On LC(0) Grammars and Languages. - Rieks op den Akker (Theor. Comput. Sci., 1989)

The Hierarchy of LR-Attributed Grammars. - Rieks op den Akker; Borivoj Melichar; Jorma Tarhio (WAGA, 1990)

Attribute Evaluation and Parsing. - Rieks op den Akker; Borivoj Melichar; Jorma Tarhio (Attribute Grammars, Applications and Systems, 1991)

Storage Allocation for Attribute Evaluators Using Stacks and Queues. - Rieks op den Akker; Erik Sluiman (Attribute Grammars, Applications and Systems, 1991)

Weakly Restricted Stochastic Grammars. - Rieks op den Akker; Hugo ter Doest (COLING, 1994)

A Bibliography on Parallel Parsing. - Henk Alblas; Rieks op den Akker; Paul Oude Luttighuis; Klaas Sikkel (ACM SIGPLAN Notices, 1994)

Parsing in Dialogue Systems Using Typed Feature Structures. - Rieks op den Akker; Hugo ter Doest; Mark Moll; Anton Nijholt (IWPT, 1995)

Dialogues for Embodied Agents in Virtual Environments. - Rieks op den Akker; Anton Nijholt (Natural Language Processing, 2000)

A dialogue agent for navigation support in virtual reality. - Jeroen van Luin; Rieks op den Akker; Anton Nijholt (CHI Extended Abstracts, 2001)

Dialogue Act Recognition with Bayesian Networks for Dutch Dialogues. - Simon Keizer; Rieks op den Akker; Anton Nijholt (SIGDIAL Workshop, 2002)

An Action Selection Architecture for an Emotional Agent. - Gertjan J. Burghouts; Dirk Heylen; Mannes Poel; Rieks op den Akker; Anton Nijholt (FLAIRS, 2003)

Developing a Generic Agent-Based Intelligent Tutoring System. - M. Hospers; E. Kroezen; Anton Nijholt; Rieks op den Akker; Dirk Heylen (ICALT, 2003)

Socially Intelligent Tutor Agents. - Dirk Heylen; Anton Nijholt; Rieks op den Akker; Maarten Vissers (IVA, 2003)

Navigation Assistance in Virtual Worlds. - Betsy van Dijk; Rieks op den Akker; Anton Nijholt; Job Zwiers (Informing Sci. Int. J. an Emerg. Transdiscipl., 2003)

Affective Feedback in a Tutoring System for Procedural Tasks. - Dirk Heylen; Maarten Vissers; Rieks op den Akker; Anton Nijholt (ADS, 2004)

Towards Automatic Addressee Identification in Multi-party Dialogues. - Natasa Jovanovic; Rieks op den Akker (SIGDIAL Workshop, 2004)

Emotional Characters for Automatic Plot Creation. - Mariët Theune; Sander Rensen; Rieks op den Akker; Dirk Heylen; Anton Nijholt (TIDSE, 2004)

Facial Signs of Affect During Tutoring Sessions. - Dirk Heylen; Mattijs Ghijsen; Anton Nijholt; Rieks op den Akker (ACII, 2005)

From question answering to spoken dialogue: towards an information search assistant for interactive multimodal information extraction. - Rieks op den Akker; Harry Bunt; Simon Keizer; Boris W. van Schooten (INTERSPEECH, 2005)

A Corpus for Studying Addressing Behavior in Multi-Party Dialogues. - Natasa Jovanovic; Rieks op den Akker; Anton Nijholt (SIGDIAL Workshop, 2005)

Affect In Tutoring Dialogues. - Dirk Heylen; Anton Nijholt; Rieks op den Akker (Appl. Artif. Intell., 2005)

Addressee Identification in Face-to-Face Meetings. - Natasa Jovanovic; Rieks op den Akker; Anton Nijholt (EACL, 2006)

Meetings and meeting modeling in smart environments. - Anton Nijholt; Rieks op den Akker; Dirk Heylen (AI Soc., 2006)

A corpus for studying addressing behaviour in multi-party dialogues. - Natasa Jovanovic; Rieks op den Akker; Anton Nijholt (Lang. Resour. Evaluation, 2006)

Feedback Loops in Communication and Human Computing. - Rieks op den Akker; Dirk Heylen (Artifical Intelligence for Human Computing, 2007)

Mutually Coordinated Anticipatory Multimodal Interaction. - Anton Nijholt; Dennis Reidsma; Herwin van Welbergen; Rieks op den Akker; Zsófia Ruttkay (COST 2102 Workshop (Patras), 2007)

Affordances and Cognitive Walkthrough for Analyzing Human-Virtual Human Interaction. - Zsófia Ruttkay; Rieks op den Akker (COST 2102 Workshop (Patras), 2007)

A Support Vector Machine Approach to Dutch Part-of-Speech Tagging. - Mannes Poel; Luite Stegeman; Rieks op den Akker (IDA, 2007)

Handling speech input in the ritel QA dialogue system. - Boris W. van Schooten; Sophie Rosset; Olivier Galibert; Aurélien Max; Rieks op den Akker; Gabriel Illouz (INTERSPEECH, 2007)

Virtual meeting rooms: from observation to simulation. - Dennis Reidsma; Rieks op den Akker; Rutger Rienks; Ronald Poppe; Anton Nijholt; Dirk Heylen; Job Zwiers (AI Soc., 2007)

Dialogue act recognition under uncertainty using Bayesian networks. - Simon Keizer; Rieks op den Akker (Nat. Lang. Eng., 2007)

Supporting Engagement and Floor Control in Hybrid Meetings. - Rieks op den Akker; Dennis Hofs; Hendri Hondorp; Harm op den Akker; Job Zwiers; Anton Nijholt (COST 2102 Conference (Prague), 2008)

Social agents: The first generations. - Dirk Heylen; Mariët Theune; Rieks op den Akker; Anton Nijholt (ACII, 2009)

Synthesis and Analysis in Artificial Intelligence: The Role of Theory in Agent Implementation. - Roxanne B. Raine; Rieks op den Akker; Zhiqiang Cai 002; Arthur C. Graesser; Danielle S. McNamara (DASC, 2009)

Are You Being Addressed? - Real-Time Addressee Detection to Support Remote Participants in Hybrid Meetings. - Harm op den Akker; Rieks op den Akker (SIGDIAL Conference, 2009)

Follow-up question handling in the IMIX and Ritel systems: A comparative study. - Boris W. van Schooten; Rieks op den Akker; Sophie Rosset; Olivier Galibert; Aurélien Max; Gabriel Illouz (Nat. Lang. Eng., 2009)

On the Contextual Analysis of Agreement Scores. - Dennis Reidsma; Dirk Heylen; Rieks op den Akker (Multimodal Corpora, 2009)

Evaluating informative auditory and tactile cues for in-vehicle information systems. - Yujia Cao; Frans van der Sluis; Mariët Theune; Rieks op den Akker; Anton Nijholt (AutomotiveUI, 2010)

Conveying Directional Gaze Cues to Support Remote Participation in Hybrid Meetings. - Betsy van Dijk; Job Zwiers; Rieks op den Akker; Olga A. Kulyk; Hendri Hondorp; Dennis Hofs; Anton Nijholt (COST 2102 Training School, 2010)

The organisation of floor in meetings and the relation with speaker addressee patterns. - Rieks op den Akker; Mariët Theune; Khiet P. Truong; Iwan de Kok (SSPW@MM, 2010)

Natural interaction with a virtual guide in a virtual environment. - Dennis Hofs; Mariët Theune; Rieks op den Akker (J. Multimodal User Interfaces, 2010)

Automatic summarisation of discussion fora. - Almer S. Tigelaar; Rieks op den Akker; Djoerd Hiemstra (Nat. Lang. Eng., 2010)

Ontology-Based Generation of Dynamic Feedback on Physical Activity. - Wilko Wieringa; Harm op den Akker; Valerie M. Jones; Rieks op den Akker; Hermie J. Hermens (AIME, 2011)

A personal context-aware multi-device coaching service that supports a healthy lifestyle. - Rieks op den Akker; Randy Klaassen; Tine Lavrysen; Gijs Geleijnse; Aart van Halteren; Henk Schwietert; Marloes van der Hout (BCS HCI, 2011)

Generating Varied Narrative Probability Exercises. - Mariët Theune; Roan Boer Rookhuiszen; Rieks op den Akker; Hanneke Geerlings (BEA@ACL, 2011)

On the Nature of Engineering Social Artificial Companions. - Dirk Heylen; Rieks op den Akker; Mark ter Maat; Paolo Petta; Stefan Rank; Dennis Reidsma; Job Zwiers (Appl. Artif. Intell., 2011)

The IMIX Demonstrator: An Information Search Assistant for the Medical Domain. - Dennis Hofs; Boris W. van Schooten; Rieks op den Akker (Interactive Multi-modal Question-Answering, 2011)

Vidiam: Corpus-based Development of a Dialogue Manager for Multimodal Question Answering. - Boris W. van Schooten; Rieks op den Akker (Interactive Multi-modal Question-Answering, 2011)

Opportunities for smart & tailored activity coaching. - Harm op den Akker; Randy Klaassen; Rieks op den Akker; Valerie M. Jones; Hermie J. Hermens (CBMS, 2013)

Geo-locked photo sharing on mobile devices. - Dhaval Vyas; Edwin Keijl; Rieks op den Akker; Anton Nijholt; Gerrit C. van der Veer (CHI Extended Abstracts, 2013)

The recognition of acted interpersonal stance in police interrogations. - Sophie Spitters; Merijn Sanders; Rieks op den Akker; Merijn Bruijnes (CogInfoCom, 2013)

Accompany: Acceptable robotiCs COMPanions for AgeiNG Years - Multidimensional aspects of human-system interactions. - Farshid Amirabdollahian; Rieks op den Akker; Sandra Bedaf; Richard Bormann; Heather Draper; Vanessa Evers; Gert Jan Gelderblom; Carolina Gutierrez Ruiz; David J. Hewson; Ninghang Hu; Iolanda Iacono; Kheng Lee Koay; et al. (HSI, 2013)

Feedback presentation for mobile personalised digital physical activity coaching platforms. - Randy Klaassen; Rieks op den Akker; Harm op den Akker (PETRA, 2013)

User preferences for multi-device context-aware feedback in a digital coaching system. - Randy Klaassen; Rieks op den Akker; Tine Lavrysen; Susan van Wissen (J. Multimodal User Interfaces, 2013)

Assistive technology design and development for acceptable robotics companions for ageing years. - Farshid Amirabdollahian; Rieks op den Akker; Sandra Bedaf; Richard Bormann; Heather Draper; Vanessa Evers; Jorge Gallego Perez; Gert Jan Gelderblom; Carolina Gutierrez Ruiz; David J. Hewson; Ninghang Hu; Kheng Lee Koay; et al. (Paladyn J. Behav. Robotics, 2013)

A Method to Evaluate Response Models. - Merijn Bruijnes; Sjoerd Wapperom; Rieks op den Akker; Dirk Heylen (IVA, 2014)

A model for incremental grounding in spoken dialogue systems. - Thomas Visser; David R. Traum; David DeVault; Rieks op den Akker (J. Multimodal User Interfaces, 2014)

Virtual Suspect William. - Merijn Bruijnes; Rieks op den Akker; Arno Hartholt; Dirk Heylen (IVA, 2015)

Tailored motivational message generation: A model and practical framework for real-time physical activity coaching. - Harm op den Akker; Miriam Cabrita; Rieks op den Akker; Valerie M. Jones; Hermie J. Hermens (J. Biomed. Informatics, 2015)

The recognition of acted interpersonal stance in police interrogations and the influence of actor proficiency. - Merijn Bruijnes; Rieks op den Akker; Sophie Spitters; Merijn Sanders; Quihua Fu (J. Multimodal User Interfaces, 2015)

Let them play: experiences in the wild with a gamification and coaching system for young diabetes patients. - Rieks op den Akker; Randy Klaassen; Kim C. M. Bul; Pamela M. Kato; Gert Jan van der Burg; Pierpaolo Di Bitonto (PervasiveHealth, 2017)

Council of Coaches - A Novel Holistic Behavior Change Coaching Approach. - Harm op den Akker; Rieks op den Akker; Tessa Beinema; Oresti Baños; Dirk Heylen; Björn Bedsted; Alison Pease; Catherine Pelachaud; Vicente Traver Salcedo 001; Sofoklis A. Kyriazakos; Hermie Hermens (ICT4AWE, 2018)

Design and Evaluation of a Pervasive Coaching and Gamification Platform for Young Diabetes Patients. - Randy Klaassen; Kim C. M. Bul; Rieks op den Akker; Gert Jan van der Burg; Pamela M. Kato; Pierpaolo Di Bitonto (Sensors, 2018)