhagen. Increasing Complexity of Agent-Based Models with Experiments – the Case of Structural Shirking. Presented at XIX ISA World Congress of Sociology.

A. Perello-Moragues, P. Noriega, J. Padget, H. Verhagen. Value-driven policy-making as a socio-cognitive technical system. Presented at SCS2018 – an AAMAS 2018 workshop.

2017
P. Davidsson, H. Verhagen. Types of Simulation. In: B. Edmonds, R. Meyer (eds.), Simulating Social Complexity – A Handbook (2nd ed), Springer, pp. 23 – 37.

B. Strååt, H. Verhagen. Using User Created Game Reviews for Sentiment Analysis: A Method for Researching User Attitudes. In: M. De Marsico, L. Ripamonti, D. Gadia, D. Maggiorini, I. Mariani (eds.) Proceedings of the 1st Workshop on Games-Human Interaction (GHITALY 2017). Online available via http://ceur-ws.org/Vol-1956/GHItaly17_paper_01.pdf.

B. Strååt, H. Verhagen, H. Warpefelt. Probing User Opinions in an Indirect Way: An Aspect Based Sentiment Analysis of Game Reviews. Proceedings of the 21st International Academic Mindtrek Conference, ACM , pp. 1-7.

Y. Kou, M. Johansson, H. Verhagen. Prosocial Behavior in an Online Game Community: an Ethnographic Study. In: Proceedings of the 12th International Conference on the Foundations of Digital Games, article no. 15.

P. Noriega, J. Sabater-Mir, H. Verhagen, J. Padget, M. d’Inverno. Identifying affordances for modelling second order emergent phenomena with the WIT framework. In: G. Sukthankar, J. A. Rodriguez-Aguilar (eds). Autonomous Agents and Multiagent Systems AAMAS 2017 Workshops, Visionary Papers, LNCS 10643, Springer, pp. 208-227.

P. Noriega, H. Verhagen, M. d’Inverno, J. Padget. A manifesto for conscientious design of hybrid online social systems. In: Cranefield S., Mahmoud S., Padget J., Rocha A. (eds) Coordination, Organizations, Institutions, and Norms in Agent Systems XII. COIN 2016, COIN 2016, LNCS 10315, Springer, pp. 60-78.

P. Davidsson, F. Klügl, H. Verhagen. Simulation of Complex Systems. In: L. Magnani, T. Bertolotti (Eds.), Handbook of Model-Based Science, Springer, pp. 783-797.

H. Warpefelt, H. Verhagen. A model of non-player character believability. Journal of Gaming and Virtual Worlds 9 (1), pp. 39-54.

H. Verhagen, C. Elsenbroich, K. Fällström. Modelling Contextual Decision Making in Dilemma Games. In: W. Jager, R. Verbrugge, A. Flache, G. de Roo, L. Hoogduin, Ch. Hemelrijk (Eds.), Advances in Social Simulation 2015, Springer, pp. 121-128.

H. Verhagen, M. Johansson, W. Jager. Games and Online Research Methods. In: N. Fielding, R. Lee, G. Blank (eds.), The SAGE Handbook of Online Research Methods (second edition), SAGE, pp. 295-306.

P. Antosz, H. Verhagen. Qualitative data in the service of model building – the case of structural shirking. Presented at SSC 2017. Received best student paper award.

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

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. 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 systems. Presented at COIN++ 2016 @ ECAI.

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

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

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, Lecture Notes in Computer Science 9372, Springer, 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.

B. Strååt, H. Verhagen. Top Versus Bottom: Game Evaluation from an Expert or Player Perspective. In: Proceedings of FDG2015 (electronic proceedings), pp. 1-5.

M. Johansson, H. Verhagen, Y. Kou. I am being watched by the Tribunal – trust and control in Multiplayer Online Battle Arena games. n: Proceedings of FDG2015 (electronic proceedings), pp. 1-5.

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.

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

2014
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

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.

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.

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): pp. 155-175.

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.

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

H. Verhagen, M. Masuch. TASCCS: A Synthesis of Double-AISS and Plural-Soar. In: Carley and Prietula (eds.), Computational Organization Theory (2nd ed), Lawrence Erlbaum Associates, pp. 39 – 54.

2013

M. Johansson, M. Eladhari, J. McCoy, H. Verhagen, Social believability 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, 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.

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.

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.

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, pp. 171- 190.

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, pp. 191-229.

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.

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.

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

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

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.

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

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

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.

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.

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, 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 2014 (2) pp. 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.

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).

F. Jonsson, H. Verhagen. Senses Working Overtime – On Sensuous Experiences and Public Computer Game Play. In: T. Romão, N. Correia, M. Inami, H. Kato, R. Prada, T. Terada (Eds.), Advances in Computer Entertainment Technology, ACM, 2011 (electronic proceedings), 8 pages.

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.

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

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 then 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.

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

M. Johansson, H. Verhagen. Massively multiple online role playing games as normative multiagent systems. In: G. Boella, P. Noriega, G. Pigozzi, H. Verhagen (Eds.), Dagstuhl Seminar Proceedings 09121 Normative Multi-agent Systems, Schloss Dagstuhl – Leibniz-Zentrum fuer Informatik, Germany, 2009, pp. 337-352.

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. 17, No. 1, pp. 1-10, Springer, 2008.

G. Boella, L. van der Torre, H. Verhagen. Ten challenges for normative multiagent systems. In: Dagstuhl Seminar Proceedings 08361 Programming Multi-Agent Systems, Eds. R. Bordini, M. Dastani, J. Dix, A. El Fallah-Seghrouchni, pp. 1-10, 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. Roles, an Interdisciplinary Perspective. In Applied ontology, Vol. 2, pp. 81-88, 2007.

G. Boella, L. van der Torre, H. Verhagen. Introduction to Normative Multiagent Systems. In: Dagstuhl Seminar Proceedings 07122 Normative Multi-agent Systems , Eds. G. Boella, L. van der Torre, H. Verhagen, pp. 1-7, 2007.

H. Verhagen. Normtypologies. In: G. Boella, L. van der Torre, H. Verhagen (Eds.), Dagstuhl Seminar Proceedings 07122 Normative Multi-agent Systems Vol II, pp. 131-134, 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. pp. 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, pp. 1-9.
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, pp. 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. In: Proc. 4th Workshop on Agent-Based Simulation, Müller, J. P., Seidel, M., M. (eds.), Montpellier, France, April 28-30, 2003, pp. 29-33.

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.), pp. 103 – 114, 2003.

P. Buhler, J. M. Vidal, H. Verhagen. Adaptive Workflow = Web Services + Agents. ICWS 2003: pp. 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.), pp. 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): pp. 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, pp. 307 – 313.

H. Verhagen. Simulation of the Learning of Norms, Social Science Computer Review 19 (3), pp. 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 “Autonomy, Delegation, and Control: Interacting with Autonomous Agents”, pp. 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. pp. 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), pp. 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.), pp. 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. pp. 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, pp. 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, pp. 39 – 54.