HMI/Human Media Interaction: Publications 2

Publications (97) as Author:	Assistent Promotor Editor

Contributions to Proceedings

R. Klaassen, H.J.A. op den Akker and A. Nijholt Digital Lifestyle Coaches on the Move, in Proceedings Thirteenth International Symposium on Social Communication, Leonel Ruiz Miyares, Maria Alvarez Rosa, Silva Munoz Alvarado and Alex Munoz Alvarado (eds), Actualizaciones en Comunicación Social, volume Vol. I, Centro de Linguistica Aplicada, Santiago de Cuba, ISBN 978-959-7174-22-6, pp. 338-344, 2013 [ BiBTeX ]

[Official URL]

Reports

E. Keijl, R. Klaassen and H.J.A. op den Akker The influence of locative media on social information sharing: a review, Technical Report, TR-CTIT-13-05, Enschede, Centre for Telematics and Information Technology, University of Twente, Pages: 33, 2013 [ BiBTeX ]

Book Chapters

H.J.A. op den Akker, D. Gatica Perez and D.K.J. Heylen Multi-modal analysis of small-group conversational dynamics, pp. 155-169. In Multimodal Signal Processing, S. Renals, H. Bourlard, J. Carletta and A. Popescu-Belis (eds), Cambridge University Press, New York, ISBN 978-1-107-02229-4, 2012 [ BiBTeX ]

[Official URL]

Contributions to Proceedings

S.T. Boerema, R. Klaassen, H.J.A. op den Akker and H.J. Hermens Glanceability Evaluation of a Physical Activity Feedback System for Office Workers, in Proceedings of EHST 2012: the 6th International Symposium on eHealth Services and Technologies, SciTePress - Science and Technology Publications, ISBN 978-989-8565-27-3, pp. 52-57, 2012 [ BiBTeX ]

R. Klaassen, J. Hendrix, D. Reidsma and H.J.A. op den Akker Elckerlyc goes mobile: enabling technology for ECAs in mobile applications, in The Sixth International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies, XPS (Xpert Publishing Services), ISBN 978-1-61208-236-3, pp. 41-47, 2012 [ BiBTeX ]

[Official URL]

R. Klaassen and H.J.A. op den Akker Inter-usability and the Presentation of Multi-modal Feedback for Physical Activity and Diabetic Type II Patients, in Proceedings of the 8th International Conference on Methods and Techniques in Behavioral Research, Measuring Behavior 2012, Noldus Information Technology, Wageningen, ISBN 978-90-74821-87-2, pp. 115-117, 2012 [ BiBTeX ]

Reports

H.J.A. op den Akker and M. Bruijnes Computational models of social and emotional turn-taking for embodied conversational agents: a review, Technical Report, TR-CTIT-12-13, Enschede, Centre for Telematics and Information Technology, University of Twente, Pages: 62, 2012 [ BiBTeX ]

H.J.A. op den Akker and C. Bijron Wat beleeft een robot eigenlijk? Aantekeningen over de beleving en het gebruik van technologie, Technical Report, TR-CTIT-12-14, Enschede, Centre for Telematics and Information Technology, University of Twente, Pages: 20, 2012 [ BiBTeX ]

Journal Papers

D.K.J. Heylen, H.J.A. op den Akker, M. ter Maat, P. Petta, S. Rank, D. Reidsma and J. Zwiers On the nature of engineering social artificial companions, Applied Artificial Intelligence, 25(6):549-574, ISSN 0883-9514, 2011 *** ISI Impact 0.333 *** [ BiBTeX ]

Book Chapters

J. Dral, D.K.J. Heylen and H.J.A. op den Akker Detecting Uncertainty in Spoken Dialogues: An explorative research for the automatic detection of speaker uncertainty by using prosodic markers, pp. 67-77. In Affective Computing and Sentiment Analysis, Kurshid Ahmad (eds), Springer Verlag, London, ISSN 1386-291X, ISBN 978-94-007-1756-5, 2011 [ BiBTeX ]

D.H.W. Hofs, B.W. van Schooten and H.J.A. op den Akker The IMIX Demonstrator: an Information Search Assistant for the Medical Domain, pp. 11-21. In Interactive Multi-modal Question-Answering, A. van den Bosch and G. Bouma (eds), Springer-Verlag , Berlin Heidelberg, ISSN 2192-032X, ISBN 978-3-642-17524-4, 2011 [ BiBTeX ]

B.W. van Schooten and H.J.A. op den Akker Vidiam: Corpus-based Development of a Dialogue Manager for Multimodal Question Answering, pp. 25-54. In Interactive Multi-Modal Question Answering, A. van den Bosch and G. Bouma (eds), Springer Verlag, Berlin, Heidelberg, ISSN 2192-032X, ISBN 978-3-642-17524-4, 2011 [ BiBTeX ]

Contributions to Proceedings

E.M.A.G. van Dijk, J. Zwiers, H.J.A. op den Akker, O. Kulyk, G.H.W. Hondorp, D.H.W. Hofs and A. Nijholt Conveying Directional Gaze Cues to Support Remote Participation in Hybrid Meetings, in Third COST 2102 International Training School, A. Esposito, A.M. Esposito, R. Martone, V.C. Müller and G. Scarpetta (eds), Lecture Notes in Computer Science , volume 6456, Springer Verlag, London, ISBN 978-3-642-18183-2, ISSN 0302-9743, pp. 425-441, 2011 [ BiBTeX ]

M. Theune, R. Boer Rookhuiszen, H.J.A. op den Akker and H. Geerlings Generating varied narrative probability exercises, in Proceedings of the 6th Workshop on Innovative Use of NLP for Building Educational Applications (BEA-6) at ACL-HLT 2011, Association for Computational Linguistics, ISBN 978-1-93728-403-9, pp. 20-29, 2011 [ BiBTeX ]

W.K. Wieringa, H. op den Akker, V.M. Jones, H.J.A. op den Akker and H.J. Hermens Ontology-Based Generation of Dynamic Feedback on Physical Activity, in 13th International Conference on Artificial Intelligence in Medicine, AIME 2011, Lecture Notes in Artificial Intelligence, volume 6747, Springer Verlag, London, ISBN 978-3-642-22217-7, ISSN 0302-9743, pp. 55-59, 2011 [ BiBTeX ]

Reports

H.J.A. op den Akker, R. Klaassen, T. Lavrysen, G. Geleijnse, A.T. van Halteren, H. Schwietert and M. Van der Hout A Personal Context-Aware Multi-Device Coaching Service that Supports a Healthy Lifestyle, Technical Report, TR-CTIT-12-15, Enschede, Centre for Telematics and Information Technology, University of Twente, Pages: 6, 2011 [ BiBTeX ]

Journal Papers

H.J.A. op den Akker, J. Zwiers, G.H.W. Hondorp, E.M.A.G. van Dijk, O. Kulyk, D.H.W. Hofs, A. Nijholt and D. Reidsma Engagement and Floor Control in Hybrid Meetings, AMI Newsletter, V. Devanthéry (eds), 20(20):6-6, ISSN not assigned, 2010 [ BiBTeX ]

D.H.W. Hofs, M. Theune and H.J.A. op den Akker Natural interaction with a virtual guide in a virtual environment: A multimodal dialogue system, Journal on Multimodal User Interfaces, 3(1-2):141-153, ISSN 1783-7677, 2010 [ BiBTeX ]

A.S. Tigelaar, H.J.A. op den Akker and D. Hiemstra Automatic summarisation of discussion fora, Natural language engineering, 16(02):161-192, ISSN 1351-3249, 2010 *** ISI Impact 0.432 *** [ BiBTeX ]

Contributions to Proceedings

H.J.A. op den Akker, M. Theune, K.P. Truong and I.A. de Kok The Organisation of Floor in Meetings and the Relation with Speaker Addressee Patterns, in Proceedings of the 2nd International Workshop on Social Signal Processing, SSPW ’10, ACM, New York, ISBN 978-1-4503-0174-9, pp. 35-40, 2010 [ BiBTeX ]

Y. Cao, F. van der Sluis, M. Theune, H.J.A. op den Akker and A. Nijholt Evaluating Informative Auditory and Tactile Cues for In-Vehicle Information Systems, in Proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010), ACM, New York, ISBN 978-1-4503-0437-5, pp. 102-109, 2010 [ BiBTeX ]

Journal Papers

B.W. van Schooten, H.J.A. op den Akker, S. Rosset, O. Galibert, A. Max and G. Illouz Follow-up question handling in the IMIX and Ritel systems: A comparative study, Natural Language Engineering, N. Webb and B. Webber (eds), 15(1):97-118, ISSN 1351-3249, 2009 *** ISI Impact 0.432 *** [ BiBTeX ]

Contributions to Proceedings

H.J.A. op den Akker and D. Traum A comparison of addressee detection methods for multiparty conversations, in Proceedings of DiaHolmia, 13th Workshop on the Semantics and Pragmatics of Dialogue, KTH Stockholm, Stockholm, ISBN not assigned, pp. 99-106, 2009 [ BiBTeX ]

H. op den Akker and H.J.A. op den Akker Are you being addressed?: real-time addressee detection to support remote participants in hybrid meetings, in Proceedings of the SIGDIAL 2009 Conference, The association of computational linguistics, Stroudsburg, ISBN 978-1-932432-64-0, pp. 21-28, 2009 [ BiBTeX ]

H.J.A. op den Akker, D.H.W. Hofs, G.H.W. Hondorp, H. op den Akker, J. Zwiers and A. Nijholt Supporting Engagement and Floor Control in Hybrid Meetings, in Cross-Modal Analysis of Speech, Gestures, Gaze and Facial Expressions, A.M. Esposito and R. Vich (eds), Lecture Notes in Computer Science, volume 5641, Springer Verlag, Berlin, ISBN 978-3-642-03319-3, ISSN 0302-9743, pp. 276-290, 2009 [ BiBTeX ]

D.K.J. Heylen, M. Theune, H.J.A. op den Akker and A. Nijholt Social Agents: the first generations, in Proceedings 2009 International Workshop on Social Signals Processing, M. Pantic and A. Vinciarello (eds), ACII 2009 Proceedings, volume 2, IEEE Computer Society, Los Alamitos, ISBN 978-1-4244-4799-2, pp. 114-120, 2009 [ BiBTeX ]

D. Reidsma, D.K.J. Heylen and H.J.A. op den Akker On the Contextual Analysis of Agreement Scores , in Multimodal Corpora -- From Models of Natural Interaction to Systems and Applications, J.-C. Martin, P. Paggio, M. Kipp and D.K.J. Heylen (eds), Lecture Notes in Computer Science, volume 5509, Springer Verlag, Berlin, ISBN 978-3-642-04792-3, ISSN 0302-9743, pp. 122-137, 2009 [ BiBTeX ]

A.S. Tigelaar, H.J.A. op den Akker and F. Verhoeven Matching Queries to Frequently Asked Questions: Search Functionality for the MRSA Web-Portal, in Proceedings of the 9th Dutch-Belgian Information Retrieval Workshop, CTIT Workshop Proceedings, Centre for Telematics and Information Technology University of Twente, Enschede, ISSN 0929-0672, pp. 26-33, 2009 [ BiBTeX ]

Book Chapters

Z.M. Ruttkay and H.J.A. op den Akker Affordances and Cognitive Walkthrough for Analyzing Human-Virtual Human Interaction, pp. 94-110. In Verbal and Nonverbal Features of Human-Human and Human-Machine Interaction, A.M. Esposito, N.G. Bourbakis, N. Avouris and I. Hatzilygeroudis (eds), Springer Verlag, London, ISBN 9783540708711, 2008 [ BiBTeX ]

Contributions to Proceedings

H.J.A. op den Akker and M. Theune How Do I Address You? Modelling addressing behavior based on an analysis of a multi-modal corpora of conversational discourse, in Proceedings of the AISB 2008 Symposium on Multimodal Output Generation (MOG 2008), Society for the Study of Artificial Intelligence and the Simulation of Behaviour (AISB), ISBN 1 902956 69 9, pp. 10-17, 2008 [ BiBTeX ]

J. Dral, D.K.J. Heylen and H.J.A. op den Akker Detecting uncertainty in spoken dialogues: the use of prosodic markers, in Sentiment analysis: emotion, metaphor, ontology and terminology, K. Ahmad (eds), ELRA, Paris, ISBN 2-9517408-4-0, pp. 72-78, 2008 [ BiBTeX ]

D.H.W. Hofs, M. Theune and H.J.A. op den Akker Multimodal Interaction with a Virtual Guide, in Proceedings of the Twentieth Belgian-Netherlands Conference on Artificial Intelligence, BNAIC 2008, University of Twente, Enschede, ISSN 1568-7805, pp. 391-392, 2008 [ BiBTeX ]

A. Nijholt, D. Reidsma, H. van Welbergen, H.J.A. op den Akker and Z.M. Ruttkay Mutually coordinated anticipatory multimodal interaction, in Verbal and Nonverbal Features of Human-Human and Human-Machine Interaction, A.M. Esposito, N.G. Bourbakis, N. Avouris and I. Hatzilygeroudis (eds), Lecture Notes in Computer Science, volume 5042, Springer Verlag, Berlin, ISBN 978-3-540-70871-1, ISSN 0302-9743, pp. 70-89, 2008 [ BiBTeX ]

M. Poel, E. Boschman and H.J.A. op den Akker A Neural Network Based Dutch Part of Speech Tagger, in Proceedings of the twentieth Belgian-Dutch Artificial Intelligence Conference (BNAIC 2008)., A. Nijholt, M. Pantic, M. Poel and G.H.W. Hondorp (eds), Twente University Press, Enschede, ISSN 1568-7805, pp. 217-224, 2008 [ BiBTeX ]

D. Reidsma and H.J.A. op den Akker Exploiting `Subjective' Annotations, in Coling 2008: Proceedings of the workshop on Human Judgements in Computational Linguistics, R. Artstein, G. Boleda, F. Keller and S. Schulte im Walde (eds), Coling 2008 Organizing Committee, ISBN 978-1-905593-47-7, pp. 8-16, 2008 [ BiBTeX ]

D. Reidsma, D.K.J. Heylen and H.J.A. op den Akker On the Contextual Analysis of Agreement Scores, in Proceedings of the LREC Workshop on Multimodal Corpora, J.-C. Martin, P. Paggio, M. Kipp and D.K.J. Heylen (eds), ELRA, Paris, France, ISBN 2-9517408-4-0, pp. 52-55, 2008 [ BiBTeX ]

[Official URL]

D. Reidsma and H.J.A. op den Akker Subjective Machine Classifiers, in BNAIC 2008, Proceedings 20th Belgian-Netherlands Conference on Artificial Intelligence, Boekelo, Netherlands, A. Nijholt, M. Pantic, M. Poel and G.H.W. Hondorp (eds), University of Twente, Enschede, the Netherlands, ISSN 1568-7805, pp. 359-360, 2008 [ BiBTeX ]

Journal Papers

S. Keizer and H.J.A. op den Akker Dialogue act recognition under uncertainty using Bayesian networks, Natural Language Engineering, 13(04):287-315, ISSN 1351-3249, 2007 *** ISI Impact 0.432 *** [ BiBTeX ]

D. Reidsma, H.J.A. op den Akker, R.J. Rienks, R.W. Poppe, A. Nijholt, D.K.J. Heylen and J. Zwiers Virtual Meeting Rooms: From Observation to Simulation, AI and Society, R. Fruchter, T. Nishida and D. Rosenberg (eds), 22(2):133-144, ISSN 0951-5666, 2007 [ BiBTeX ]

Book Chapters

H.J.A. op den Akker and D.K.J. Heylen Feedback Loops in Communication and Human Computing, pp. 215-233. In Artifical Intelligence for Human Computing, M. Pantic, A. Pentland, A. Nijholt and Thomas S. Huang (eds), Springer Verlag, Berlin, ISBN 978-3-540-72346-2, 2007 [ BiBTeX ]

Contributions to Proceedings

D.K.J. Heylen and H.J.A. op den Akker Computing Backchannel Distributions in Multi-Party Conversations, in Proceedings of the ACL Workshop on Embodied Language Processing, J. Cassell and D.K.J. Heylen (eds), volume W07-19, Association of Computational Linguistics, Prague, Czech Republic, ISBN not assigned, pp. 17-24, 2007 [ BiBTeX ]

M. Poel, L. Stegeman and H.J.A. op den Akker A Support Vector Machine Approach to Dutch Part-of-Speech Tagging, in Advances in Intelligent Data Analysis VII. Proceedings of the 7th International Symposium on Intelligent Data Analysis, IDA 2007, M.R. Berthold, J. Shawe-Taylor and N. Lavrac (eds), Lecture Notes in Computer Science, volume 4723, Springer Verlag, London, ISBN 3-540-74824-5, ISSN 0302-9743, pp. 274-283, 2007 [ BiBTeX ]

B.W. van Schooten, S. Rosset, O. Galibert, A. Max, H.J.A. op den Akker and G. Illouz Handling speech input in the Ritel QA dialogue system, in Interspeech 2007, International Speech Communication Association, Antwerp, ISSN 1990-9772, pp. 126-129, 2007 [ BiBTeX ]

B.W. van Schooten and H.J.A. op den Akker Multimodal follow-up questions to multimodal answers in a QA system, in Tenth international symposium on social communication, Centro de Linguistica Aplicada, Santiago de Cuba, ISBN 959-7174-08-1, pp. 469-473, 2007 [ BiBTeX ]

M. Theune, B.W. van Schooten, H.J.A. op den Akker, W.E. Bosma, D.H.W. Hofs, A. Nijholt, E.J. Krahmer, C.M.J. van Hooijdonk and E.C. Marsi Questions, pictures, answers: introducing pictures in question-answering systems, in ACTAS-1 of X Symposio Internacional de Comunicacion Social, L. Ruiz Miyares, A. Munoz Alvarado and C. Alvarez Moreno (eds), Centro de Linguistica Aplicada, Santiago de Cuba, ISBN 959-7174-08-1, pp. 450-463, 2007 [ BiBTeX ]

Journal Papers

H.J.A. op den Akker and B.W. van Schooten Vervolguitingen in vraag-antwoorddialoogsystemen, DIXIT, tijdschrift over toegepaste taal- en spraaktechnologie, 4(1):10-11, ISSN 1572-6037, 2006 [ BiBTeX ]

N. Jovanovic, H.J.A. op den Akker and A. Nijholt A corpus for studying addressing behaviour in multi-party dialogues, Language Resources and Evaluation, L. Dybkjær and M. Wolfgang (eds), 40(1):5-23, ISSN 1574-020X, 2006 *** ISI Impact 0.308 *** [ BiBTeX ]

A. Nijholt, H.J.A. op den Akker and D.K.J. Heylen Meetings and Meeting Modeling in Smart Environments, AI and Society, 20(2):202-220, ISSN 0951-5666, 2006 [ BiBTeX ]

B.W. van Schooten and H.J.A. op den Akker Follow-up utterances in QA dialogue, Traitement Automatique des Langues, 46(3):181-206, ISSN 1248-9433, 2006 [ BiBTeX ]

Contributions to Proceedings

N. Jovanovic, H.J.A. op den Akker and A. Nijholt Addressee Identification In Face-to-Face Meetings, in Proceedings of 11th Conference of the European Chapter of the ACL (EACL), D. McCarthy and S. Wintner (eds), Association for Computational Linguistics, Pennsylvania, USA, ISBN 1-932432-59-0, pp. 169-176, 2006 [ BiBTeX ]

Journal Papers

D.K.J. Heylen, A. Nijholt and H.J.A. op den Akker Affect in Tutoring Dialogues, Applied Artificial Intelligence (special issue on Educational Agents - Beyond Virtual Tutors), 19(3-4):287-310, ISSN 0883-9514, 2005 *** ISI Impact 0.333 *** [ BiBTeX ]

Contributions to Proceedings

H.J.A. op den Akker, H.C. Bunt, S. Keizer and B.W. van Schooten From question answering to spoken dialogue - towards an information search assistant for interactive multimodal information extraction, in Proc. 9th European Conference on Speech Communication and Technology (Interspeech 2005), European Speech Communication Association (ESCA) / CEP Consultants, Edinburgh, ISSN 1018-4074, pp. 2793-2796, 2005 [ BiBTeX ]

M. Ghijsen, D.K.J. Heylen, A. Nijholt and H.J.A. op den Akker Facial Affect Displays during Tutoring Sessions, in Presented at Affective Interactions: The Computer in the Affective Loop. Workshop at IUI 2005: International Conference on Intelligent User Interfaces, San Diego, CA, USA, 2005 [ BiBTeX ]

D.K.J. Heylen, M. Ghijsen, A. Nijholt and H.J.A. op den Akker Facial Signs of Affect During Tutoring Sessions, in Affective Computing and Intelligent Interaction - First International Conference, ACII 2005, J. Tao, T. Tan and R.W. Picard (eds), Lecture notes in Computer Science, volume 3748, Springer Verlag, Berlin, ISBN 3-540-29621-2, pp. 24-31, 2005 [ BiBTeX ]

N. Jovanovic, H.J.A. op den Akker and A. Nijholt A corpus for studying addressing behavior in multi-party dialogues, in Proceedings 6th SIGdial Workshop on Discourse and Dialogue, L. Dybkjær and W. Minker (eds), ISBN not assigned, pp. 107-116, 2005 [ BiBTeX ]

N. Jovanovic, H.J.A. op den Akker and A. Nijholt Addressee Identification in Meetings, in CHI 2005 Workshop on the virtuality continuum revisited, ISBN not assigned, 2005 [ BiBTeX ]

D. Reidsma, H.J.A. op den Akker, R.J. Rienks, R.W. Poppe, A. Nijholt, D.K.J. Heylen and J. Zwiers Virtual Meeting Rooms: From Observation to Simulation, in Proceedings Social Intelligence Design 2005, R. Fruchter (eds), Stanford University, pp. 15, 2005 [ BiBTeX ]

Contributions to Proceedings

D.K.J. Heylen, M. Vissers, H.J.A. op den Akker and A. Nijholt Affective feedback in a tutoring system for procedural tasks, in ISCA Workshop on Affective Dialogue Systems, E. Andre, L. Dybkjær, W. Minker and P. Heisterkamp (eds), Lecture Notes in Computer Science, volume 3068, Springer Verlag, Berlin, ISBN 3-540-22143-3, pp. 244-253, 2004 [ BiBTeX ]

N. Jovanovic and H.J.A. op den Akker Towards automatic addressee identification in multi-party dialogues, in Proceedings of the 5th SIGdial Workshop on Discourse and Dialogue, Association for Computational Linguistics, Pennsylvania, USA, pp. 89-92, 2004 [ BiBTeX ]

M.P. Mulder, A. Nijholt, H.J.A. op den Akker, M.J. den Uyl and P. Terpstra A Lexical, Grammatical Implementation of Affect, in 7th International Conference on Text, Speech & Dialogue (TSD 2004), P. Sojka, I. Kopeček and K. Pala (eds), Lecture Notes in Computer Science, volume 3206, Springer Verlag, Heidelberg, ISBN 3-540-23049-1, pp. 171-177, 2004 [ BiBTeX ]

[Official URL]

A. Nijholt, H.J.A. op den Akker and D.K.J. Heylen Meetings and meeting modeling in smart surroundings, in Social Intelligence Design. Proceedings third international workshop, A. Nijholt and T. Nishida (eds), CTIT-Series, volume WP-04-02, CTIT, Enschede, ISBN 90-75296-12-6, pp. 145-158, 2004 [ BiBTeX ]

M. Poel, H.J.A. op den Akker, D.K.J. Heylen and A. Nijholt Emotion based Agent Architectures for Tutoring Systems: The INES Architecture, in Cybernetics and Systems 2004. Workshop on Affective Computational Entities (ACE 2004), R. Trappl (eds), Austria Society of Cybernetic Studies, Vienna, ISBN 3 85206 169 5, pp. 663-667, 2004 [ BiBTeX ]

M. Theune, S. Rensen, H.J.A. op den Akker, D.K.J. Heylen and A. Nijholt Emotional characters for automatic plot creation, in TIDSE 2004: Technologies for Interactive Digital Storytelling and Entertainment, S. Göbel, U. Spierling, A. Hoffmann, I. Iurgel, O. Schneider, J. Dechau and A. Feix (eds), Lecture Notes in Computer Science, volume 3105, Springer Verlag, Berlin, ISBN 3-540-22283-9, ISSN 0302-9743, pp. 95-100, 2004 [ BiBTeX ]

S. Zwarts, A. Nijholt, H.J.A. op den Akker and M. Poel CBR in Dependency-based Machine Translation, in Proceedings of Konvens 2004, E. Buchberger (eds), Schriftenreihe der Oesterreichischen Gesellschaft fuer Artificial Intelligence, volume 5, Oesterreichischen Gesellschaft fuer Artificial Intelligence, Vienna, ISBN 3-85027-005-X, pp. 205-208, 2004 [ BiBTeX ]

Journal Papers

E.M.A.G. van Dijk, H.J.A. op den Akker, A. Nijholt and J. Zwiers Navigation assistance in virtual worlds, Informing Science, Special Series on Community Informatics, E. Rathswohl and C. Weiner (eds), 6:115-125, ISSN 1547-9684, 2003 [ BiBTeX ]

Book Chapters

M. Hospers, E. Kroezen, A. Nijholt, H.J.A. op den Akker and D.K.J. Heylen An agent-based intelligent tutoring system for nurse education, pp. 143-159. In Applications of Software Agent Technology in the Health Care Domain, J. Nealon and A. Moreno (eds), Birkhauser Publishing Ltd, Basel, Switzerland, ISBN 978-3-7643-2662-3, 2003 [ BiBTeX ]

Contributions to Proceedings

G.J. Burghouts, H.J.A. op den Akker, D.K.J. Heylen, M. Poel and A. Nijholt An Action Selection Architecture for an Emotional Agent, in Recent Advances in Artificial Intelligence. Proceedings of the 16th International FLAIRS, I. Russell and S. Haller (eds), AAAI Press, Menlo Park, CA, USA, ISBN 1-55735-177-0, pp. 293-297, 2003 [ BiBTeX ]

[Official URL]

D.K.J. Heylen, A. Nijholt, H.J.A. op den Akker and M. Vissers Socially Intelligent Tutor Agents, in Proceedings Intelligent Virtual Agents (IVA 2003), R.S. Aylett, D. Ballin and T. Rist (eds), Lecture Notes in Artificial Intelligence, volume 2792, Springer Verlag, Berlin, ISBN 3-540-20003-7, pp. 341-347, 2003 [ BiBTeX ]

[Official URL]

D.H.W. Hofs, H.J.A. op den Akker and A. Nijholt A generic architecture and dialogue model for multimodal interaction, in Proceedings of the 1st Nordic Symposium on Multimodal Communication, P. Paggio, K. Jokinen and A. Jönsson (eds), volume 1, CST Publication, Center for Sprogteknologi, Copenhagen, ISSN 1600-339X, pp. 79-91, 2003 [ BiBTeX ]

D.H.W. Hofs, H.J.A. op den Akker, A. Nijholt and G.H.W. Hondorp A multimodal interaction system for navigation, in Proceedings Diabrück 2003, 7th Workshop on the Semantics and Pragmatics of Dialogue, I. Kruijff-Korbayova and C. Kosny (eds), Saarland University, Saarbruecken, pp. 183-184, 2003 [ BiBTeX ]

M. Hospers, E. Kroezen, A. Nijholt, H.J.A. op den Akker and D.K.J. Heylen Developing a Generic Agent-based Intelligent Tutoring System, in 3rd IEEE International Conference on Advanced Learning Technologies (ICALT 2002), V. Devedzic, J.M. Spector, D.G. Sampson and X. Kinshuk (eds), IEEE Computer Society, Los Alamitos, ISBN 0-7695-1967-9, pp. 443-443, 2003 [ BiBTeX ]

A. Nijholt, H.J.A. op den Akker and F.M.G. de Jong Language interpretation and generation for football commentary, in ACTAS-1: VIII Symposio Social, L. Ruiz Miyares, C.E. Alvarez and M.R. Alvarez Silva (eds), Centro de Linguistica Aplicade, Santiago de Cuba, ISBN 959-7174-01-4, pp. 594-599, 2003 [ BiBTeX ]

Reports

M. Hospers, E. Kroezen, A. Nijholt, H.J.A. op den Akker and D.K.J. Heylen An Agent-based Intelligent Tutoring System for Nurse Education, Technical Report, TR-CTIT-03-18, Enschede, Centre for Telematics and Information Technology University of Twente, 2003 [ BiBTeX ]

A. Nijholt, H.J.A. op den Akker, F.M.G. de Jong and H. de Jong Language Interpretation and Generation for Football Commentary, Technical Report, TR-CTIT-03-01, Enschede, Centre for Telematics and Information Technology University of Twente, 2003 [ BiBTeX ]

Journal Papers

A. Nijholt, J. van Luin and H.J.A. op den Akker Een navigatie-agent in virtual reality, I/O Vivat, 2(5):36-39, ISSN 1389-0468, 2002 [ BiBTeX ]

Contributions to Proceedings

H.J.A. op den Akker, M. Hospers, E. Kroezen, A. Nijholt and D.H. Lie A rule-based reference resolution method for Dutch discourse, in Proceedings 2002 Symposium on Reference Resolution in Natural Language Processing, S. Harabagiu and A. Ferrandez (eds), University of Alicante, Alicante, pp. 59-66, 2002 [ BiBTeX ]

S. Keizer, H.J.A. op den Akker and A. Nijholt Dialogue Act Recognition with Bayesian Networks for Dutch Dialogues, in Proceedings 3rd SIGdial Workshop on Discourse and Dialogue, K. Jokinen and S. McRoy (eds), ACL SIGDIAL, Philadelphia, pp. 88-94, 2002 [ BiBTeX ]

M. Poel, H.J.A. op den Akker, A. Nijholt and A.J. van Kesteren Learning emotions in virtual environments, in Cybernetics and Systems 2002, R. Trappl (eds), Austrian Society for Cybernetic Studies, Vienna, ISBN 3-85206-160-1, pp. 751-755, 2002 [ BiBTeX ]

Journal Papers

E.M.A.G. van Dijk, A. Nijholt, H.J.A. op den Akker and J. Zwiers Persoonlijke assistentie in virtuele werelden, Informatie, 43:42-46, ISSN 0019-9907, 2001 [ BiBTeX ]

Contributions to Proceedings

E.M.A.G. van Dijk, H.J.A. op den Akker, A. Nijholt and J. Zwiers Navigation assistance in virtual worlds, in E-Proceedings 2001 Informing Science Conference, A. Hariger (eds), Informing Science Institute (ISI), Santa Rosa, CA, ISSN 1535-0703, pp. 1-9, 2001 [ BiBTeX ]

A. Egges, A. Nijholt and H.J.A. op den Akker Dialogs with BDP agents in virtual environments, in Knowledge and Reasoning in Practical Dialogue Systems. Working Notes, IJCAI-2001, K. Jokinen (eds), ACM IJCAI, New York, pp. 29-35, 2001 [ BiBTeX ]

J. van Luin, H.J.A. op den Akker and A. Nijholt A dialogue agent for navigation support in virtual reality, in Conf. on Human factors in computing systems (CHI), ACM Press, New York, ISBN 1-58113-340-5, pp. 117-118, 2001 [ BiBTeX ]

J. van Luin, A. Nijholt and H.J.A. op den Akker Natural Language Navigation Support in Virtual Reality, in Proceedings International Conference on Augmented, Virtual Environments and Three-Dimensional Imaging (ICAV3D), V. Giagourta and M.G. Strintzis (eds), CERTH, Thessaloniki, pp. 263-266, 2001 [ BiBTeX ]

A. Nijholt, A. Egges, H.J.A. op den Akker and J. Zwiers Animated BDP agents in virtual environments, in Proceedings of the Belgium-Netherlands Artificial Intelligence Conference (BNAIC'01), B.J.A. Kröse, M. de Rijke, G. Schreiber and M. van Someren (eds), Universiteit van Amsterdam, Amsterdam, ISBN not assigned, pp. 329-336, 2001 [ BiBTeX ]

Contributions to Proceedings

H.J.A. op den Akker and A. Nijholt Dialogues for Embodied Agents in Virtual Environments, in Natural Language Processing - NLP 2000, Second International Conference, D.N. Christodoulakis (eds), Lecture Notes in Artificial Intelligence, volume 1835, Springer Verlag, Berlin, ISBN 3-540-67605-8, pp. 358-369, 2000 [ BiBTeX ]

[Official URL]

A.J. van Kesteren, H.J.A. op den Akker, M. Poel and A. Nijholt Simulation of emotions of agents in virtual environments using neural networks, in Learning to Behave: Internalising Knowledge, K. Jokinen, D.K.J. Heylen and A. Nijholt (eds), Twente Workshop on Language Technology, volume 18, University of Twente, Enschede, ISSN 0929-0672, pp. 137-147, 2000 [ BiBTeX ]

J. Zwiers, E.M.A.G. van Dijk, A. Nijholt and H.J.A. op den Akker Design issues for navigation and assistance agents in virtual environments, in Learning to Behave: Interacting Agents, A. Nijholt, D.K.J. Heylen and K. Jokinen (eds), Twente Workshop on Language Technology, University of Twente, Enschede, ISSN 0929-0672, pp. 119-132, 2000 [ BiBTeX ]

Contributions to Proceedings

D.H. Lie, J. Hulstijn, H.J.A. op den Akker and A. Nijholt A Transformational Approach to NL Understanding in Dialogue Systems, in Proceedings NLP and Industrial Applications, C. Moghrabi (eds), Université de Moncton, Moncton, Canada, pp. 163-168, 1998 [ BiBTeX ]

Book Chapters

N. Sikkel and H.J.A. op den Akker Predictive Head-Corner Chart Parsing, pp. 169-182. In Recent Advances in Parsing Technology, H.C. Bunt and M. Tomita (eds), Kluwer Academic Publishers, Boston, ISBN 0-7923-4152-X, 1996 [ BiBTeX ]

Contributions to Proceedings

H.J.A. op den Akker, H.W.L. ter Doest, M. Moll and A. Nijholt Parsing in dialogue systems using typed feature structures, in Proceedings 3rd International Workshop on Parsing Technologies (IWPT'95), H.C. Bunt and E. Hajicova (eds), University of Prague, Prague, pp. 10-11, 1995 [ BiBTeX ]

J.A. Andernach, H.W.L. ter Doest, H.J.A. op den Akker, G.F. van der Hoeven, J. Schaake, S.P. van de Burgt and A. Nijholt Language analysis for dialogue management in a theatre information and booking system, in Proceedings of Artificial Intelligence'95: Fifteenth International Conference (Language Engineering 95), University of Montpellier, Montpellier, pp. 351-362, 1995 [ BiBTeX ]

Reports

H.J.A. op den Akker, H.W.L. ter Doest, M. Moll and A. Nijholt Parsing in Dialogue Systems using Typed Feature Structures, Memorandum Informatica, 95-25, Enschede, Department of Computer Science, University of Twente, Pages: 22, 1995 [ BiBTeX ]

Contributions to Proceedings

H.J.A. op den Akker and H.W.L. ter Doest Weakly Restricted Stochastic Grammars, in COLING 1994, 15th International Conference on Computational Linguistics, M. Nagao (eds), Association for Computational Linguistics, Pennsylvania, pp. 929-934, 1994 [ BiBTeX ]

Contributions to Proceedings

N. Sikkel and H.J.A. op den Akker Predictive Head-Corner Chart Parsing, in Third International Workshop on Parsing Technologies (IWPT3), H.C. Bunt and M. Tomita (eds), IWPT, Tilburg University, Tilburg, ISBN not assigned, pp. 267-276, 1993 [ BiBTeX ]

Journal Papers

H.J.A. op den Akker On LC(0) grammars and languages, Theoretical computer science, M. Nivat (eds), 66(1):65-85, ISSN 0304-3975, 1989 *** ISI Impact 0.665 *** [ BiBTeX ]

Dissertations

H.J.A. op den Akker Parsing Attribute Grammars, PhD Thesis, University of Twente, December 08 1988, Enschede, Pages: 178, Promotors: L.A.M. Verbeek and A. Nijholt, 1988 [ BiBTeX ]

Book Chapters

H.J.A. op den Akker On Covers and Left-Corner Parses, pp. 107-127. In Essays on concepts, formalisms, and tools, P.R.J. Asveld and A. Nijholt (eds), Stichting Mathematisch Centrum, Amsterdam, ISBN 90 6196 326 5, 1987 [ BiBTeX ]

Publications (1) as Editor:	Assistent Promotor Author

Books

Linguistic Engineering: Tools and Products, H.J.A. op den Akker, A. Nijholt and W. van der Stal (eds), Twente Workshop on Language Technology, Vol: 2. University of Twente, Enschede, ISSN 0929-0672, pp. 115, 1992 [ BiBTeX ] [

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Assistent Promotor (4)	Author Editor

Dissertations (Assistent Promotor)

D. Reidsma Annotations and Subjective Machines of Annotators, Embodied Agents, Users, and Other Humans, PhD Thesis, University of Twente, October 09 2008, Twente University Press, Enschede, ISSN 1381-3617, ISBN 90-365-2726-0, Pages: 98, Promotors: A. Nijholt, Ass. Promotors: H.J.A. op den Akker, 2008 [ BiBTeX ]

Dissertations (Assistent Promotor)

N. Jovanovic To Whom It May Concern - Addressee Identification in Face-to-Face Meetings , PhD Thesis, University of Twente, March 14 2007, Enschede, The Netherlands, ISSN 1381-3617, ISBN 978-90-365-2470-4, Pages: 187, Promotors: A. Nijholt, Ass. Promotors: H.J.A. op den Akker, 2007 [ BiBTeX ]

Dissertations (Assistent Promotor)

S. Keizer Reasoning under Uncertainty in Natural Language Dialogue using Bayesian Networks, PhD Thesis, University of Twente, Enschede, September 03 2003, Twente University Press, Enschede, the Netherlands, ISBN 90-365-1951-9, Pages: 166, Promotors: A. Nijholt, Ass. Promotors: H.J.A. op den Akker, 2003 [ BiBTeX ]

[Official URL]

Dissertations (Assistent Promotor)

H.W.L. ter Doest Towards Probabilistic Unification-Based Parsing, PhD Thesis, University of Twente, February 12 1999, Neslia Paniculata, Enschede, ISBN 90-75296-04-5, Pages: 134, Promotors: A. Nijholt, Ass. Promotors: H.J.A. op den Akker, 1999 [ BiBTeX ]

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