Prof. Dr. Thomas Keller

Work at ZHAW

Teaching

• MSc Information Systems
• BSc Information Systems

Education and Continuing education

Education

• phd / Information Systems
  University of Zurich
  08 / 2004 - 10 / 2008
• MSc / Information Systems
  University of Zurich
  08 / 1998 - 07 / 2002
• Certificate / Electrical Engineering
  ETH
  08 / 1996 - 07 / 1998
• MSc / Electrical Engineering
  ETHZ
  08 / 1988 - 07 / 1993

Network

ORCID digital identifier

ORCID ID: 0000-0002-8100-6900

Projects

• Multikom XR – Exploratory study on AI-supported analysis of professional communication in XR / Team member / ongoing
• Science Fiction Prototyping: Human-AI Futures / Co-project leader / completed
• New Paradigm for AI-supported Requirments Engineering / Co-project leader / completed
• Technology-supported stress management training for professionals in the nursing profession / Deputy project leader / completed
• Experience the Consequences of Affective Computing - Immersive Science Fiction Prototyping for Responsible Innovation / Co-project leader / completed
• VR for Children with Special Needs / Project leader / completed
• Smart Hospital – Integrated Framework, Tools & Solutions / Team member / completed
• Distance Interaction beyond Zoom / Team member / completed
• Non-verbal Communication in immersive Virtual Reality / Project leader / completed
• Design Criteria for Communicating with Avatars and Smart Agents / Project leader / completed
• Passing and Passing on in the digital world / Deputy project leader / completed

Publications

Articles in scientific journal, peer-reviewed

• Drmic, F., Kim, M. and Keller, T. (2026) 'Psychosocial predictors of AI chatbot risk among Swiss apprentices', IADIS International Journal on Computer Science and Information Systems, 21(1), pp. 69–83. doi: 10.33965/ijcsis_2026210105.
• Keller, T. and Sieber, M. (2026) 'Generative AI in academic research : uses, opportunities, risks, and governance', IIAI Letters on Institutional Research, 6(LIR535). doi: 10.52731/lir.v006.535.
• Kraus, K. et al. (2025) 'VR-based workplace training and spaces of learning : a social space study of VR training for apprentice electricians', International Journal for Research in Vocational Education and Training, 12(2), pp. 151–173. doi: 10.13152/IJRVET.12.2.1.
• Moser, M., Gomringer, S. and Keller, T. (2024) 'Empowering adolescents in family transitions : a digital media strategy', IADIS International Journal on WWW/Internet, 22(1), pp. 14–28. doi: 10.33965/ijwi_2024220102.
• Keller, T., Brucker-Kley, E. and Schwammel, P. (2024) 'A case study of an immersive learning unit for German as a second language', Discover Education, 3(28). doi: 10.1007/s44217-024-00106-w.
• Keller, T. et al. (2023) 'The challenges, potentials and experiences of virtual reality learning units', IADIS International Journal on WWW/Internet, 21(1), pp. 1–17. Available at: https://www.iadisportal.org/ijwi/papers/202321101.pdf.
• Keller, T., Brucker-Kley, E. and Stalder, P. (2023) 'Librarians' perceptions of emerging technologies', IADIS International Journal on Computer Science and Information Systems, 18(1), pp. 61–79. doi: 10.33965/ijcsis_2023180105.
• Brucker-Kley, E. et al. (2021) 'Identifying research gaps : a review of virtual patient education and self-management', Technology and Health Care, 29(6), pp. 1–1057–13–1069. doi: 10.3233/THC-202665.
• Keller, T. and Savarimuthu, B. T. R. (2017) 'Facilitating enhanced decision support using a social norms approach', Journal of Electronic Commerce in Organizations, 15(2). doi: 10.4018/JECO.2017040101.
• Scheppler, B., Pedron, C. and Keller, T. (2015) 'Wirkungsanalyse von Bauvorhaben auf Gemeindefinanzen', Jahrbuch der Schweizerischen Verwaltungswissenschaften, pp. 125–143. doi: 10.21256/zhaw-4683.
• Keller, T. (2012) 'The benefits of cooperation between industry and universities', Central European Business Review, 1(2), p. 58. Available at: https://cebr.vse.cz/pdfs/cbr/2012/02/12.pdf.

Books, peer-reviewed

• Brucker-Kley, E., Keller, T. and Kykalova, D. (2018) Kundennutzen durch digitale Transformation : Business-Process-Management-Studie – Status quo und Erfolgsmuster. 1. Auflage. Berlin: Springer. doi: 10.1007/978-3-662-55707-5.
• Brucker-Kley, E. et al. (2013) Sterben und Erben in der digitalen Welt. Zürich: ZHAW Zürcher Hochschule für Angewandte Wissenschaften.
• Keller, T. (2008) Nutzenpotential flexibler Prozesse. Doctoral dissertation. Universität Zürich.

Book chapters, peer-reviewed

• Brucker-Kley, E. et al. (2026) 'Virtuelle Realität und dialogorientierte Künstliche Intelligenz : Innovationen in der Patientenedukation bei chronischen Krankheiten', in D'Onofrio, S. and Russ, C. (eds) Digital HealthTech : Grundlagen, Trends und Wirtschaftlichkeit, Technik und Innovation, Verantwortung. Wiesbaden: Springer, pp. 497–519. doi: 10.1007/978-3-658-51795-3_22.
• Keller, T., Hilber, F. and Brucker-Kley, E. (2024) 'Impacts of an engaging and multifaceted future narrative : immersive science-fiction prototyping', in Isaias, P., Sampson, D. G., and Ifenthaler, D. (eds) Artificial intelligence for supporting human cognition and exploratory learning in the digital age. Cham: Springer, pp. 161–177. doi: 10.1007/978-3-031-66462-5_9.
• Keller, T. and Brucker-Kley, E. (2021) 'Experiences with virtual reality at secondary schools : is there an impact on learning success?', in Ifenthaler, D., Sampson, D. G., and Isaías, P. (eds) Balancing the Tension between Digital Technologies and Learning Sciences. Cham: Springer, pp. 77–94. doi: 10.1007/978-3-030-65657-7_5.
• Brucker-Kley, E. and Keller, T. (2020) 'Beyond digitalization : "My boss is artificial"', in Matos, F. et al. (eds) Knowledge, People, and Digital Transformation : Approaches for a Sustainable Future. Cham: Springer, pp. 37–54. doi: 10.1007/978-3-030-40390-4_4.
• Keller, T., Brucker-Kley, E. and Ebert, N. (2020) 'The use of virtual reality at lower secondary schools', in Isaias, P., Sampson, D. G., and Ifenthaler, D. (eds) Technology Supported Innovations in School Education. Cham: Springer, pp. 15–32. doi: 10.1007/978-3-030-48194-0_2.
• Brucker-Kley, E., Keller, T. and Kykalova, D. (2018) 'Fazit : Prozessmanagement als Gestaltungshebel der digitalen Transformation?', in Brucker-Kley, E., Kykalova, D., and Keller, T. (eds) Kundennutzen durch digitale Transformation : Business-Process-Management-Studie – Status quo und Erfolgsmuster. Berlin: Springer, pp. 127–135. doi: 10.1007/978-3-662-55707-5_9.
• Brucker-Kley, E., Kykalova, D. and Keller, T. (2018) '«Erfolgsmuster: Kundennutzen durch digitale Transformation?» : Einleitung zu den Fallstudien', in Brucker-Kley, E., Kykalova, D., and Keller, T. (eds) Kundennutzen durch digitale Transformation : Business-Process-Management-Studie – Status quo und Erfolgsmuster. Berlin: Springer, pp. 47–49. doi: 10.1007/978-3-662-55707-5_3.
• Brucker-Kley, E., Keller, T. and Kykalova, D. (2018) 'Prozessmanagement als Gestaltungshebel der digitalen Transformation?', in Kundennutzen durch digitale Transformation : Business-Process-Management-Studie – Status quo und Erfolgsmuster. Berlin: Springer, pp. 3–17. doi: 10.1007/978-3-662-55707-5_1.
• Brucker-Kley, E., Kykalova, D. and Keller, T. (2018) '«Prozessintelligenz» : Gegenstand und Ziele der Studie', in Brucker-Kley, E., Kykalova, D., and Keller, T. (eds) Prozessintelligenz. Berlin: Springer, pp. 3–13. doi: 10.1007/978-3-662-55705-1_1.
• Schneider, M., Klauser, P. and Keller, T. (2018) 'Fallstudie Vontobel : «Digitalisiertes Service Management schafft Kundennutzen»', in Brucker-Kley, E. and Kykalova, D. (eds) Kundennutzen durch digitale Transformation : Business-Process-Management-Studie – Status quo und Erfolgsmuster. Berlin: Springer, pp. 99–109. doi: 10.1007/978-3-662-55707-5_7.
• Brucker-Kley, E., Kykalova, D. and Keller, T. (2018) 'Fazit', in Brucker-Kley, E., Kykalova, D., and Keller, T. (eds) Prozessintelligenz. Berlin: Springer, pp. 101–107. doi: 10.1007/978-3-662-55705-1_9.
• Brucker-Kley, E. (2018) 'Erfolgsmuster «Prozessintelligenz» : Einleitung zu den Fallstudien', in Brucker-Kley, E., Kykalova, D., and Keller, T. (eds) Prozessintelligenz. Berlin: Springer, pp. 17–19. doi: 10.1007/978-3-662-55705-1_2.
• Keller, T. and Pedron, C. (2017) 'Immobilienmanagement', in Kammer Unabhängiger Bauherrenberater KUB et al. (eds) Immobilienmanagement : Handbuch für Immobilienentwicklung, Bauherrenberatung. Immobilienbewirtschaftung. Zürich: Schulthess, pp. 76–81.

Written conference contributions, peer-reviewed

• Brucker-Kley, E. et al. (2026) 'Virtual reality and dialogue-oriented artificial intelligence : innovations in patient education for chronic diseases', in Smith, B. K. and Borge, M. (eds). Cham: Springer, pp. 411–430. doi: 10.1007/978-3-032-30542-8_26.
• Fraedrich, K., Keller, T. and Kumschick, I. R. (2026) 'Real-time classroom simulation with generative AI : an immersive environment for teacher emotion-regulation training', in Smith, B. K. and Borge, M. (eds) Learning and Collaboration Technologies. HCII 2026. Cham: Springer, pp. 431–448. doi: 10.1007/978-3-032-30542-8_27.
• Moser, M., Scherer, C. and Keller, T. (2026) 'Evaluating visual realism and biofeedback metaphors for VR-based breathing exercises', in Chen, J. Y. C. and Fragomeni, G. (eds). Cham: Springer, pp. 325–340. doi: 10.1007/978-3-032-31421-5_21.
• Koller, T. and Keller, T. (2026) 'Speech-to-3D in real time : a toolchain for generating and integrating 3D objects at runtime in a VR application', in Chen, J. Y. C. and Fragomeni, G. (eds). Cham: Springer, pp. 92–106. doi: 10.1007/978-3-032-31421-5_6.
• Sieber, M., Keller, T. and Brucker-Kley, E. (2026) 'From tools to teammates : exploring the role of AI machines in human-AI collaboration', in Degen, H. and Ntoa, S. (eds). Cham: Springer, pp. 380–391. doi: 10.1007/978-3-032-30846-7_24.
• Moser, M. and Keller, T. (2026) 'A theoretical reasoning about trust in AI generated agents for deceased individuals', in Degen, H. and Ntoa, S. (eds). Cham: Springer, pp. 510–527. doi: 10.1007/978-3-032-30846-7_33.
• Keller, T., Moser, M. and Scherer, C. (2026) 'The unkillable deathbot', in Yen, C. C. et al. (eds) Companion Publication of the 2026 ACM Designing Interactive Systems Conference. New York, NY, USA: ACM, pp. 190–193. doi: 10.1145/3802974.3809414.
• Moser, M., Pasupathipillai, A. and Keller, T. (2026) 'Exploring personalized virtual companions for therapy adherence : a persona-driven design approach', in Procedia Computer Science. Elsevier, pp. 1137–1144. doi: 10.1016/j.procs.2026.03.093.
• Fraedrich, K., Moser, M. and Keller, T. (2026) 'Work-in-progress : stress resilience simulator for healthcare assistants', in Baptista Nunes, M. et al. (eds) Proceedings of the International Conferences IADIS Information Systems 2026 and e-Society 2026. IADIS, pp. 521–526.
• Keller, T. and Brucker-Kley, E. (2025) 'The evolution of interaction concepts in XR in the era of AI : from procedural interactions to socially demanding conversations', in 8th Congress on Research in VET, Lausanne, Switzerland, 3-5 September 2025. SFUVET.
• Keller, T. and Buchner, J. (2025) 'Immersive virtual and augmented reality in inclusive sports lectures', in Antona, M. and Stephanidis, C. (eds) Universal Access in Human-Computer Interaction. Cham: Springer, pp. 34–45. doi: 10.1007/978-3-031-93851-1_4.
• Bolliger, K., Keller, T. and Massie, B. (2025) 'A French foreign language lesson for children with German as a second language in virtual reality : a case study', in Smith, B. K. and Borge, M. (eds) Learning and Collaboration Technologies. Cham: Springer, pp. 122–135. doi: 10.1007/978-3-031-93746-0_10.
• Moser, M. and Keller, T. (2025) 'Increasing therapy adherence through emotionalization', in Nunes, M. B. et al. (eds) Proceedings of the International Conferences IADIS Information Systems 2025 and e-Society 2025. IADIS, pp. 522–526.
• Keller, T., Miceli, D. and Illenberger, A. (2025) 'Power wheelchair virtual reality simulator', in Nunes, M. B. et al. (eds) Proceedings of the International Conferences IADIS Information Systems 2025 and e-Society 2025. IADIS, pp. 291–298.
• Brucker-Kley, E. et al. (2024) 'Friendship with AI? : Immersive Science Fiction Prototyping for responsible innovation', in Murray, J. T. and Reyes, M. C. (eds) Interactive Storytelling. Cham: Springer, pp. 15–31. doi: 10.1007/978-3-031-78450-7_2.
• Brucker-Kley, E. et al. (2024) 'Virtual reality and conversational AI for complementing patient education in chronic disease management', in De Paolis, L. T., Arpaia, P., and Sacco, M. (eds) Extended Reality Proceedings, Part II. Cham: Springer, pp. 325–333. doi: 10.1007/978-3-031-71704-8_27.
• Keller, T., Gämperli, M. and Brucker-Kley, E. (2024) 'Proof-of-Work explained in VR : a case study', in De Paolis, L. T., Arpaia, P., and Sacco, M. (eds) Extended Reality. Cham: Springer, pp. 114–129. doi: 10.1007/978-3-031-71707-9_7.
• Borghoff, B., Brucker-Kley, E. and Keller, T. (2024) 'Designing and analyzing adolescent discourses on friendship with AI using Science Fiction Prototyping', in The 24th dmi: Academic Design Management Conference Proceedings. Cambridge: Design Management Institute, pp. 992–1010. Available at: https://www.dmi.org/page/ADMC2024Proceedings.
• Scherer, C. et al. (2024) 'Exergames for children with special needs', in Antona, M. and Stephanidis, C. (eds) Universal Access in Human-Computer Interaction. Cham: Springer, pp. 275–289. doi: 10.1007/978-3-031-60884-1_19.
• Moser, M., Gomringer, S. and Keller, T. (2024) 'Media design for adolescents in separation and divorce situations', in 22nd International Conference e-Society and Mobile Learning, Porto, Portugal, 9-11 March 2024.
• Keller, T. et al. (2023) 'Preliminary findings about an office chair as a low-threshold treadmill substitute', in Universal Access in Human-Computer Interaction. Cham: Springer, pp. 17–28. doi: 10.1007/978-3-031-35897-5_2.
• Keller, T., Wang, D. and Brucker-Kley, E. (2023) 'Agents and trust in the metaverse', in Miranda, P. and Isaías, P. (eds) Proceedings of the International Conferences Applied Computing & WWW/Internet 2023. IADIS, pp. 31–38.
• Brucker-Kley, E., Keller, S. and Keller, T. (2023) 'Attitudes of librarians towards emerging technologies : effects of a multilinear scenario', in Proceedings of the International Conferences e-Society and Mobile Learning 2023. IADIS, pp. 85–94. Available at: https://www.iadisportal.org/digital-library/attitudes-of-librarians-towards-emerging-technologies-effects-of-a-multilinear-scenario.
• Brucker-Kley, E. et al. (2023) 'Evaluating user experience and effectiveness of an immersive virtual learning environment', in 2023 14th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI). IEEE, pp. 234–240. doi: 10.1109/IIAI-AAI59060.2023.00055.
• Hilber, F., Keller, T. and Brucker-Kley, E. (2023) 'Effects of an immersive, multilinear future scenario for education purposes', in Sampson, D. G., Ifenthaler, D., and Isaías, P. (eds) Proceedings of the International Conference on Cognition and Exploratory Learning in the Digital Age 2023. IADIS, pp. 257–264.
• Seiler, R., Fankhauser, D. and Keller, T. (2022) 'Reducing food waste with virtual reality (VR) training : a prototype and A/B-test in an online experiment', in Kommers, P., Arnedillo Sánchez, I., and Isaías, P. (eds) Proceedings of the International Conferences on e-Society 2022 and Mobile Learning 2022. IADIS, pp. 179–186.
• Seiler, R., Brodmann, T. and Keller, T. (2022) 'Trust and cybersickness in VR-marketing : investigating IPD and cybersickness, and their effects on trust, customer value, NPS, cross- and up-selling', in Kommers, P., Arnedillo Sánchez, I., and Isaías, P. (eds) Proceedings of the International Conferences on e-Society 2022 and Mobile Learning 2022. IADIS, pp. 99–106.
• Brunner, F., Keller, T. and Brucker-Kley, E. (2022) 'Assessment of innovation readiness and technology acceptance using immersive sci-fi prototyping', in European Conference on the Impact of Artificial Intelligence and Robotics Conference Proceedings. Academic Conferences International, pp. 154–161. doi: 10.34190/eciair.4.1.727.
• Nechita, T. et al. (2022) 'Work-in-progress : virtual reality for basic vocational training', in Dengel, A. et al. (eds) Proceedings of the 8th International Conference of the Immersive Learning Research Network (iLRN). IEEE. doi: 10.23919/iLRN55037.2022.9815980.
• Keller, T., Curcio, R. and Brucker-Kley, E. (2022) 'The value of virtual reality as a complementary tool for learning success', in Sampson, D. G., Ifenthaler, D., and Isaías, P. (eds) Proceedings of the 19th International Conference on Cognition and Exploratory Learning in Digital Age (CELDA 2022). IADIS, pp. 339–344. Available at: https://files.eric.ed.gov/fulltext/ED626907.pdf.
• Bosse, I. K., Haffner, M. and Keller, T. (2022) 'Virtual reality for children with special needs', in Petz, A., Hoogerwerf, E.-J., and Mavrou, K. (eds) ICCHP-AAATE 2022 Open Access Compendium 'Assistive Technology, Accessibility and (e)Inclusion' Part I. Linz: Association ICCHP. doi: 10.35011/icchp-aaate22-p1-09.
• Bjelic, D. and Keller, T. (2021) 'Preliminary findings of a virtual reality app for children with special needs', in Sampson, D. G., Ifenthaler, D., and Isaías, P. (eds) Proceedings of the 18th international conference on cognition and exploratory learning in the digital age (CELDA 2021). IADIS, pp. 350–354.
• Brucker-Kley, E., Keller, T. and Stumpp, R. (2021) 'Experiencing smart farming : effects of an interactive future scenario', in Caron, B. et al. (eds) 2021 IEEE International Symposium on Technology and Society (ISTAS). IEEE, pp. 1–7. doi: 10.1109/ISTAS52410.2021.9629136.
• Näf, M., Keller, T. and Seiler, R. (2021) 'Proposal of a methodology for the sustainability assessment of cryptocurrencies', in Proceedings of the 54th Hawaii International Conference on System Sciences. Honolulu: University of Hawai'i at Manoa, pp. 5617–5626. doi: 10.24251/HICSS.2021.682.
• Keller, T. et al. (2021) 'Eliciting personal attitude changes on friendship based on a multilinear narrative', in Matos, F., Salavisa, I., and Serrão, C. (eds) Proceedings of the 3rd European Conference on the Impact of Artificial Intelligence and Robotics. Reading: Academic Conferences International, pp. 64–73. doi: 10.34190/EAIR.21.014.
• Chiellino, C. and Keller, T. (2021) 'Happy ageing with or without technology? : a case study', in Kommers, P. and Isaías, P. (eds) Proceedings of the 19th International Conference e-Society 2021. IADIS, pp. 37–44.
• Oberle, J., Brucker-Kley, E. and Keller, T. (2021) 'Narrative scenarios for a humanistic approach to technology critique : a case study', in Information Engineering Express. Tokyo: International Institute of Applied Informatics, pp. 85–95. doi: 10.52731/iee.v7.i2.682.
• Brucker-Kley, E., Keller, T. and Christen, J. (2021) 'Immersive SciFi prototyping for responsible innovation : a humanistic approach to technological change', in 2021 10th International Congress on Advanced Applied Informatics (IIAI-AAI). IEEE, pp. 818–821. doi: 10.1109/iiai-aai53430.2021.00143.
• Brunner, M., Brucker-Kley, E. and Keller, T. (2020) 'Eliciting personal attitude changes on predictive policing based on a multilinear narrative', in Matos, F. (ed.) Proceedings of the 2nd European Conference on the Impact of Artificial Intelligence and Robotics. Reading: Academic Conferences International, pp. 21–29.
• Keller, T. and Brucker-Kley, E. (2020) 'Design hints for smart agents as teachers in virtual learning spaces', in Kommers, P., Bontchev, B., and Isaias, P. (eds) Proceedings of the 18th International Conference e-Society 2020. IADIS, pp. 111–118.
• Keller, T., Brucker-Kley, E. and Wyder, C. (2020) 'Virtual reality and its impact on learning success', in Sánchez, I. A., Isaias, P., and Bontchev, B. (eds) Proceedings of the 16th International Conference Mobile Learning 2020. IADIS, pp. 78–86. Available at: http://www.iadisportal.org/digital-library/virtual-reality-and-its-impact-on-learning-success.
• Keller, T., Rüttimann, M. and Darvishy, A. (2019) 'Mobility and visual impairment', in Kommers, P. et al. (eds) 17th International Conference e-Society Proceedings 2019. IADIS, pp. 151–158. doi: 10.33965/es2019_201904L019.
• Brucker-Kley, E. and Keller, T. (2019) 'Exploring the potential of immersive narrative scenarios to identify design criteria for our digital future(s)', in Guerrero, J. (ed.) 2019 8th International Congress on Advanced Applied Informatics (IIAI-AAI) Proceedings. IEEE, pp. 499–504. doi: 10.1109/IIAI-AAI.2019.00108.
• Keller, T., Hagen, F. and Brucker-Kley, E. (2019) 'A field study about the impact of a VR learning unit', in Sampson, D. G. et al. (eds) Proceedings CELDA 2019 16th international conference cognition and exploratory learning in digital age. IADIS, pp. 307–314. Available at: http://www.iadisportal.org/digital-library/a-field-study-about-the-impact-of-a-vr-learning-unit.
• Wagner, K., Keller, T. and Seiler, R. (2019) 'A comparative analysis of cryptocurrency consensus algorithms', in Weghorn, H. (ed.) Proceedings of the 16th international conference applied computing. IADIS, pp. 217–225. Available at: http://www.iadisportal.org/digital-library/a-comparative-analysis-of-cryptocurrency-consensus-algorithms.
• Brucker-Kley, E. and Keller, T. (2019) 'Beyond digitization : 'My boss is artificial'', in GFIC 2019 - Proceedings of the 2nd Global Forum of Intellectual Capital.
• Keller, T. et al. (2018) 'Virtual reality at secondary school : first results', in Sampson, D. G., Ifenthaler, D., and Isaias, P. (eds) Proceedings of the 15th International Conference on Cognition and Exploratory Learning in the Digital Age (CELDA 2018). IADIS, pp. 53–60.
• Keller, T., Annunzio, G. and Brucker-Kley, E. (2018) 'Heart rate variability analysis as a preventive instrument against stress for employees', in 16th International Conference on e-Society, Lissabon, 14-16 April 2018.
• Keller, T., Baumgartner, T. and Brucker-Kley, E. (2018) 'Towards a multi-modal IT', in Proceedings of the 16th International Conference e-Society 2018, pp. 209–216.
• Keller, T., Hebeisen, A. and Brucker-Kley, E. (2018) 'Integration of children with special needs in mathematics through virtual reality', in Sampson, D. G., Ifenthaler, D., and Isaias, P. (eds) Proceedings of the 15th International Conference on Cognition and Exploratory Learning in the Digital Age (CELDA 2018). IADIS, pp. 30–37.
• Keller, T. (2018) 'Yet another blockchain use case - the label chain', in Proceedings 2018 IEEE 15th international conference on e-business engineering. IEEE, pp. 187–194. doi: 10.1109/ICEBE.2018.00037.
• Baumgartner, T. and Keller, T. (2017) 'Bi-modal corporate it and its impact on innovation ability', in Kommers, P. and Isaias, P. (eds) Proceedings of the 15th international conference e-Society 2017. Budapest: IADIS, pp. 264–268.
• Pepic, S. et al. (2017) 'Modeling business processes using gesture and speech recognition', in Kommers, P. and Isaias, P. (eds) Proceedings of the 15th international conference e-society 2017. Budapest: IADIS, pp. 187–194. Available at: http://www.iadisportal.org/digital-library/modeling-business-processes-using-gesture-and-speech-recognition.
• Grünert, D., Keller, T. and Brucker-Kley, E. (2016) 'Artifact-centric modeling of business processes using UML diagrams', in Callaos, N. et al. (eds) Proceedings of The 20th World Multi-Conference on Systemics, Cybernetics and Informatics (WMSCI 2016). Winter Garde: International Institute of Informatics and Systemics, pp. 150–155. Available at: http://www.iiis.org/CDs2016/CD2016Summer/papers/SA176BT.pdf.
• Keller, T. and Savarimuthu, B. T. R. (2016) 'Optimizing decision support in business process management using obligation and prohibition norms', in Proceedings of the 9th IADIS International Conference Information Systems 2016. Vilamoura: IADIS, pp. 63–70. Available at: https://www.iadisportal.org/digital-library/optimizing-decision-support-in-business-process-management-using-obligation-and-prohibition-norms.
• Bloch, A. et al. (2015) 'Battery-efficient transportation mode detection on mobile devices', in 2015 16th IEEE International Conference on Mobile Data Management. IEEE, pp. 185–190. doi: 10.1109/MDM.2015.16.
• Keller, T. and Savarimuthu, B. T. R. (2015) 'The folly guard : a personal and social communication protection system', in Kommers, P. and Isaías, P. (eds) Proceedings of the 13th International Conference e-Society 2015 : Madeira, Portugal, March 14-16, 2015. IADIS, pp. 233–238. Available at: http://iadisportal.org/digital-library/the-folly-guard-%C2%96-a-personal-and-social-communication-protection-system.
• Grünert, D., Brucker-Kley, E. and Keller, T. (2014) 'oBPM : an opportunistic approach to business process modeling and execution', in Fournier, F. and Mendling, J. (eds) Business process management workshops : BPM 2014 international workshops, Eindhoven, The Netherlands, September 7-8, 2014, revised papers. Cham: Springer, pp. 463–476. doi: 10.1007/978-3-319-15895-2_40.
• Grünert, D. and Keller, T. (2014) 'Business process modeling using activity patterns', in 12th International Conference on e-Society 2014, Madrid, Spain, 28 February - 2 March 2014. IADIS, pp. 193–199. Available at: http://www.iadisportal.org/digital-library/business-process-modeling-using-activity-patterns.
• Hodapp, T., Mastronardi, L. and Keller, T. (2014) 'SME selection criteria for external IS/IT consultants, including Swiss Universities of Applied Sciences', in Powell, P., Nunes, M. B., and Isaias, P. (eds) Information systems 2014 : conference proceedings. IADIS, pp. 365–368. Available at: https://www.iadisportal.org/digital-library/sme-selection-criteria-for-external-is/it-consultants-including-swiss-universities-of-applied-sciences.
• Färber, A. et al. (2013) 'Information and communication technologies (ICT) as an enabler for multigenerational living', in International Scientific Forum, ISF 2013 : Proceedings vol. 2. ISF International Scientific Forum, pp. 35–42.
• Brucker-Kley, E. et al. (2013) 'Passing and passing on in the digital world : issues and solutions for the digital estate', in Kommers, P. and Isaias, P. (eds) IADIS International Journal on WWW/Internet. IADIS, pp. 34–48. Available at: http://www.iadisportal.org/ijwi/papers/2013112103.pdf.
• Brucker-Kley, E. et al. (2013) 'Passing and passing on in the digital world', in Proceedings of the IADIS International Conference on e-Society 2013. Berlin: IADIS, pp. 248–256. Available at: https://www.iadisportal.org/digital-library/passing-and-passing-on-in-the-digital-world.
• Krey, M. et al. (2011) 'Towards a classification of Information Technology governance frameworks for the development of a IT GRC healthcare framework', in 2011 IEEE Consumer Communications and Networking Conference (CCNC). Piscataway: IEEE, pp. 34–38. doi: 10.1109/CCNC.2011.5766488.
• Keller, T. and Riedl, R. (2007) 'An analysis framework for the economic potential of process interoperation', in Shoniregun, C. A. and Logvynovskiy, A. (eds) Proceedings of the International Conference on Information Society (iSociety 2007). Centre for Infonomics, pp. 168–175.
• Keller, T., Marko, T. and Riedl, R. (2007) 'Entrepreneurial view of automated process composition', in Zhang, L.-J. (ed.) Proceedings : ICWS 2007 : 2007 IEEE International Conference on Web Services. Los Alamitos: IEEE, pp. 848–855. doi: 10.1109/ICWS.2007.87.

Other publications

• Keller, T., Moser, M. and Bossi, H. (2024) 'Digital legacy in a digital world', in Isaías, P., Miranda, P., and Kommers, P. (eds) Proceedings of the DTIM 2024 + ICT 2024. IADIS, pp. 139–147.
• Brucker-Kley, E. et al. (2024) Science fiction prototyping : friendship with artificial intelligence. Winterthur: ZHAW Zürcher Hochschule für Angewandte Wissenschaften. doi: 10.21256/zhaw-2495.
• Brucker-Kley, E. et al. (2024) Science Fiction Prototyping : Freundschaft mit Künstlicher Intelligenz. Winterthur: ZHAW Zürcher Hochschule für Angewandte Wissenschaften. doi: 10.21256/zhaw-2494.
• Bosse, I., Haffner, M. and Keller, T. (2023) 'Partizipatives Design von Virtual Reality (VR) im Bereich geistige Entwicklung : das Projekt 'VR for Children with Special Needs'', in Höfer, H., Delere, M., and Vogel-Lefèbre, T. (eds) Bildung, Diversität und Medien : Erkundungen entlang aktueller Diskurslinien. München: kopaed, pp. 373–384.
• Keller, T., Botchkovoi, S. and Brucker-Kley, E. (2022) 'Findings from a field experiment with a VR learning unit', in Kommers, P. et al. (eds) Proceedings of the International Conferences. IADIS, pp. 3–11.
• Seiler, R. and Keller, T. (2021) 'WebVR vs. pictures of products in e-commerce : effects on trust, perceived ease of use, perceived usefulness, and intention to use', in Kommers, P. and Isaías, P. (eds) Proceedings of the 19th International Conference e-Society 2021. IADIS, pp. 193–200.
• Brucker-Kley, E. and Keller, T. (2020) Digital Futures : Szenarien am Rande der Technologischen Singularität. Winterthur: ZHAW Zürcher Hochschule für Angewandte Wissenschaften. doi: 10.21256/zhaw-19471.
• Ebert, N. et al. (2017) Integration Platform as a Service - Fallbeispiele aus der Praxis. Edited by N. Ebert and T. Keller. Winterthur: ZHAW Zürcher Hochschule für Angewandte Wissenschaften. doi: 10.21256/zhaw-1360.
• Keller, T. and Savarimuthu, B. T. R. (2016) 'A social norms based approach for enhancing decision support in business process execution', in Proceedings of the 31st International Conference on Computers and Their Applications (CATA 2016). New York: Curran Associates, pp. 137–144.
• Brucker-Kley, E. et al. (2015) Business Process Management 2015 : Status quo und Best Practices «Prozessintelligenz». Winterthur: ZHAW Zürcher Hochschule für Angewandte Wissenschaften. doi: 10.21256/zhaw-3390.
• Brucker-Kley, E. and Keller, T. (2015) 'Mehr Effizienz dank Prozessintelligenz', Competence, 2015(6), pp. 38–39. doi: 10.21256/zhaw-4348.
• Brucker-Kley, E. et al. (2014) Business Process Management 2014 : Status quo und Perspektiven eines ganzheitlichen Geschäftsprozessmanagements : Ergebnisse einer branchenübergreifenden empirischen Studie + Themenfokus 'Business Process Management in der Immobilienwirtschaft'. Winterthur: vdf Hochschulverlag. doi: 10.21256/zhaw-1027.
• Schlatter, U. et al. (2014) BPM-Lösungen aus der Cloud : Potenziale, Anforderungen und Erfolgsfaktoren. Winterthur: vdf Hochschulverlag. doi: 10.21256/zhaw-1028.
• Mastronardi, L., Hodapp, T. and Keller, T. (2013) SME Selection Criteria for External IS/IT Consultants, including Swiss Universities of Applied Sciences. Winterthur: ZHAW Zürcher Hochschule für Angewandte Wissenschaften. doi: 10.21256/zhaw-1011.
• Keller, T. and Christ, O. (2013) 'Die richtige Wahl: IT‑Outsourcing, warum das Auslagern der Informatik nicht immer Kosten spart, sich aber trotzdem lohnen kann', Handelszeitung, pp. 65–66.
• Keller, T. (2013) 'Abhörskandal : der sorglose Umgang mit Informationen', Handelszeitung.
• Minonne, C. et al. (2011) IT-Sourcing-Management 2011 - Status quo und Zukunft : Eine empirische Studie im deutschsprachigen Europa. Edited by C. Minonne. Winterthur: vdf Hochschulverlag. doi: 10.21256/zhaw-1031.
• Minonne, C. et al. (2011) Business Process Management 2011 - Status quo und Zukunft : Eine empirische Studie im deutschsprachigen Europa. Edited by C. Minonne. Winterthur: vdf Hochschulverlag. doi: 10.21256/zhaw-1026.
• Keller, T. (2010) 'Man kann sich fragen, wozu es einen CIO in Zukunft überhaupt noch braucht', Netzwoche, 2010(20).
• Keller, T. and Minonne, C. (2010) 'Die Kluft zwischen semantischen Netzen und Knowledge Management', Netzwoche, 2010(Special ECM Forum), pp. 3–4.
• Dietrich, M. and Keller, T. (2009) 'IT-Risikomanagement in Integrationsprojekten', Netzguide ICT-Riskmanagement und E-Security, pp. 34–36. Available at: http://bint.ch/wp-kern-pfad/wp-content/uploads/2013/03/Netzguide_05-09_IT-Risikomanagement.pdf.
• Keller, T. and Marko, T. (2008) 'Semantic business integration and its entrepreneurial impact', Goldwyn Reports.
• Keller, T. and Gysel, U. E. (2008) 'Prozesse müssen flexibel sein', Wirtschaftsmagazin, 2008(8), pp. 6–7.
• Keller, T. (2008) 'Semantic business integration : nicht jedes Unternehmen eignet sich dafür', IT business, 2008(5), p. 44.
• Rüegg, K. and Keller, T. (2008) 'Projekt alors-GIS', GIS-News, 2008(3), pp. 3–5.
• Keller, T. and Affolter, M. (2007) 'Die organisatorischen Aufgaben der IT-Sicherheit : Teil 1/2', KMU Magazin, 2007(6), p. 102.
• Keller, T. (2007) 'UDDI als zentrale Komponente zur Publikation von Prozessen', KMU Magazin, 2007(3), p. 70.
• Keller, T. (2007) 'Interoperabilität von Webservices und deren Mehrwert : Framework zur Evaluation automatisierter Interoperation', KMU Magazin, 2007(1), p. 74.
• Keller, T. (2007) 'Der Weg zu einer Security Policy (2/2)', KMU Magazin, 2007(7), p. 76.
• Keller, T. (2006) 'Interoperabilität von Webservices und deren Mehrwert : unternehmerische Problemstellung und technologische Grundlagen', KMU Magazin, 2006(9), p. 70.
• Keller, T. (2006) 'Interoperabilität von Webservices und deren Mehrwert : webservice-basierter Ansatz', KMU Magazin, 2006(10), p. 88.
• Keller, T. et al. (2005) 'Business integration : der Würfel zum Erfolg', Die Schweizerische Informatik Revue, 2005(3), pp. 2–5. Available at: http://bint.ch/wp-kern-pfad/wp-content/uploads/2013/03/wuerfel.pdf.
• Keller, T. (2005) 'Mit Webservices zum virtuellen Unternehmen', Computerworld, 2005(40).

Oral conference contributions and abstracts

• Brucker-Kley, E., Keller, T. and Guyer, S. (2025) 'Immersive science fiction prototyping for responsible innovation', in 22nd EuroXR International Conference, Winterthur, Switzerland, 3-5 September 2025.
• Keller, T., Brucker-Kley, E. and Stutz, I. (2025) 'Friendship with AI : exploring human-AI bonds across cultures and disciplines', in Expo 2025, Osaka, Japan, 13 April - 13 October 2025.
• Borghoff, B., Brucker-Kley, E. and Keller, T. (2024) 'Designing and analyzing adolescent discourses on friendship with AI using Science Fiction Prototyping', in dmi: Academic Design Management Conference (ADMC24), Delft, The Netherlands, 6-7 August 2024.
• Keller, T. et al. (2023) 'Science Fiction Prototyping für verantwortungsvolle Innovationen – Freundschaft mit KI immersiv erleben', in Projektabschluss-Event Swiss Science Center Technorama, Winterthur, Schweiz, 28. November 2023.
• Borghoff, B. et al. (2023) 'Science Fiction Prototyping – wie immersive Szenarien diskursiv wirken', in Schweizer Jahreskongress der Wissenschaftskommunikation (ScienceComm), Bern, Schweiz, 2.-3. November 2023. Available at: https://2023.sciencecomm.ch/fr/programme/jeudi/details/science-fiction-prototyping-wie-immersive-szenarien-diskursiv-wirken.
• Borghoff, B. et al. (2023) 'Freundschaft mit KI immersiv erleben – Science Fiction Prototyping für verantwortungsvolle Innovationen', in IAM MediaLab Veranstaltung, Winterthur, Schweiz, 26. Oktober 2023.
• Keller, T. et al. (2014) 'Transportmittelerkennung : Motivation, Ideen, Umsetzung und Validierung', in IWI Faculty Workshop, Winterthur, 13. Februar 2014.
• Rohrkemper, R., Keller, T. and de Spindler, A. (2013) 'Hot author detection via social network analysis', in IWI Faculty Workshop, Winterthur, 24. Januar 2013.

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