| Joris Hulstijn -- Publications |
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Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (accepted) Value-based Argumentation for Designing and Auditing Security Measures, in : Ethics and IT, special issue on value-sensitive design
Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (2012). Value-based Argumentation for Designing and Auditing Security Measures. Ethics and Information Technology, conditionally accepted.
Joris Hulstijn (2012) Compliance by Design: het inbouwen van regelgeving in bedrijfsprocessen en informatiesystemen, Regelmaat 27(2): 88 -- 100. PDF.
Joris Hulstijn, Sietse Overbeek, Huib Aldewereld, and Rob Christiaanse (2012) Integrity of Supply Chain Visibility: Linking Information to the Physical World, In: M. Bajec and J. Eder (Eds.): CAiSE 2012 Workshops (GRCIS'2012), LNBIP 112, pp. 351--365. Springer, Heidelberg PDF
Joris Hulstijn, Rob Christiaanse (2012) Control Automation to reduce Costs of Control, In: M. Bajec and J. Eder (Eds.): CAiSE 2012 Workshops (GRCIS'2012), LNBIP 112, pp. 322--336. Springer, Heidelberg. PDF, shorter version in Proceedings of Dagstuhl seminar 12111 on Normative Multiagent Systems. PDF
Guido Boella, Joris Hulstijn, Guido Governatori, Régis Riveret, Antonino Rotolo, and Leendert van der Torre (2011) Time and defeasibility in FIPA ACL semantics. Journal of Applied Logic (9): 274 -- 288. PDF
Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (2011) Value-based Argumentation for Justifying Compliance, Artificial Intelligence and Law, 19 (2-3): 149 - 186. PDF
Niels de Winne, Marijn Janssen, Nitesh Bharosa, Remco van Wijk, Joris Hulstijn (2011): Transforming Public-Private Networks: An XBRL-Based Infrastructure for Transforming Business-to-Government Information Exchange. International Journal of Electronic Government Research 7(4): 35-45.
Nitesh Bharosa, Joris Hulstijn, Marijn Janssen, Yao-Hua Tan, Remco Van Wijk and Niels De Winne (2011) Towards a Lean-Government using New IT-Architectures for Compliance Monitoring, in: Proceedings of 5th International Conference on Theory and Practice of Electronic Governance (ICEGOV 2011), 26 - 28 September 2011, Tallinn, Estonia. PDF
Joris Hulstijn, Remco van Wijk, Niels de Winne, Nitesh Bharosa, Marijn Janssen and Yao-Hua Tan (2011) Public Process Management: a method for introducing Standard Business Reporting, in : Proceedings of the 12th Annual International Conference on Digital Government Research (DGo'2011), June 12-15, College park, MD. PDF
Nitesh Bharosa, Marijn Janssen, Joris Hulstijn, Niels de Winne, Remco van Wijk (2011) Principles for transforming to Standard Business Reporting: Lessons learned from the Netherlands, in : Proceedings of the 12th Annual International Conference on Digital Government Research (DGo'2011), June 12-15, College park, MD. PDF
Joris Hulstijn, Rob Christiaanse, Nitesh Bharosa, Friso Schmid, Remco van Wijk, Marijn Janssen and Yao-Hua Tan (2011) Continuous Control Monitoring-based Regulation: a case in the meat processing industry, in: Proceedings of the CAISE Workshop on the impact of Governance, Risk and Compliance on Information Systems (GRCIS'2011), June 21, London, PDF
Rob Christiaanse, Joris Hulstijn (2011) Neo-classical principles for information integrity, Technical Report, Delft University of Technology PDF
Joris Hulstijn, Jan van der Jagt and Pieter Heijboer (2011) Integrity of Electronic Patient Records, in: Proceedings of The Tenth Conference on Electronic Government (EGOV 2011), 28th of August -- 2nd of September, Delft, The Netherlands. PDF
Nitesh Bharosa, Haiko van der Voort, Joris Hulstijn, Marijn Janssen, Niels de Winne and Remco van Wijk (2011) Impose with leeway: combining an engineering and learning approach in the management of public-private collaboration, in: Proceedings of The Tenth Conference on Electronic Government (EGOV 2011), 28th of August -- 2nd of September, Delft, The Netherlands. PDF
Welmoed Fokkema and Joris Hulstijn (2011) Process Compliance in Public Information Chains, in: Proceedings of The Tenth Conference on Electronic Government (EGOV 2011), 28th of August -- 2nd of September, Delft, The Netherlands. PDF
Yao-Hua Tan, Wout Hofman, Jaap Gordijn, Joris Hulstijn (2011) A Framework for the Design of Service Systems, in: Haluk Demirkan and Jim Spohrer and Vikas Krishna (eds.) Service Systems Implementation, Springer Verlag, Heidelberg, pp 51 -- 74. PDF
Pieter E. Vermaas, Yao-Hua Tan, Jeroen van den Hoven, Brigitte Burgemeestre and Joris Hulstijn (2010) Designing for Trust: A Case of Value-Sensitive Design, Knowledge, Technology and Policy 23(3-4):491 - 505. PDF
Vera Kartseva, Joris Hulstijn, Jaap Gordijn and Yao-Hua Tan (2010) Control Patterns in a Healthcare Network. European Journal of Information Systems 19: 320-343, PDF
Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (2010) Value-based Argumentation for Justifying Compliance, in: G. Governatori and G. Sartor (eds.) Proceedings of the 5th International Workshop on Deontic Logic in Computer Science (DEON 2010), 7 - 9 July, Fiesole, LNAI 6181, pp. 214 - 228, PDF
Joris Hulstijn and Jaap Gordijn (2010) Risk Analysis for Inter-organizational Controls, in: José Cordeiro (ed.) Proceedings of the 12th International Conference on Enterprise Information Systems (ICEIS 2010), 8 -- 12 June, 2010, Funchal, Portugal, Volume 3, pp 314 -- 320 PDF
Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (2010) The Role of Trust in Government Control of Businesses, In: Hans-Dieter Zimmermann (ed.) Proceedings of 23rd Bled eConference: eTrust, implications for the individual, enterprizes and society (eBled 2010), June 20 -- 23, Bled, Slovenia. PDF
Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (2010) Norm Emergence in Regulatory Compliance, in: Harko Verhagen, Davide Grossi, Paul Davidsson (eds.) Proceedings of the 5th International Workshop on Normative Multi-Agent Systems (NORMAS 2010), 29th-30th March, Leicester. PDF
Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (2009) Agent Architectures for Compliance, in: H. Aldewereld, V. Dignum, and G. Picard (Eds.) Proceedings of the 10th Annual International Workshop Engineering Societies in the Agents' World (ESAW'09), LNAI 5881, 68--83. Springer, Heidelberg PDF
Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (2009) Towards an architecture for self-regulating agents: a case study in international trade, in: Padget, J., Artikis, A., Vasconcelos, W., Stathis, K., Torres da Silva, V., Matson, E. and Polleres, A. (eds.) Coordination, Organizations, Institutions, and Norms in Agent Systems V (COIN 2009), LNAI 6069, 320 -- 333, Springer Verlag, Heidelberg. PDF
Brigitte Burgemeestre, Jianwei Liu, Joris Hulstijn, Yao-Hua Tan (2009) Early requirements engineering for e-customs decision support: Assessing overlap in mental models, presented at Dagstuhl Seminar 2009121.
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shorter version in: Eric Yu,Johann Eder, Colette Rolland (eds.) Proceedings of the Forum at the CAiSE Conference, Amsterdam, 2009, pp 31-36.
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Jianwei Liu, Brigitte Burgemeestre, Joris Hulstijn, Yao-Hua Tan (2009) IT enabled risk management for Taxation and Customs: the case of AEO assessment in the Netherlands. In: Wimmer, M.A.; Scholl, H.J.; Janssen, M.; Traunmüller, R. (Eds.) Proceedings of the 8th International Conference on Electronic Government (EGOV'09), 376387, LNCS 5693, Springer Verlag. PDF
Guido Boella, Joris Hulstijn, and Leendert van der Torre. Social network semantics for agent communication -- extended abstract (2009) In: Jaime Sichman and Keith Decker (eds.) Proceedings of The Eighth International Conference on Autonomous Agents and Multi-agent Systems (AAMAS'09), pp 1215 -- 1216, Budapest, 2009 PDF, poster
Joris Hulstijn (2008) Need to Know: Questions and the Paradox of Epistemic Obligation, in R. van der Meyden and L. van der Torre (eds.) Proceedings of the Ninth International Conference on Deontic Logic in Computer Science (DEON'08), LNCS 5076, Springer Verlag, Luxembourg, 1518 July, 2008 PDF
Joris Hulstijn, Jianwei Liu, Yao-Hua Tan (2008) Delegation of Control in Administrative Procedures, in R. van der Meyden and L van der Torre (eds.) Proceedings of the Ninth International Conference on Deontic Logic in Computer Science (DEON'08), LNCS 5076, Springer Verlag, Luxembourg, 1518 July, 2008 PDF
Guido Governatori, Joris Hulstijn, Régis Riveret, Antonino Rotolo On the Representation of Deadlines in a Rental Agreement , in: Arno R. Lodder, Laurens Mommers (eds.) Legal Knowledge and Information Systems - (JURIX 2007), Springer Verlag, 169 - 170 PDF
Governatori, G., Hulstijn, J., Riveret, R., and Rotolo, A. Characterising Deadlines in Temporal Modal Defeasible Logic in: Orgun M. and Thornton J. (eds.), Proceedings of the Twentieth Australian Joint Conference on Artificial Intelligence (AUSTAI'07), pages 486-496, Springer Verlag, 2007. PDF
Boella, G., Gerbrandy, J., Hulstijn J. (2007) A Flexible Mechanism for Dialogue Design in: Proceedings of the 11th workshop on Theoretical Aspects of Rationality and Knowledge (TARK'2007), Brussels, 2007. PDF
Kartseva, V., Hulstijn, J., Tan, Y-H., Gordijn, J. (2007) Control Patterns in a Healthcare Network, In: Proceedings of the 8th Annual International Conference on Digital Government Research (DGo'2007),May 2007, Philadelphia, PA. PDF
Boella, G. and Damiano, R. and Hulstijn, J. and Van der Torre, L. (2007) Distinguishing Propositional and Action Commitment in Agent Communication In: Proceedings of the Workshop on Computational Models of natural Argument (CMNA'07) PDF
Kartseva, V., Hulstijn, J., Tan, Y-H., Gordijn, J. , (2006) Health Care Control and Governance: Modeling Health Care Control Mechanisms and discovering Business Opportunities for Information Provision and Quality Assurance, Technical Report, FREEBAND, 2005. PDF
Boella, G. and Damiano, R. Hulstijn, J. and Van der Torre, L. (2006) Role-based Semantics for Agent Communication Languages In: Proceedings of the 2006 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT06) PDF
Hulstijn, J. (2006) Accommodating Social Relationships in: D. Schlangen and R. Fernandez (eds.) Proceedings of the 10th Workshop on the Semantics and Pragmatics of Dialogue (Brandial'06), Potsdam. PDF
Kartseva, V., Hulstijn, J., Gordijn, J. and Y.-H. Tan (2006) Modelling Value-based Inter-Organizational Controls in Healthcare Regulations, in Proceedings of the 6th IFIP conference on e-Commerce, e-Business, and e-Government (I3E'06), Turku, Finland. PDF
Kartseva, V., Hulstijn, J., Baida, Z., Gordijn, J., Tan, Y.-H. (2006) Towards Control Patterns for Business Networks, in: P. Vervest and E. van Heck (eds.) Proceedings of the Smart Business Network Initiative Discovery Session 2006, paper nr 19, Putten, The Netherlands. PDF
Kartseva, V., Hulstijn, J., Tan, Y.-H., Gordijn, J. (2006) Towards Value-based Design Patterns for Inter-Organizational Control, Proceedings of the 19th Bled Electronic Commerce Conference, eValues, Bled, Slovenia. PDF
Hulstijn, J. and Maudet N. (2006) Uptake and Joint Action., Cognitive Systems Research 7(2-3), special issue on Cognition and Collective Intentionality, pp. 175-191 PDF
Boella, G., Damiano, R., Hulstijn, J., van der Torre, L. (2006), Role-Based Semantics for Agent Communication: Embedding of the ‘Mental Attitudes’ and ‘Social Commitments’ Semantics (short paper) in: Proceedings of the Fifth International Joint Conference on Autonomous Agents and Multiagent Systems, Hakodate, Japan. (AAMAS'06) PDF
Boella, G., Hulstijn, J., Tan, Y-H., Van der Torre, L. (2006) Modeling Control Mechanisms with Normative Multiagent Systems: The Case of the Renewables Obligation . Lindemann et al. (Eds.): Proceedings of Workshop on Agents, Norms and Institutions for Regulated Multiagent Systems (ANIREM and OOOP 2005), LNCS 3913, pp. 109 - 121, Springer-Verlag, Berlin. PDF
Kartseva, V., Hulstijn, J., Tan, Y-H., Gordijn, J. , (2005) Health Care Control and Governance: Modeling Health Care Control Mechanisms and discovering Business Opportunities for Information Provision and Quality Assurance, Technical Report, FREEBAND, 2005. PDF
Baida, Z., Hulstijn, J., Lenz, R. and Slagter, R. Social Chart Prototype Architecture, Technical Report, FREEBAND, 2005.
Dröes, R.M. and Meiland, F.J.M., van der Roest, H.G., Maroccini, R., Slagter, R. , Baida, Z., Haaker, T. Kartseva, V., Hulstijn, J., Schmieman, R., Akkermans, H., Faber, E. and Tan, Y-H. Opportunities for we-centric service bundling in dementiacare: Facilitating information exchange and communication between users and service providers, Technical Report, FREEBAND, 2005. PDF
Boella, G. Hulstijn, J. and Van der Torre, L. (2005) Decision-Theoretic Deliberation in Resource Bounded Self-Aware Agents. Proceedings of the 7th International Symposium on Logical Formalizations of Commonsense Reasoning (CommonSense'05). PDF
Boella, G., Hulstijn, J. and Van der Torre, L. A Synthesis Between Mental Attitudes and Social Commitments in Agent Communication Languages. Proceedings of IAT05. IEEE, 2005. PDF
Boella, G. Hulstijn, J. and Van der Torre, L. (2005) Interaction in Normative Multiagent Systems. Proceedings of the ETAP Workshop on the Foundations of Interactive Computation (FINCO'05), Electronic Notes in Theoretical Computer Science, 141(5), 135-162. ENTCS. PDF
Boella, G., Hulstijn, J. and Van der Torre, L. (2005) A logic of abstract argumentation. Proceedings of AAMAS workshop on Argumentation in Multiagent Systems (ArgMAS'05). PDF
Boella, G., Hulstijn, J. and Van der Torre, L. (2005) Argument games for interactive access control. Proceedings of WI05. IEEE, 2005. PDF
Boella, G., Hulstijn, J., Tan, Y-H., Van der Torre, L. (2005) Transaction Trust in Normative Multiagent Systems. Proceedings of AAMAS workshop on Trust in Agent Societies (Trust'05), 2005. PDF
Hulstijn, J., Tan, Y-H., Van der Torre, L. (2005) Analyzing Control Trust in Normative Multiagent Systems. Proceedings of the 18th Bled eConference eIntegration in Action (Bled'05). PDF, PPT
Boella, G., Hulstijn, J., Van der Torre, L. (2005) Virtual organizations as normative multiagent systems. In Proceedings of the Hawaii International Conference on System Sciences (HICSS’05). PDF, PPT
Dastani, M., Hulstijn, J., Van der Torre, L. (2005). How to decide what to do? European Journal of Operational Research, 160(3), 762-784 , February 2005. PDF
Boella, G., Hulstijn, J., Van der Torre, L. (2004) Persuasion Strategies in Dialogue, in: F. Grasso, C. Reed. (eds.) Proceedings of the ECAI workshop on Computational Models of Natural Argument (CMNA'04), Valencia. PDF
Boella, G., Hulstijn, J., Van der Torre, L. Decision-theoretic deliberation under bounded resources. In Proceedings of LOFT'04, Leipzig, 2004. PDF
Dastani, M., Herzig, A., Hulstijn, J., Van der Torre, L. (2004) Inferring trust. Proceedings of Fifth Workshop on Computational Logic in Multi-agent Systems (CLIMA V), LNAI 3487, pages 144- 160, Springer Verlag. PDF
Dastani, M., Hulstijn, J., Dignum, F. Meyer, J-J. Ch (2004) Issues in Multiagent System Development. Proceedings AAMAS'04, New York. PDF, slides pdf
Dastani, M. , van Riemsdijk, B., Hulstijn, J., Dignum, F., Meyer, J-J. Ch. (2004) Enacting and Deacting Roles in Agent Programming, Proceedings of the AAMAS workshop on Agent-Oriented Software Engineering (AOSE'04), New York. PDF
Hulstijn, J., Dignum, F. Dastani, M., (2004) Coherence in Multi-agent Interaction. In Van Eijk, Huget and Dignum (eds.) Agent Communication: Proceedings of the AAMAS workshop on Agent Communication (AC'2004), New York LNAI 3396, Springer Verlag, pp 134--152. link PDF
Hulstijn, J. and Maudet N. (2004) Uptake and Joint Action. In Luca Tummolini and Cristiano Castelfranchi (eds.) Proceedings of the Fourth Conference on Collective Intentionality, Siena PDF
Hulstijn, J. and van der Torre, L. (2004) Combining goal generation and planning in an argumentation framework. In Hunter, A. (ed.) Proceedings Workshop on Argument, Dialogue and Decision at the International Workshop on Non-monotonic Reasoning (NMR'04), Whistler, Canada PDF
van der Torre, L., Hulstijn, J., Dastani, M., Broersen, J. (2004) Specifying Multiagent Organizations. In: A. Lomuscio and D. Nute (eds.) Deontic Logic in Computer Science, Proceedings of the 7th International Workshop on Deontic Logic in Computer Science (DEON'04), Madeira, 243-257 PDF
Hulstijn, J. and Vreeswijk, G. (2004) A free-format dialogue protocol for multi-party inquiry In: E. Vallduvi (ed.) The 8th Workshop on the Semantics and Pragmatics of Dialogue (Catalog'04), Barcelona, Spain, PDF
Hulstijn, J. (2003) Roles in Dialogue. In I. Kruijff-Korbayova (ed.) Proceedings of the 7th Workshop on Formal Semantics and Pragmatics of Dialogue (Diabrück), 43 -- 50, Universität des Saarlandes. PDF
Hulstijn, J. and Maudet N. (2003) Uptake by Conditional Obligations. In P. Dekker and R. van Rooy (eds.) Proceedings of the 14th Amsterdam Colloquium, 141 -- 146, ILLC, University of Amsterdam PDF
Hulstijn, J. and van der Torre, L. (2003) Combining Goal Generation and Planning in an Argumentation Framework. In Heskes, T. et al (ed.) Proceedings of the 15th Belgium-Netherlands Conference on Artificial Intelligence (BNAIC'03), 155--162, Katholieke Universiteit Nijmegen PDF
Hulstijn J. and Vreeswijk, G. A.W. (2003) Turntaking: a case for agent-based programming. Technical Report UU-CS-2003-045, ICS, Utrecht University. PDF
Broersen, J., Dastani, M., Hulstijn, J. and Van der Torre, L. (2002) Goal Generation in the BOID Architecture. Cognitive Science Quarterly 2(3-4), 431-450, special issue on Desires, goals, intentions, and values: Computational architectures. PDF
Hulstijn, J. (2002) Issues and Awareness. In Katz, G., Reinhard S., Reuter P. (eds.) Sinn und Bedeutung 6, Proceedings of the sixth meeting of the Gesellschaft für Semantik, Osnabrück, 151-167. PDF
Broersen, J., Dastani, M., Huang, Z., Hulstijn, J. and L. van der Torre, The BOID architecture: conflicts between beliefs, obligations, intentions and desires. In: Proceedings of the Fifth International Conference on Autonomous Agents, (AA'2001), 9 -- 16, ACM Press. PDF
Dastani, M., Hulstijn, J. and Van der Torre, L. (2001) BDI and QDT: a comparison based on Classical decision theory. In: Parsons S. and Gmytrasiewicz P. (eds.) Game Theoretic and Decision Theoretic Agents: Papers from the AAAI Spring Symposium (GTDT'01), 16-26, AAAI Press. PDF
Dastani, M., Hulstijn, J. and L. van der Torre, (2001) Dialogue games and negotiation. In: Proceedings of the Fifth International Conference on Autonomous Agents (AA'2001), pages 180-181, ACM Press. PDF
Dastani, M., Hulstijn, J. and Van der Torre, L. (2000) Negotiation Protocols and Dialogue Games. In Proceedings BNAIC'00, Tilburg. PDF
Hulstijn, J. (2000). Dialogue Models for Inquiry and Transaction. PhD Thesis, University of Twente. abstract, PDF
Hulstijn, J. (2000). Dialogue Games are Recipes for Joint Action. In Traum, D. and Poesio, M. (eds) Proceedings of Workshop on Formal Semantics and Pragmatics of Dialogue (Götalog), Göteborg, Sweden. PDF
Nijholt, A. and Hulstijn, J. (2000) Multi-modal Interactions with Agents in Virtual Worlds. Chapter in : N. Kasabov (ed.) Future Directions for Intelligent Systems and Information Science, Studies in Fuzziness and Soft Computing 45, 148-173, Physica-Verlag PDF
Hulstijn, J. (1999). Modelling usability: development methods for dialogue systems. In Alexandersson, J. (ed.) Proceedings of the IJCAI'99 Workshop on Knowledge and Reasoning in Practical Dialogue Systems, Stockholm. PDF
Nijholt, A. and Hulstijn, J. and van Hessen, A. (1999) Speech and language interactions in a Web Theatre Environment. In: Proceedings ESCA tutorial on interactive dialogue in multi-modal systems, Kloster Irsee. PDF
Hulstijn, J., Nijholt, A., Hondorp, H., van den Berk, M. and van Hessen, A. (1999) Dialogues with a Talking face for Web-based Services and Transactions, In Proceedings Face to Face Workshop, CWI, Amsterdam. Available as CTIT Technical report 99-07.
Hulstijn, J. (1998). Confirmation in transaction dialogues. In Shelton, S., and Hovy, E. (eds.), Proceedings of the LREC Workshop on Linguistic Coreference. Granada.
Hulstijn, J. (1998). Goals and Structured Information. In Engelfried, J., Hollenberg, M., Hoogland, E., Kraak, E., and Wasserman, R. (eds.), Proceedings of Accolade97, Dutch Graduate School in Logic. OTS, Utrecht University. PDF
Hulstijn, J. and van Hessen, A. (1998). Utterance generation for transaction dialogues. In Proceedings ICSLP'98, Sydney. PDF
Hulstijn, J., Steetskamp, R., ter Doest, H., van de Burgt, S., and Nijholt, A. (1996). Topics in SCHISMA dialogues. In Luperfoy, S., Nijholt, A., and Veldhuijzen van Zanten, G. (eds.), Dialogue Management in Natural Language Systems, TWLT11. University of Twente.
Bouwman, G. and Hulstijn, J. (1998) Dialogue (Re-)Design with Reliability Measures. In: Rubio, A. (ed.) Proceedings of the 1st International Conference on Language Resources and Evaluation (LREC), pages 191-198. PDF
Hulstijn, J. (1997). Structured information states: Raising and resolving issues. In Jäger, G., and Benz, A. (eds.), Proceedings of Mundial'97, Formal Semantics and Pragmatics of Dialogue. University of Munich. Available as CTIT Technical report 97-18. PDF
Hulstijn, J. (1996). Presupposition accommodation in a constructive update semantics. In Durieux, G., Daelemans, W., and Gillis, S. (eds.), Proceedings of CLIN VI. University of Antwerp. PDF
Hulstijn, J. (1995). Presupposition in update semantics. Master's thesis, Faculty of Mathematics and Computer Science, University of Amsterdam.
Hulstijn J. and Nijholt A. (eds.) (1998) Proceedings TWLT13: Formal Semantics and Pragmatics of Dialogue (Twendial), University of Twente
Hulstijn J. and Nijholt A. (eds.) (1997) Proceedings TWLT12, 1st International Workshop on Computational Humour: Automatic Interpretation and Generation of Verbal Humour, University of Twente