2024

• C. Buche, A. Rossi, M. Simoes, and U. Visser, eds., Proceedings of Robot Soccer World Cup XXVI (RoboCup Symposium 2023), Lecture Notes in Artificial Intelligence, Springer Berlin / Heidelberg / New York, 2024. To appear.
  
• K. Pasternak, C. Duarte, J. Ojalvo, U. Visser, and C. Lisetti, “3D Multimodal Socially Interactive Robot with ChatGPT Active Listening,” in RoboCup 2023: Robot Soccer World Cup XXV, Springer Nature, 2024. to appear.
  

2023

• R. E. C. Cid, D. D. Zheng, M. Kitaigorodsky, M. Adjouadi, E. A. Crocco, M. Georgiou, C. Gonzalez- Jimenez, A. Ortega, M. Goryawala, N. Nagornaya, P. Pattany, E. Sfakianaki, U. Visser, and D. A. Loewenstein, “A Novel Computerized Cognitive Test for the Detection of Mild Cognitive Impairment and Its Association with Neurodegeneration in Alzheimer’s Disease Prone Brain Regions,” Advances in Alzheimer’s Disease, vol. 12, pp. 38–54, September 2023. doi:10.4236/aad.2023.123004 
  
• J. E. Katz, L. Abdelrahman, S. Nackeeran, U. Ezeh, U. Visser, and L. A. Deane, “The development of an artificial intelligence model based solely on computer tomography successfully predicts which patients will pass obstructing ureteral calculi,” Urology, https://doi.org/10.1016/j.urology.2023.01.025, 2023.

2022

• R. Dass, N. Petersen, M. Omori, T. R. Lave, and U. Visser, “Detecting Racial Inequalities in Criminal Justice: Towards An Equitable Deep Learning Approach for Generating and Interpreting Racial Categories using Mugshots,” AI & Society, 2022, DOI: 10.1007/s00146-022-01440-z, 22 pages. 

2021

• K. Pasternak, Z. Wu, U. Visser, and C. Lisetti, “Towards building rapport with a Human Support Robot,” in RoboCup 2021: Robot Soccer World Cup XXV (O. Obst et al., ed.), pages 214--225, Springer Berlin / Heidelberg, 2021.

• K. Pasternak, Z. Wu, U. Visser, and C. Lisetti, “Let’s be friends! A rapport-building 3D embodied conversational agent for the Human Support Robot,” in nHRI, Workshop on non-verbal communication at the ACM/IEEE International Conference on Human-Robot Interaction (J. H. et al., ed.), p. 5, ACM/IEEE, arxiv, 2021. https://arxiv.org/abs/2103.04498v1.

• D. Verdear and U. Visser, “Ontology-based Knowledge System and Team Verification Tool for Competitive Pokemon,” in Proceedings of the 34th International Florida Artificial Intelligence Research Society Conference (FLAIRS) (F. Keshtkar and E. Bell, eds.), vol. 34, p. 6 pages, AAAI press, 2021. https://doi.org/10.32473/flairs.v34i1.128544.

• M. Boustani, M. Polceanu, S. Lunn, U. Visser, and C. Lisetti, “Development, feasibility, acceptability, and utility of an expressive speech-enalbed digital health agent to deliver online brief motivational interviewing for alcohol misuse,” Journal of Medical Internet Research, vol. 23(9), 15 pages, August 2021. doi: 10.2196/25837

• R.E. Curiel-Cid and E.A. Crocco and M. Kitaigorodsky and L. Beaufils and P.A. Peña and G. Grau and U. Visser and D.A. Loewenstein, “A Novel Computerized Cognitive Stress Test to Detect Mild Cognitive Impairment,” The Journal of Prevention of Alzheimer’s Disease - JPAD, vol. 8, pp. 135–141, February 2021.

2020

• Visser, U. Our software production is still some sort of hacking (Interview with W. Bibel). Künstliche Intelligenz 34(4), pages 563–569, (2020), 7, DOI: https://doi.org/10.1007/s13218-020-00676-5.

• Rahul Dass, Nick Petersen, Ubbo Visser and Marisa Omori (2020): It’s Not Just Black and White: Classifying Defendant Mugshots Based on the Multidimensionality of Race and Ethnicity. In L. Paull and M. Brown (ed.), Proceedings of the 17th Computer and Robot Vision, (pp 238-245), IEEE Xplore,  DOI 10.1109/CRV50864.2020.00039. 

• Pedro Peña and Ubbo Visser (2020). ITP: Inverse Trajectory Planning for Human Pose Prediction. Künstliche Intelligenz , 34(2), pages 209-225, June 2020, DOI: https://doi.org/10.1007/s13218-020-00658-7.

• Pedro Peña and Ubbo Visser (2020). Adaptive Walk-Kick on a Bipedal Robot, in RoboCup 2019: Robot Soccer World Cup XXIII (S. C. et al., ed.), vol. 11531, pp. 213–226, Springer Berlin / Heidelberg, 2020. Best Paper Nomination.
• C. Branning, G. Sutcliffe, T. Beavers, U. Visser, and R. Schutt, “Statistical Analysis of Sailing Forecasts,” in INNOV’SAIL, Proceedings of the 5th International Conference on Innovation in High Performance Sailing Yachts and Sail-Assisted Ship Propulsion (L. Larsson, G. Allwright, P. Bot, R. Flay, and I. Viola, eds.), vol. 5, pp. 99–106, University of Gothenburg, University of Gothenburg, June 2020. https://tinyurl.com/y8zhyot3.

2019

• McGinty, H. K., Visser, U., & Schürer, S. (2019). How to Develop a Drug Target Ontology: KNowledge Acquisition and Representation Methodology (KNARM). In Bioinformatics and Drug Discovery (pp. 49-69). Humana Press, New York, NY, doi: (https://doi.org/10.1007/978-1-4939-9089-4_4).

• Pedro Peña, Christine Lisetti, Mihai Polceanu, and Ubbo Visser. "eEVA: Real-time Web-based Affective Agents for Human-Robot Interface". In: Dirk Holz, Katie Genter, Maarouf Saad, and Oskar von Stryk, editors, RoboCup 2018: Robot Soccer World Cup XXII. Springer Berlin / Heidelberg, vol. 11374 LNCS, pp. 262--274, 2019.

2018

• Ubbo Visser. "AI and Robotics for the Human Brain Project II". Künstliche Intelligenz , 32:273–278, August 2018. doi: (https://doi.org/10.1007/s13218-018-0553-9).

• Ubbo Visser, "Robots in Committees", Künstliche Intelligenz , 32(1), 85-90. (https://doi.org/10.1007/s13218-017-0521-9).

• P. Peña,  J. Masterjohn, and U. Visser, “An Omni-directional Kick Engine for Humanoid Robots with Parameter Optimization,” in RoboCup 2017: Robot Soccer World Cup XXI (H. Akiyama, O.  Obst, C. Sammut, and F. Tonidandel, eds.), Springer Berlin / Heidelberg, pp. 385--397, 2018.

2017

• P. Pena, J. Masterjohn, and U. Visser, “Optimizing Kick Trajectory: A Comparative Study,” in GCAI 2017. 3rd Global Conference on Artificial Intelligence (C. B. et al., ed.), vol. 50, pp. 239–245, EPiC Series in Computing, 2017.

• Ubbo Visser, "Robots in Committees", Künstliche Intelligenz , 32(1). (https://doi.org/10.1007/s13218-017-0521-9) published OnlineFirst, in print.

• Yu Lin, Saurabh Mehta, Hande Kucuk McGinty, John Paul Turner, Dusica Vidovic, Michele Forlin, Amar Koleti, Dac-Trung Nguyen, Lars Juhl Jensen, Rajarshi Guha, Stephen L. Mathias, Oleg Ursu, Vasileios Stathias, Jianbin Duan, Nooshin Nabizadeh, Caty Chung, Christopher Mader, Ubbo Visser, Jeremy J. Yang, Cristian G. Bologa, Tudor Oprea, Stephan C. Schurer, "Drug Target Ontology to Classify and Integrate Drug Discovery Data". Journal of Biomedical Semantics 8:50, 1-16. (doi: https://doi.org/10.1101/117564)

• P. Pena, J. Masterjohn, and U. Visser, “An Omni-directional Kick Engine for Humanoid Robots with Parameter Optimization,” in RoboCup 2017: Robot Soccer World Cup XXI (H. Akiyama, O. Obst, C. Sammut, and F. Tonidandel, eds.), Springer Berlin / Heidelberg, 2017, pre-print version online.

• Ubbo Visser, “Quo vadis AI,” Künstliche Intelligenz , 31(1):99-105. (doi: 10.1007/s13218-017-0485-9)

• Kyle Poore, Joseph Masterjohn, Andreas Seekircher, Pedro Pena, and Ubbo Visser. DTMF Audio Communication for NAO Robots. In I. Russell and W. Eberle, editors, Proceedings of the 30th International Florida Artificial Intelligence Research Society Conference. Pages: 448-453, AAAI press, 2017.

• Andreas Seekircher and Ubbo Visser. A Closed-Loop Gait for Humanoid Robots Combining LIPM with Parameter Optimization. In Sven Behnke, Daniel Lee, Sanem Sariel, and Raymond Sheh, editors, RoboCup 2016: Robot Soccer World Cup XX. pages 71-83, Springer Berlin / Heidelberg, 2017.

 

2016

• Seekircher, A., and Visser, U. An Adaptive LIPM-based Dynamic Walk using Model Parameter Optimization on Humanoid Robots. Künstliche Intelligenz (KI), Special Issue RoboCup 30, 3 (July 2016), 1–12. (doi:10.1007/s13218-016-0437-9)
• Ubbo Visser. 20 Years of RoboCup. KI - Künstliche Intelligenz, 30(3):217-220, 2016. (doi: 10.1007/s13218-016-0439-7).

• Ubbo Visser. Semantic Web Reloaded: An update on the progress of semantic web technologies. KI - Künstliche Intelligenz, 30(2):109–112, 2016. ISSN 1610-1987. doi: 10.1007/s13218-016-0433-0.

• Saminda Abeyruwan, Dilip Sarkar, Faisal Sikder, and Ubbo Visser. Semi-Automatic Extraction of Training Examples from Sensor Readings for and Posture Monitoring. IEEE Sensors, 16(13):5406–5415, April 2016. (doi:10.1109/JSEN.2016.2559804).
• Alison Callahan, Matthew C. Danzi, Giulia Zunino, Daniel J. Cooper, Nigam H. Shah, Ubbo Visser, John L. Bixby, and Vance P. Lemmon. Extending RegenBase to elucidate effects of nerve injury on gene expression: In Bio-Ontologies SIG at Intelligent Systems for Molecular Biology (2016), M. Dumontier, P. Rocca-Serra, N. Shah, and K. Verspoor, Eds., July 2016.
• Hande Küçük-McGinty, Yu Lin, Saurabh Mehta, Nooshin Nabizadeh, Vasileios Stathias, Dusica Vidovic, Amar Koleti, Christopher Mader, Jianbin Duan, Ubbo Visser, Tudor Oprea, and Stephan Schürer. Ontologies to integrate, classify and model drug discovery data. In:  Bio-Ontologies SIG at Intelligent Systems for Molecular Biology, M. Dumontier, P. Rocca-Serra, N. Shah, and K. Verspoor, Eds., July 2016.
• Hande Küçük-McGinty, Saurabh Mehta, Yu Lin and Nooshin Nabizadeh, Vasileios Stathias, Dusica Vidovic, Amar Koleti, Christopher Mader, Jianbin Duan, Ubbo Visser, and Stephan Schürer. Building Concordant Ontologies for Drug Discovery. In Proceedings of the 7th International Conference on Biological Ontology, 2016.
• Joseph G. Masterjohn, Mihai Polceanu, Julian Jarrett, Andreas Seekircher, Cédric Buche, and Ubbo Visser. Regression and Mental Models for Decision Making on Robotic Biped Goalkeepers. In Luis Almeida, Jianmin Ji, Gerald Steinbauer, and Sean Luke, editors, RoboCup 2015: Robot Soccer World Cup XIX, volume 9513 of Lecture Notes in Artificial Intelligence, pages 177 – 189. Springer Berlin / Heidelberg, 2016. (doi: 10.1007/978-3-319-29339-4_15).
• Ubbo Visser. AI and Robotics: RoboCup Evolution. KI - Künstliche Intelligenz, 30(1):333-337, 2016. (doi: 10.1007/s13218-015-0423-7).
• Alison Callahan, Saminda W. Abeyruwan, Hassan Al-Ali, Adam R. Ferguson, Phillip G. Popovich, Nigam Shah, Ubbo Visser, John L. Bixby, and Vance P. Lemmon. RegenBase: A knowledge base of spinal cord injury biology for translational research. Database: Oxford Journal, 2016:1–13, March 2016. (doi:10.1093/database/baw040)

2015

• Saminda Abeyruwan and Ubbo Visser. A New Real-Time Algorithm to Extend DL Assertional Formalism to Represent and Deduce Entities in Robotic Soccer. In A. C. Bianchi, H. Akin Reinaldo, Subramanian Ramamoorthy, and Komei Sugiura, editors, RoboCup 2014: Robot Soccer World Cup XVIII, volume 8992 of LNAI, pages 270–282. Springer International Publishing Switzerland, 2015. (doi: 10.1007/978-3-319-18615-3_22) 
• Saminda Abeyruwan, Ramesh Baral, Ugan Yasavur, Andreas Seekircher, Ubbo Visser, and Christine Lisetti. Spoken Dialog Systems for Health Interventions using Fully Autonomous Humanoid Robots. In Ingrid Russell and William Eberle, editors, Proceedings of FLAIRS 2015. AAAI, AAAI press, 2015. Poster.
• Saminda Abeyruwan, Faisal Sikder, Ubbo Visser, and Dilip Sakar. Activity Monitoring and Prediction for Humans and NAO Humanoid Robots using Wearable Sensors. In Ingrid Russell and William Eberle, editors, Proceedings of the Twenty-Eighth International Florida Artificial Intelligence Research Society Conference, pages 342 – 347. AAAI, AAAI press, 2015.
• Vance Lemmon, Alison Callahan, Saminda Abeyruwan, Adam Ferguson, Phillip Popovich, Ubbo Visser, and John Bixby. Facilitating reproducibility and data integration for SCI reseach with MIASCI and RegenBase. Journal of Neurotrauma, 32(12):A–1--A–152, 2015. ( doi:0.1089/neu.2015.29000.abstracts.)
• Kyle Poore, Saminda Abeyruwan, Andreas Seekircher, and Ubbo Visser. Single- and Multi-Channel Whistle Recognition with NAO Robots. In A. C. Bianchi, H. Akin Reinaldo, Subramanian Ramamoorthy, and Komei Sugiura, editors, RoboCup 2014: Robot Soccer World Cup XVIII, volume 8992 of LNAI, pages 1–13. Springer International Publishing Switzerland, 2015. (doi: 10.1007/978-3-319-18615-3 20)
• Ubbo Visser. KI Fachbereichspolitik und künstliche kognitive Systeme. KI - Künstliche Intelligenz, 29(2):207–212, 2015. (doi:10.1007/s13218-015-0353-4)
• Ubbo Visser. Recent statistics on the growth of the KI journal. KI - Künstliche Intelligenz, 29(2):107–110, 2015. (doi:10.1007/s13218-015-0369-9)
• Jia Xu, Emilo Shironoshita, Ubbo Visser, Nigel John, and Mansur Kabuka. Converting Instance Checking to Subsumption: A Rethink for Object Queries over Practical Ontologies. International Journal of Intelligence Science, 5(1):44–62, January 2015. (doi:10.4236/ijis.2015.51005)

2014

• Saminda Abeyruwan, Ramesh Baral, Ugan Yasavur, Christine Lisetti, and Ubbo Visser. Humanoid Robots and Spoken Dialog Systems for Brief Health Interventions. In Sonia Chernova, Kris Hauser, Chad Jenkins, Maja Mataric, Andrea Thomaz, and Manuela Veloso, editors, AAAI Fall Symposium, AI-HRI Workshop, AAAI Fall Symposium Series, pages 2–4. AAAI press, 2014.
• Alexander Härtl, Ubbo Visser, and Thomas Röfer. Robust and Efficient Object Recognition for the Standard Platform League. In Sven Behnke, Manuela Veloso, Arnoud Visser, and Rong Xiong, editors, RoboCup 2013: Robot Soccer World Cup XVII, LNAI 8371, pages 396 – 407. Springer Berlin / Heidelberg, 2014. (doi: 10.1007/978-3-662-44468-9_35)
• Justin Stoecker and Ubbo Visser. Visualizing and Debugging Complex Multi-Agent Soccer Scenes in Real Time. In Sven Behnke, Manuela Veloso, Arnoud Visser, and Rong Xiong, editors, RoboCup 2013: Robot Soccer World Cup XVII, LNAI 8371, pages 640 – 647. Springer Berlin / Heidelberg, 2014. (doi: 10.1007/978-3-662-44468-9_60)
• Ubbo Visser. KI und Robotik für das Human Brain Project. KI - Künstliche Intelligenz, 28(4), pages 215 – 320, 2014. (doi:10.1007/s13218-013-0236-5)
• Jia Xu, E. Patrick Shironoshita, Ubbo Visser, Nigel John, and Mansur Kabuka. Optimizing the Most Specific Concept Method for Efficient Instance Checking. In Andrei Broder, Kyuseok Shim, and Torsten Suel, editors, Proceedings of International World Wide Web Conference, pages 405 – 406, Seoul, Korea, 2014. ACM 978-1-4503-2745-9/14/04. (doi: 10.1145/2567948.2577294).
• Jia Xu, Ubbo Visser, and Mansur Kabuka. Converting instance checking to subsumption: A rethink for object queries over practical ontologies. In Carla E. Brodley and Peter Stone, editors, Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence, pages 3142 – 3143. AAAI Press, 2014.
• Alex M. Clark, Barry Bunin, Nadia Litterman, Stephan C. Schürer, and Ubbo Visser. Fast and accurate semantic annotation of bioassays exploiting a hybrid of machine learning and user confirmation. PeerJ, 2(e524):1–23, August 2014. (doi:10.7717/peerj.524)
• Lemmon Vance P., Ferguson Adam R., Popovich Phillip G., Xu Xiao-Ming, Snow Diane M., Igarashi Michihiro, Bixby John L. Beattie Christine E., and the MIASCI Consortium (U. Visser is part of the consortium). Minimum Information about a Spinal Cord Injury Experiment: A Proposed Reporting Standard for Spinal Cord Injury Experiments. Journal of Neurotrauma, 31(15):1354–1361, August 2014. (doi:10.1089/neu.2014.3400)
• Saminda Abeyruwan, Uma Vempati, Hande Kücük, Ubbo Visser, Amar Koleti, Ahsan Mir, Kunie Sakurai, Caty Chung, Joshua Bittker, Paul Clemons, Steve Brudz, Anosha Siripala, Arturo Morales, Martin Romacker, David Twomey, Svetlana Bureeva, Vance Lemmon, and Stephan Schürer. Evolving BioAssay Ontology (BAO): Modularization, Integration and Applications. Journal of Biomedical Semantics, 5(Suppl 1):S5, 1–22, July 2014. ( doi:10.1186/2041-1480-5-S1-S5)
• AV Callahan, K Sakurai, SW Abeyruwan, AR Ferguson, PG Popovich, U Visser, JL Bixby, and VP Lemmon. Minimum Information about a Spinal Cord Injury Experiment (MIASCI): Concepts and integration with the RegenBase Ontology. Journal of Neurotrauma, 31(12):A3–02, A–35, June 2014. Abstract print from 32th Annual National Neurotrauma Symposium. (doi:10.1089/neu.2014.9935.abstracts)
• Vance P. Lemmon, Saminda Abeyruwan, Ubbo Visser, and John L. Bixby. Facilitating transparency in spinal cord injury studies using data standards and ontologies. Neural Regeneration Research, 9(1):6–7, March 2014. (doi:10.4103/1673-5374.125322)

2013

• Saminda Abeyruwan and Andreas Seekircher and Ubbo Visser. Dynamic Role Assignment using General Value Functions. In Sam Devlin and Daniel Hennes and Enda Howley, editor, AAMAS 13 Workshop on Adaptive Learning Agents, Saint Paul, MN, 2013.
• Andreas Seekircher, Justin Stoecker, Saminda Abeyruwan, and Ubbo Visser. Motion capture and contemporary optimization algorithms for robust and stable motions on simulated biped robots. In Xiaoping Chen, Peter Stone, Luis Enrique Sucar, and Tijn Van der Zant, editors, RoboCup 2012: Robot Soccer World Cup XVI, volume 7500, pages 213–224. Springer Berlin / Heidelberg, Mexico City, 2013. (doi: 10.1007/978-3-642-39250-4_20)
• Uma Vempati, Hande Küçük, Saminda Abeyruwan, Ubbo Visser, Vance Lemmon, A Mir, and Stephan Schürer. BioAssay Ontology (BAO): Modularization, Integration and Applications. In 21st International conference on Intelligent Systems for Molecular Biology (ISMB) and 12th European Conference on Computational Biology (ECCB). Bio-Ontologies SIG, 2013.
• Ubbo Visser. AI, Robotics and the Role of ECCAI. KI - Künstliche Intelligenz, 27(4):369–374, 2013. ( doi:10.1007/s13218-013-0278-8)
• Ubbo Visser. Human-centered robotics. KI - Künstliche Intelligenz, 27(2):173–177, 2013. ( doi:10.1007/s13218-013-0236-5)
• Ubbo Visser. Mother tongue?. KI - Künstliche Intelligenz, 27(4):305–307, 2013. (doi:10.1007/s13218-013-0279-7)

2012

• Saminda Abeyruwan, Andreas Seekircher, and Ubbo Visser. Dynamic Role Assignment using General Value Functions. In Sven Behnke, Thomas Röfer, and Ubbo Visser, editors, IEEE RAS Humanoid Robots, HRS workshop, Osaka, Japan, 2012. IEEE.
• Christine Lisetti, Ugan Yasavur, Claudia De Leon, Reza Amini, Napthali Rishe, and Ubbo Visser. Building an On-demand Avatar-based Health Intervention for Behavior Change. In Proceedings of FLAIRS 2012, pages 175–181. AAAI Press, 2012.
• Justin Stoecker and Ubbo Visser. RoboViz: Programmable Visualization for Simulated Soccer. In Thomas Röfer, Norbert Michael Mayer, Jesus Savage, and Uluç Saranli, editors, RoboCup 2011: Robot Soccer World Cup XV, pages 282–293. Springer Berlin / Heidelberg, 2012.
• Ubbo Visser. Question/Answering systems - Interview with Dr. Vinay K. Chaudhri, Program Director, Artificial Intelligence Center, SRI International, Menlo Park, CA, USA. KI - Künstliche Intelligenz, 26(2):191–195, 2012. (doi: 10.1007/s13218-012-0172-9) 
• Uma D Vempati, Magdalena J Przydzial, Saminda Abeyruwan, Kunie Sakurai, Caty Chung, Christopher Mader, Ubbo Visser, Vance P Lemmon, and Stephan C Schürer. Formalization, Annotation and Analysis of Diverse Drug and Probe Screening Assay Datasets using the BioAssay Ontology (BAO). PLoS One, 7(11):e49198, 14 pages, November 2012. (doi:10.1371/journal.pone.0049198)

2011

• Christine L Lisetti, Ugan Yasavur, Ubbo Visser, and Naphtali Rishe. Toward conducting motivational interviewing with an on-demand clinician avatar for tailored health behavior change interventions. In Pervasive Computing Technologies for Healthcare (PervasiveHealth), 2011 5th International Conference on, pages 246–249. IEEE, 2011. (doi: 10.4108/icst.pervasivehealth.2011.246078)
• Andreas Seekircher, Abeyruwan Saminda, and Ubbo Visser. Accurate ball tracking with Extended Kalman Filters as a pre-requisite for a high-level behavior with Reinforcement Learning. In Sven Behnke, Thomas Roefer, and Peter Stone, editors, Humanoids, 2011.
• U Vempati, U. Visser, S Abeyruwan, K. Sakurai, M. Przydzial, C. Chung, R. Smith, A Koleti, C. Mader, V. Lemmon, and S. Schürer. BioAssay Ontology to describe high-throughput screening assays and their results. In Barry Smith, editor, ICBO Proceedings: International Conference on Biomedical Ontology, pages 209–216, 2011.
• Ubbo Visser. TopLeague & Bundesliga Manager - New generation online soccer games. In Eric Chown, Akihiro Matsumoto, Paul Plöger, and Javier Ruiz del Solar, editors, RoboCup 2010: Robot Soccer World Cup XIV, volume 6556 of Lecture Notes in Computer Science, pages 230–241. Springer, 2011. (doi: 10.1007/978-3-642-20217-9_20)
• Ubbo Visser. Interview mit Prof. Kerstin Schill, Professorin an der Universität Bremen. KI - Künstliche Intelligenz, 25(4):347–349, October 2011. (doi:10.1007/s13218-011-0135-6)
• Ubbo Visser. Interview mit Prof. Wolfgang Wahlster, Leiter des DFKI und Professor an der Universität des Saarlandes. KI - Künstliche Intelligenz, 25(4):341–345, October 2011. (doi:10.1007/s13218-011-0136-5)
• Ubbo Visser, Saminda Abeyruwan, Uma Vempati, Robin Smith, Vance Lemmon, and Stephan Schürer. BioAssay Ontology (BAO): A Semantic Description of Bioassays and High-Throughput Screening Results. BMC Bioinformatics, 12(1):257–273, July 2011. (doi:10.1186/1471-2105-12-257)
• Tobias Warden and Ubbo Visser. Real-time spatio-temporal analysis of dynamic scenes. Knowledge and Information Systems, 27(3):1–37, June 2011. (doi:10.1007/s10115-011-0422-4)

2010

• Saminda Abeyruwan, Caty Chung, Nakul Datar, Felimon Gayanilo, Amar Koleti, Vance Lemmon, Christopher Mader, Mitsunori Ogihara, Deepthi Puram, Kunie Sakurai, Robin Smith, Uma Vempati, Sreeharsha Venkatapuram, Ubbo Visser, and Stephan Schürer. BAOSearch: A Semantic Web Application for Biological Screening and Drug Discovery Research. In ISWC: Uncertainty WS, Shanghai, China, 2010.
• Saminda Abeyruwan, Ubbo Visser, Stephan Schuerer, Vance Lemmon, and Stephan Schürer. PrOntoLearn: Using Lexico-Semantic Ontology Generation using Probabilistic Methods. In Fernando Bobillo, Rommel Carvalho, Paulo C G Da Costa, Claudia D'Amato, Nicola Fanizzi, Kathryn B Laskey, Kenneth J Laskey, Thomas Lukasiewicz, Trevor Martin, Matthias Nickles, and Michael Pool, editors, Workshop on Uncertainty Reasoning for the Semantic Web at the 9th International Semantic Web Conference, ISWC 2010, volume 654, pages 25–36, 2010.
• Carsten Rachuy and Ubbo Visser. Behavior-analysis and-prediction for agents in real-time and dynamic adversarial environments. In Proceedings of the European Conference on AI (ECAI), pages 979–980, 2010.
• Ubbo Visser and Christine Lisetti. Avatars in a modern soccer manager. In Wiebe van der Hoek, Gal A. Kaminka, Yves Lespérance, Michael Luck, and Sandip Sen, editors, Proceedings of the ARDE workshop at AAMAS 2010, volume 1, pages 12–20. International Foundation for Autonomous Agents and Multiagent Systems, ACM Digital Library, 2010.
• Ubbo Visser. Interview with Prof. Manuela Veloso, President of the RoboCup Federation and President-Elect of AAAI. KI - Künstliche Intelligenz, 25(1):87–88, October 2010. (doi:10.1007/s13218-010-0068-5)
• Ubbo Visser. KI und Roboter. Künstliche Intelligenz (German AI Journal), 24(3):185–187, August 2010. (doi:10.1007/s13218-010-0048-9)

2009

• Tobias Warden, Andreas Lattner, and Ubbo Visser. Real-time spatio-temporal analysis of dynamic scenes in 3D soccer simulation. In Luca Iocchi, Hitoshi Matsubara, Alfredo Weitzenfeld, and Changjiu Zhou, editors, RoboCup 2008: Robot Soccer World Cup XII, Lecture Notes of Artificial Intelligence. Springer, Heidelberg, 2009. (doi: 10.1007/978-3-642-02921-9_32)

2008

• Frank Dylla, Alexander Ferrein, Gerhard Lakemeyer, Jan Murray, Oliver Obst, Thomas Röfer, Stefan Schiffer, Frieder Stolzenburg, Ubbo Visser, and Thomas Wagner. Approaching a formal soccer theory from the behavior specification in robotic soccer. In Peter Dabnicki and Arnold Baca, editors, Computer Science in Sport, Bioengineering. WIT Press, London, pages 161–185, 2008.
• Ubbo Visser, Fernando Ribeiro, Takahashi Ohashi, and Frank Dellaert. Eds. RoboCup 2007: Robot Soccer World Cup XI, vol. 5001 of Lecture Notes in Artificial Intelligence. Springer Berlin / Heidelberg / New York, 2008. (doi: 10.1007/978-3-540-68847-1)
• Sebastian Hübner and Ubbo Visser. Temporal representation and reasoning for the semantic web. In Chad Lane and David Wilson, editors, 21st international FLAIRS conference, pages 113–114, Coconut Grove, FL, USA, 2008. AAAI Press.

2007

• Steffen Planthaber and Ubbo Visser. Logfile player and analyzer for RoboCup 3D. In Gerhard Lakemeyer, Elizabeth Sklar, Domenico Sorrenti, and Tomoichi Takahashi, editors, RoboCup 2006: Robot Soccer World Cup X, volume 4434 of Lecture Notes in Computer Science, pages 426–433. Springer, Bremen, Germany, 2007. (doi: 10.1007/978-3-540-74024-7_42)
• Ubbo Visser and Hans-Dieter Burkhard. RoboCup 2006: 10 Years of Achievements and Future Challenges. AI Magazine, 28(2):115–130, June/July 2007. (doi:10.1609/aimag.v28i2.2044)

2006

• Andreas Lattner, Andrea Miene, Ubbo Visser, and Otthein Herzog. Sequential pattern mining for situation and behavior prediction in simulated robotic soccer. In Itsuki Noda, Adam Jacoff, Ansgar Bredenfeld, and Yasutake Takahashi, editors, RoboCup 2005: Robot Soccer World Cup IX, volume 4020 of Lecture Notes in Computer Science, pages 118–129. Springer-Verlag, Osaka, Japan, 2006. (doi: 10.1007/11780519_11)
• Hans-Dieter Burkhard, Ubbo Visser, Matthias Jüngel, Ansgar Bredenfeld, and Thomas Christaller. Herausforderung für KI und Robotik. Künstliche Intelligenz (German AI Journal), 20(2):5–11, February 2006.

2005

• Frank Dylla, Alexander Ferrein, Gerhard Lakemeyer, Jan Murray, Oliver Obst, Thomas Röfer, Frieder Stolzenburg, Ubbo Visser, and Thomas Wagner. Towards a league-independent qualitative soccer theory for RoboCup. In Daniele Nardi, Martin Riedmiller, Claude Sammut, and José Santos-Victor, editors, RoboCup 2004: Robot Soccer World Cup VIII, volume 3276 of Lecture Notes in Computer Science, pages 611–618. Springer, Lissabon, Portugal, 2005. (doi: 10.1007/978-3-540-32256-6_58)
• Ubbo Visser. Intelligent Information Integration for the Semantic Web, volume 3159 of Lecture Notes in Artificial Intelligence. Springer, Heidelberg, 1 edition, 2005. (doi: 10.1007/b100348)
• Ubbo Visser, Gerhard Lakemeyer, Manuela Veloso, and George Vachtesevanos. Proceedings of IJCAI-05 Workshop on Agents in Real-Time and Dynamic Environments. IJCAI, 2005.
• Christoph Waldmann, Ubbo Visser, Michael Diepenbroek, and Uwe Schindler. Semantic infrastructure for marine geosensor networks. In Christoph Brox, Antonio Krüger, and Ingo Simonis, editors, Geosensornetzwerke - von der Forschung zur praktischen Anwendung, volume 23, pages 127–133, Münster, 2005. Institut für Geoinformatik, Universität Münster. (doi: hdl:10013/epic.26666)
• Michel Klein and Ubbo Visser. Semantic Web Challenge 2004. Journal of Web Semantics, 3(2–3):209–210, October 2005.

2004

• Frank Dylla, Alexander Ferrein, Gerhard Lakemeyer, Jan Murray, Oliver Obst, Thomas Röfer, Frieder Stolzenburg, Ubbo Visser, and Thomas Wagner. Towards a league-independent qualitative soccer theory for RoboCup. In Hans Utz, Freek Stulp, and Bernhard Nebel, editors, Workshop "Methods and Technology for Empirical Evaluation of Multi-agent Systems and Multi-robot Teams" at KI-2004, Ulm, Germany, 2004. Extended version as Technical report U Koblenz-Landau.
• Andrea Miene, Andreas Lattner, Ubbo Visser, and Otthein Herzog. Dynamic-preserving qualitative motion description for intelligent vehicles. In IEEE Intelligent Vehicles Symposium, pages 642–646, Parma, Italy, 2004. IEEE.
• Andrea Miene, Ubbo Visser, and Otthein Herzog. Recognition and prediction of motion situations based on a qualitative motion description. In Daniel Polani, Brett Browning, Andrea Bonarini, and Kazuo Yoshida, editors, RoboCup 2003: Robot Soccer World Cup VII, volume 3020 of Lecture Notes in Computer Science, pages 77–88. Springer-Verlag, Padua, Italy, 2004. (doi: 10.1007/978-3-540-25940-4_7)
• Ubbo Visser, Hans-Dieter Burkhard, Patrick Doherty, and Gerhard Lakemeyer. Proceedings of ECAI-04 Workshop on Agents in dynamic and real-time environments. European Conference on Artificial Intelligence (ECAI), Valencia, Spain, 2004.
• Thomas Wagner, Ubbo Visser, and Otthein Herzog. Egocentric qualitative spatial knowledge representation for physical robots. In Craig Schlenoff and Mike Uschold, editors, AAAI Spring Symposium, pages 9–16, Stanford, CA, 2004. AAAI Press, Technical Report SS-04-04.
• Thomas Wagner, Ubbo Visser, Andreas Lattner and Otthein Herzog. Qualitative egocentric updating for autonomous mobiles. In: 5th IFAC Symposium on Intelligent Autonomous Vehicles, Lisbon, Portugal, Vol 1, pages 107–112, 2004. Elsevier Science.
• Thomas Wagner, Ubbo Visser, and Otthein Herzog. Egocentric Qualitative Spatial Knowledge Representation for Physical Robots. Robotics and Autonomous Systems, 49(1–2):25–42, November 2004. ( doi:10.1016/j.robot.2004.07.022)
• Ubbo Visser and Patrick Doherty. Issues in designing physical agents for dynamic real-time environments: World modeling, planning, learning, and communicating. AI Magazine, 25(2):137–138, August 2004. (doi:10.1609/aimag.v25i2.1767)
• Sebastian Hübner, Rainer Spittel, Ubbo Visser, and Thomas Vögele. Ontology-Based Search for Interactive Digital Maps. IEEE Intelligent Systems, 19(3):80–86, May 2004. (doi:10.1109/MIS.2004.15)
• Michel Klein and Ubbo Visser. Semantic Web Challenge 2003. IEEE Intelligent Systems, 19(3):31–33, May/June 2004.

2003

• Jens Meyer, Robert Adolph, Daniel Stephan, Andreas Daniel, Matthias Seekamp, Volker Weinert, and Ubbo Visser. Decision-making and tactical behavior with potential fields. In Gal Kaminka, Pedro Lima, and Raul Rojas, editors, Proceedings of the RoboCup-2002: Robot Soccer World Cup VI, volume 2752 of Lecture Notes in Computer Science, pages 304–311. Springer, Fukuoka, Japan, 2003. (doi: 10.1007/978-3-540-45135-8_25)
• Ubbo Visser and Christoph Schlieder. Modeling real estate transactions: the potential role of ontologies. In Heiner Stuckenschmidt, Erik Stubkjaer, and Christoph Schlieder, editors, The Ontology and Modelling of Real Property Transactions, International Land Management Series, chapter 7, pages 113–127. Ashgate Publishing Limited, ISBN 0 7546 3287 3, Aldershot, Hants GU11 3HR, 2003.
• Ubbo Visser and Hans-Georg Weland. Using online learning to analyze the opponents behavior. In Gal Kaminka, Pedro Lima, and Raul Rojas, editors, Proceedings of the RoboCup-2002: Robot Soccer World Cup VI, volume 2752 of Lecture Notes in Computer Science, pages 78–93. Springer Verlag, Fukuoka, Japan, 2003. (doi: 10.1007/978-3-540-45135-8_7)
• Ubbo Visser, Patrick Doherty, Gerhard Lakemeyer, and Manuela Veloso, editors. Proceedings of IJCAI-03 Workshop on Issues in Designing Physical Agents for Dynamic Real-Time Environments: World modelling, planning, learning, and communicating. Website to workshop, Acapulco, Mexico, 2003.
• Thomas Vögele, Christoph Schlieder, and Ubbo Visser. Intuitive modelling of place name regions for spatial information retrieval. In Spatial Information Theory: Foundations of Geographic Information Science (COSIT), LNCS 2825, pages 239–252, Ittingen, Switzerland, 2003. Springer. (doi: 10.1007/978-3-540-39923-0_16)
• Thomas Vögele, Rainer Spittel, Ubbo Visser, and Sebastian Hübner. GeoShare – building a transnational geodata infrastructure for the North Sea region. In Lars Bernard, Adam Sliwinski, and Kristian Senkler, editors, Geodaten- und Geodienste-Infrastrukturen - von der Forschung zur praktischen Anwendung, volume 18 of IFGI prints, pages 1–15, Münster, Germany, 2003. IFGI Press.
• Thomas Wagner, Christoph Schlieder, and Ubbo Visser. An extended panorama: Efficient qualitative spatial knowledge representation for highly dynamic environments. In Ubbo Visser, Patrick Doherty, Gerhard Lakemeyer, and Manuela Veloso, editors, IJCAI-03 Workshop on Issues in Designing Physical Agents for Dynamic Real-Time Environments: World modelling, planning, learning, and communicating, pages 109–115, Acapulco, Mexico, 2003. AAAI Press.
• Lars Bernard, Sören Haubrock, Sebastian Hübner, Rolf Lessing, Michael Lutz, and Ubbo Visser. Ontologies for Intelligent Search and Semantic Translation in Spatial Data Infrastructures. Photogrammetrie - Fernerkundung - Geoinformation (PFG), 10(6):451–461, November 2003. (doi:pub/pfg/arc.html)

2002

• Ubbo Visser and Gerhard Schuster. Finding and integration of information - a practical solution for the Semantic Web -. In Jérôme Euzénat, Asuncion Gomez-Perez, Nicola Guarino, and Heiner Stuckenschmidt, editors, ECAI 02, Workshop on Ontologies and Semantic Interoperability, pages 73–78, Lyon, France, 2002. ECCAI.
• Ubbo Visser, Heiner Stuckenschmidt, and Christoph Schlieder. Interoperability in GIS - enabling technologies. In Maurici Ruiz, Michael Gould, and Jerònica Ramon, editors, 5th AGILE Conference on Geographic Information Science, pages 291–297, Palma de Mallorca, Spain, 2002. Universitat de les Illes Balears.
• Ubbo Visser, Thomas Vögele, and Christoph Schlieder. Spatio-terminological information retrieval using the BUSTER system. In Werner Pillmann and Klaus Tochtermann, editors, EnviroInfo, volume 1 of Environmental Communication in the Information Society, pages 93–100, Vienna, 2002. Berger Druck, Horn, Austria.
• Holger Wache, Ubbo Visser, and Thorsten Scholz. Ontology construction - an iterative and dynamic task. In Susan Haller and Gene Simmons, editors, Florida Artificial Intelligence Research Society Conference (FLAIRS), pages 445–449, Pensacola, FL, USA, 2002. AAAI press.
• Ubbo Visser, Heiner Stuckenschmidt, Christoph Schlieder, Holger Wache, and Ingo Timm. Terminology Integration for the Management of Distributed Information Resources. Künstliche Intelligenz (KI), Special Issue Knowledge Management, 16(1):31–34, February 2002.
• Ubbo Visser, Heiner Stuckenschmidt, Gerhard Schuster, and Thomas Vögele. Ontologies for Geographic Information Processing. Computers & Geosciences, 28(1):103–117, February 2002. (doi:10.1016/S0098-3004(01)00019-X)

2001

• Holger Neumann, Gerhard Schuster, Heiner Stuckenschmidt, Ubbo Visser, and Thomas Vögele. Intelligent brokering of environmental information with the BUSTER system. In Lorenz M. Hilty and Paul W. Gilgen, editors, International Symposium Informatics for Environmental Protection, volume 30 of Umwelt-Informatik Aktuell, pages 505–512, Zürich, Switzerland, 2001. Metropolis.
• Christoph Schlieder, Thomas Vögele, and Ubbo Visser. Qualitative spatial representation for information retrieval by gazetteers. In Conference of Spatial Information Theory COSIT, volume 2205 of Spatial Information Theory: Foundations of Geographic Information Science, pages 336–351, Morrow Bay, CA, 2001. Springer.
• Heiner Stuckenschmidt, Christoph Schlieder, Ubbo Visser, Thomas Vögele, and Holger Neumann. Spatial reasoning for information brokering. In Ingrid Russell and John Kolen, editors, Florida Artificial Intelligence Research Society Conference (FLAIRS), pages 568 – 573, Key West, FL, 2001. AAAI Press.
• Heiner Stuckenschmidt, Thomas Vögele, Ubbo Visser, and Ryco Meyer. Intelligent brokering of environmental information with the BUSTER system. In In: Information Age Economy: Proceedings of the 5th International Conference 'Wirtschaftsinformatik', pages 759–771, Ulm, Germany, 2001. Physica-Verlag. (doi: 10.1007/978-3-642-57547-1_67)
• Ubbo Visser, Christian Drücker, Sebastian Hübner, Esko Schmidt, and Hans-Georg Weland. Recognizing formations in opponent teams. In Peter Stone, Tucker Balch, and Gerhard Kraetschmar, editors, RoboCup 2000, Robot Soccer World Cup IV, volume 2019 of Lecture Notes in Computer Science, pages 391 – 396. Springer-Verlag, Melbourne, Australia, 2001. (doi: 10.1007/3-540-45324-5_44)
• Ubbo Visser, Heiner Stuckenschmidt, Holger Wache, and Thomas Vögele. Using environmental information efficiently: Sharing data and knowledge from heterogeneous sources. In Claus Rautenstrauch and Susanne Patig, editors, Environmental Information Systems in Industry and Public Administration, pages 41–73. IDEA Group, Hershey, USA & London, UK, 2001.
• Holger Wache, Thomas Vögele, Ubbo Visser, Heiner Stuckenschmidt, Gerhard Schuster, Holger Neumann, and Sebastian Hübner. Ontology-based integration of information - a survey of existing approaches. In Asuncion Gómez Pérez, Michael Grüninger, Heiner Stuckenschmidt, and Mike Uschold, editors, IJCAI-01 Workshop: Ontologies and Information Sharing, pages 108–117, Seattle, WA, 2001.

2000

• Heiner Stuckenschmidt and Ubbo Visser. Semantic translation based on approximate re-classification. In Workshop on Semantic Approximation, Granularity and Vagueness; International Conference on Principles of Knowledge Representation and Reasoning, pages 110–118, Breckenridge, 2000.
• Heiner Stuckenschmidt, Holger Wache, Thomas Vögele, and Ubbo Visser. Enabling technologies for interoperability. In Ubbo Visser and Hardy Pundt, editors, Workshop on Information Sharing: Methods and Applications at the 14th International Symposium of Computer Science for Environmental Protection, volume 20, pages 35–46, Bonn, 2000. TZI.
• Thomas Vögele, Heiner Stuckenschmidt, and Ubbo Visser. BUISY- using brokered data-objects for environmental information systems. In Klaus Tochtermann and Wolf-Fritz Rieckert, editors, Hypermedia im Umweltschutz, volume 24 of Umwelt-Informatik aktuell, pages 68–73, Ulm, Germany, 2000. Metropolis-Verlag.
• Thomas Vögele, Heiner Stuckenschmidt, and Ubbo Visser. Towards intelligent brokering of geoinformation. In Urban and Rural Data Management (UDMS), pages 135–142, Delft, 2000. Electronic.

1999

• Klaus Brinkkötter-Runde and Ubbo Visser. Wearable computing, wireless communication and knowledge discovery for mobile data and analysis. In International Workshop on Mobile Mapping Technology, L. Rongxing and M. Shunji, Eds., ISPRS, pages 123–131, Bangkok, Thailand, 1999.
• Heiner Stuckenschmidt, Ubbo Visser, Gerhard Schuster, and Thomas Vögele. Ontologies for geographic information integration. In Ubbo Visser and Hardy Pundt, editors, Workshop "Intelligent Methods in Environmental Protection: Special Aspects of Processing in Space and Time", 13. International Symposium of Computer Science for Environmental Protection (CSEP '99), volume 5 of Research reports of the Department of Mathematics and Computer Science, University of Bremen, pages 81–107. University of Bremen, 1999.
• Ubbo Visser and Hardy Pundt. Workshop Proceedings: Intelligent methods in environmental protection: Special aspects of processing in space and time. In 13. International Symposium of Computer Science for Environmental Protection, volume 5 of Forschungsberichte des Studiengangs Informatik/Mathematik der Univeristät Bremen, page 126, Magdeburg, Germany, 1999. Technical Report, University of Bremen.

1998

• Rainer Conrad and Ubbo Visser. Das Konzept und die Technologien des Internet-basierten Bremer Umweltinformationssystems. In Umweltinformatik, Proceedings of the Workshop Hypermedia im Umweltschutz, pages 132–142, Marburg, 1998. Metropolis-Verlag.
• Ubbo Visser, Richie Nayak, and Man To Wong. Rule extraction from trained neural networks and connectionist knowledge representation for the determination of pesticide mixtures. In Tom Downes, editor, Connectionist Systems for Knowledge Representation and Deduction, Proceedings of the Australian Conference of Neural Networks (ACNN 98), pages 138–142, Brisbane, 1998. University of Queensland Press.

1997

• Ubbo Visser and Karsten Hell. PRO_PLANT - Information System - Canola Pests. In B. Verma and X. Yao, editors, ICCIMA '97, Proceedings of the International Conference on Computational Intelligence and Multimedia Applications, pages 59–64, Gold Coast, Australia, 1997. Watson Ferguson & Company (Griffith University).

1996

• Ubbo Visser, Alan Tickle, Ross Hayward, and Robert Andrews. Rule-extraction from trained neural networks: Different techniques for the determination of herbicides for the plant protection advisory system PRO_PLANT. In Joachim Diederich and Robert Andrews, editors, Rules and Networks, Proceedings of the Rule Extraction From Trained Artificial Neural Networks Workshop, Brighton, UK, pages 133–139. QUT, Society for the Study of Artificial Intelligence and Simulation of Behavior, Brisbane, 1996.

1995

• Ubbo Visser, Emanoil Pop, Ross Hayward, and Joachim Diederich. Regelextraktion aus neuronalen Netzen am Beispiel der Ermittlung von Herbiziden im Pflanzenschutz - Beratungsystem PRO_PLANT. In H. Kremers and W. Pillmann, editors, Space and Time in Environmental Information System, Umwelt-Informatik aktuell, pages 694–701, Berlin, 1995. Metropolis Verlag, Marburg GI–Informatik im Umweltschutz.
• Ubbo Visser. Development and application of neural networks within the framework of the rule-based plant protection advisory system PRO_PLANT. PhD-Thesis, Faculty of Mathematics and Natural Science, Westfälische Wilhelms-Universität Münster, 1995. 158 pages. Please note: Thesis is written in German. Original title: Entwicklung und Anwendung neuronaler Netze im Rahmen des Pflanzenschutz-Beratungssystems PRO_PLANT.

1994

• Ubbo Visser, Uwe Voges, and Ulrich Streit. Integration of AI-, Database- and Telecommunication-Techniques for the Plant Protection Expert System PRO_PLANT. In D.F. Anger, R.V. Rodriguez, and M. Ali, editors, Industrial and Engineering Applications of Artificial Intelligence and Expert Systems, volume 7 of International Conference of IEA/AIE, pages 367–374, San Antonio, 1994. Gordon and Breach Science Publishers.

1993

• Uwe Voges, Ubbo Visser, Andreas Johnen, and Karsten Hell. PRO_PLANT - Pflanzenschutz mit Hilfe eines Expertensystems. In Otthein Herzog, Thomas Christaller, and Schmitt, editors, 17. Fachtagung für künstliche Intelligenz, Grundlagen und Anwendungen der KI, pages 350–362, Stuttgart, 1993. (doi: 10.1007/978-3-642-78545-0_33) 
• Ubbo Visser, Uwe Voges, Karoline Epke, Rupert Pfeiffer, and Ulrich Streit. Umweltschonender Pflanzenschutz mit Hilfe des Expertensystems PRO_PLANT. Künstliche Intelligenz (KI), 93(3):34 –43, September 1993.

1991

• Ubbo Visser and Ulrich Streit. Möglichkeiten zur Einbindung neuronaler Netze am Beispiel des Beratungssystems PRO_PLANT. In R. Ackmann, B. Petersen, and H. Geidel, editors, Referate der 13. GIL-Jahrestagung, volume 3 of Berichte der Gesellschaft für Informatik in der Land-, Forst- und Ernährungswirtschaft, pages 32–36, Giessen, 1991. Ulmer Verlag.