Professor Dr. Marten Risius

2026

• Anaraky Ghaiumy, Reza and Byrne, Kaileigh A. and Risius, Marten and Knijnenburg, Bart (2026) Bridging the Age Gap: Do Privacy Literacy, Self-efficacy, and Concerns Explain the Effects of Age on Privacy Decisions? (opens in a new window) ACM Transactions on Computer-Human Interaction, Art. 3803008 (Research Article). ISSN 1073-0516
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• Bink, Markus and Risius, Marten and Elsweiler, David and Kruschwitz, Udo (2026) "Can You Tell Me?": Designing Copilots to Support Human Judgement in Online Information Seeking. (opens in a new window) In: (Proceedings of the) 2026 Conference on Human Information Interaction and Retrieval (CHIIR), March, 22-26, 2026, Seattle, WA, USA, pp. 172-182, Paper (Research Article). ISBN 9798400724145
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• Bink, Markus and Risius, Marten and Kruschwitz, Udo and Elsweiler, David (2026) Seek and You Shall Find: Design & Evaluation of a Context-Aware Interactive Search Companion. (opens in a new window) In: (Proceedings of the) 2026 Conference on Human Information Interaction and Retrieval (CHIIR), March, 22-26, 2026, Seattle, WA, USA, pp. 361-365, Paper (Demo Paper. ISBN 9798400724145
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• Mueller-Bloch, Christoph and Risius, Marten (2026) Smart Contract (Kapitel 44). (opens in a new window) In: Elgar Encyclopedia of Cryptocurrencies / Beck, Roman (Ed.). Cheltenham: Edward Elgar Publishing. (Economics 2026). ISBN 9781035339969

2025

• Dürr, Marco and Risius, Marten (2025) Prebunking Harmful Social Media Content: Establishing Cognitive Immunology through Preventive Moderation. (opens in a new window) In: (Proceedings of the) 36th Australasian Conference on Information Systems (ACIS) “The State of the Information Systems Discipline: Challenges and Opportunities”, December, 1 - 5, 2025, Brisbane, QLD, Australia.
• David, Christopher and Risius, Marten (2025) Suspicion and Selection: Gatekeeping and Onboarding Practices in Extremist Virtual Communities. (opens in a new window) In: 36th Australasian Conference on Information Systems (ACIS) “The State of the Information Systems Discipline: Challenges and Opportunities”, December, 1 - 5, 2025, Brisbane, QLD, Australia.
• Phan, Thuy Linh and Boyce, James and Xie, Hetiao and Namvar, Morteza and Risius, Marten (2025) Same Same but Different: Evaluating Hate Speech Detoxification through an LLM-based Agentic Framework. (opens in a new window) In: (Proceedings of the) 46th International Conference on Information Systems (ICIS) “Achieving Digital Integration in the Age of AI", December, 14-17, 2025, Nashville, Tennessee, USA, Paper ICIS2025-2633 (Short Paper).
• Riekers, Nils and Risius, Marten and Cheng, Tong (2025) MAXplain: A Multi-Agent System for Interactive Multimodal Hate Speech Detection. (opens in a new window) In: (Proceedings of the) 33rd ACM International Conference on Multimedia (MM), October, 27-31, 2025, Dublin, Ireland, pp. 13516-13518.
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• Riekers, Nils and Risius, Marten and Cheng, Tong (2025) Developing Multi-Agent Systems to Address AI Explainability Issues: The Case of Online Hate Speech Detection. (opens in a new window) In: 20th International Conference on Wirtschaftsinformatik (WI25), 13. – 17. September 2025, Münster, Deutschland.
• Dürr, Marco and Risius, Marten and Louis, Winnifred (2025) Countering Anti-Democratic Beliefs: Future-Orientation Prebunking Interventions for Cognitive Immunology. (opens in a new window) In: (Proceedings of the) 7th Weizenbaum Conference "Empowering People in Online Spaces: Democracy and Well-Being in Digital Societies", 4.-5. Juni 2025, Berlin, Germany, pp. 124-128. (Weizenbaum Proceedings; 5).
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• Dürr, Marco and Risius, Marten and Louis, Winnifred (2025) Countering Anti-Democratic Content on Social Media: Employing a Future-Oriented Prebunking Intervention. (opens in a new window) In: (Proceedings of the) 20th International Conference on Wirtschaftsinformatik (WI25), 13.-17. September 2025, Münster, Germany.
• Grashoff, Lille and Risius, Marten (2025) The Role of Digital Technologies in Transforming Information Warfare. (opens in a new window) In: (Proceedings of the) 20th International Conference on Wirtschaftsinformatik (WI25), 13.-17. September 2025, Münster, Germany.
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• Ciriello, Raffaele F. and Mathiassen, Lars and Risius, Marten and Cheong, Marc and Scheepers, Helana and Vaast, Emmanuelle (2025) Compassionate Digital Innovation: A Pluralistic Perspective and Research Agenda. (opens in a new window) Information Systems Journal. ISSN 1365-2575
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• Boyce, James and Phan, Thuy Linh and Namvar, Morteza and Akhlaghpour, Saeed and Risius, Marten (2025) Who Nudges the Nudger? Conceptualizing an LLM-Based Reciprocal Nudging System (LRNS). (opens in a new window) In: (Proceedings of the) 29th Pacific-Asia Conference on Information System (PACIS), Track 5, July, 7 - 9, 2025, Kuala Lumpur, Malaysia, Paper PACIS2025-1716 (Short Paper).
• Phan, Thuy Linh and Xie, Hetiao S. and Namvar, Morteza and Risius, Marten (2025) The New Frontier in Mitigating Hate Speech: A Review to Guide Text Detoxification. (opens in a new window) In: (Proceedings of the) 29th Pacific Asia Conference on Information Systems (PACIS), Track 12, July, 5 - 9, 2025, Kuala Lumpur, Malaysia, Paper PACIS2025-1716 (Short Paper). (PACIS Proceedings Series).
• Liu, Jiaying and Schwarz, Andrew and Risius, Marten and Hirschheim, Rudy and Van Scotter, James (2025) Conceptualizing Echo Chambers and Information Cocoons: A Literature Review and Synthesis of Current Knowledge and Future Directions. (opens in a new window) The Journal of Strategic Information Systems, 34 (2), Art. 101904. ISSN 1873-1198
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• Jechle, Deinera and Frenzel-Piasentin, Adeline and Risius, Marten and Gewald, Heiko (2025) Conceptualizing Information Warfare in the Digital Age: Implications for the IS Discipline. (opens in a new window) In: (Proceedings of the) 36th Australasian Conference on Information Systems (ACIS) “The State of the Information Systems Discipline: Challenges and Opportunities”, December, 1 - 5, 2025, Brisbane, QLD, Australia, pp. 1-14, Paper 121.

2024

• Risius, Marten and Benedict, Gayan (2024) Blockchain Technology and Strategic Leadership (Chapter 7). (opens in a new window) In: Handbook of Research on Strategic Leadership in the Fourth Industrial Revolution / Simsek, Z. (Eds et al.). Cheltenham: Edward Elgar Publishing, pp. 167-195. ISBN 9781802208818
• Agarwal, Aniruddh and Cheung, Christy M. K. and Du, Wenyu and Edinger-Schons, Laura-Marie and Fang, Yuan and Krcmar, Helmut and Lee, Gwanhoo and Lee, Woo Sik and Martin, Carla D. and McDonald-Bärtl, Alyssa-Jade and Risius, Marten and Almanzar, Arlette R. and Ruehle, Rebecca C. and Schreieck, Maximilian and Usachova, Olga and Wiesche, Manuel and Zeng, Delin (2024) Curated Cases on Social Justice and Digital Technologies: Illuminating Phenomena across the World. (opens in a new window) MIS Quarterly : MISQ, 48 (4). pp. 1835-1837. ISSN 0276-7783
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• Risius, Marten and Blasiak, Kevin M. and Wibisono, Susilo and Louis, Winnifred R. (2024) The Digital Augmentation of Extremism: Reviewing and Guiding Online Extremism Research from a Sociotechnical Perspective. (opens in a new window) Information Systems Journal : ISJ, 34 (3). pp. 931-963. ISSN 1350-1917
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• Cheng, Tong and Wang, Danny and Liang, Xurong and Risius, Marten and Demartini, Gianluca and Yin, Hongzhi (2024) Hate Speech Detection with Generalizable Target-aware Fairness. (opens in a new window) In: (Proceedings of the) 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining, August, 25-29, 2024, Barcelona, Spain, pp. 365-375. ISBN 9798400704901
• Xie, Hetiao S. and Namvar, Morteza and Risius, Marten and Akhlaghpour, Saeed (2024) Navigating Implicit Hate Speech - A Scoping Review. (opens in a new window) In: (Proceedings of the) European Conference on Information Systems (ECIS), June, 13-19, 2024, Paphos, Cyprus, Paper 1785.
• Cheung, Christy M. K. and Risius, Marten and Fang, Yuan (2024) Pursuing social justice through doxing on social media : Implications of the 2019 Hong Kong Protests. (opens in a new window) MIS Quarterly : MISQ, 48 (4). pp. 1853-1857. ISSN 0276-7783
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• French, Aaron M. and Risius, Marten (2024) Redefining the Customer Service Relationship Through Blockchain. (opens in a new window) International Journal of Electronic Commerce, 28 (1). pp. 63-83. ISSN 1557-9301
• Risius, Marten and Blasiak, Kevin M. (2024) Shadowbanning : An Opaque Form of Content Moderation. (opens in a new window) Business & Information Systems Engineering, 66. pp. 817-829. ISSN 1867-0202
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• Blasiak, Kevin M. and Risius, Marten and Matook, Sabine (2024) "Trigger Warning: This Study Contains Extremist Content." Research Strategies for Investigations of Online Extremism and Terrorism. (opens in a new window) Communications of the Association for Information Systems : CAIS, 55 (1). pp. 257-278.

2023

• Cumming, Daniel and Utting, Mark and Cassez, Franck and Dong, Naipeng and Tork, Sadra B. and Risius, Marten (2023) EVM-Vale: Formal Verification of EVM Bytecode using Vale. (opens in a new window) In: (Proceedings of the) 7th Symposium on Distributed Ledger Technology (SDLT), November 30 - December 1, 2023, Goldcoast, Australia, pp. 39-54. (Communications in Computer and Information Science; 1975). ISBN 9789819700066
• Risius, Marten and Breidbach, Christoph F. and Chanson, Mathieu and Von Krannichfeldt, Ruben and Wortmann, Felix (2023) On the performance of blockchain-based token offerings. (opens in a new window) Electronic markets, 33, Art. 32. ISSN 1422-8890
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• Fang, Yuan and Risius, Marten and Cheung, Christy M. K. (2023) Understanding the Current State of Knowledge and Future Directions of Doxing Research: A Social Cognitive Theory Perspective. (opens in a new window) In: (Proceedings of the) 56th Hawaii International Conference on System Sciences (HICSS), January, 3-6, 2023, Maui, HI, USA, pp. 5514-5523. ISBN 9780998133164
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• Cumming, Daniel K. and Utting, Mark and Dong, Naipeng and Cassez, Franck and Tork, Sadra B. and Risius, Marten (2023) Verification of EVM Bytecode with Vale. (opens in a new window) In: The 6th Symposium on distributed ledger technology (SDLT), November, 22nd, 2022, Gold Coast, Australia.

2022

• Spohrer, Kai and Risius, Marten (2022) The Affordances of Blockchain Platforms: Why Service Providers Use Blockchains. (opens in a new window) In: Digitalization Across Organizational Levels : Progress in IS / Dibbern, Jens (Eds et al.). Cham: Springer, pp. 181-208. (Progress in IS). ISBN 9783031065439
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• Cheung, Christy M. K. and Risius, Marten and Lee, Matthew K. O. and Wagner, Christian (2022) Introduction to Adversarial Coordination in Collaboration and Social Media Systems Minitrack of the Collaboration Systems and Technologies Track. (opens in a new window) In: (Proceedings of the) 55th Hawaii International Conference on System Sciences (HICSS), January, 4-7, 2022, Maui, HI, USA, p. 114. ISBN 9780998133157
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• Spiekermann, Sarah and Krasnova, Hanna and Hinz, Oliver and Baumann, Annika and Benlian, Alexander and Gimpel, Henner and Heimbach, Irina and Köster, Antonia and Maedche, Alexander and Niehaves, Björn and Risius, Marten and Trenz, Manuel (2022) Values and Ethics in Information Systems A State-of-the-Art Analysis and Avenues for Future Research. (opens in a new window) Business & Information Systems Engineering, 64. pp. 247-264. ISSN 1867-0202
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2021

• French, Aaron M. and Shim, Jung P. and Risius, Marten and Larsen, Kai R. and Jain, Hemant (2021) The 4th Industrial Revolution Powered by the Integration of AI, Blockchain, and 5G. (opens in a new window) Communications of the Association for Information Systems : CAIS, 49, Art. 6. ISSN 1529-3181
• Blasiak, Kevin M. and Risius, Marten and Matook, Sabine (2021) Conceptualising Social Bots for Countering Online Extremist Messages. (opens in a new window) In: (Proceedings of the) 32nd Australasian Conferences on Information Systems (ACIS), December, 6-10, 2021, Sydney, Australia.
• Shan, Guohou and Wattal, Sunil and Risius, Marten and Thatcher, Jason B. (2021) How Fact-checking Affects News Engagement on Social Media Platforms: A Multi-method Study. (opens in a new window) In: Workshop on Information Systems Economics (WISE), December, 16-17, 2021, Austin, TX, USA.
• Cheung, Christy M. K. and Risius, Marten and Lee, Matthew K. O. and Wagner, Christian (2021) Introduction to the Minitrack on Social Media and e-Business Transformation. (opens in a new window) In: (Proceedings of the) 54th Hawaii International Conference on System Sciences (HICSS), January, 5-8, 2021, Virtual, pp. 722-723. ISBN 9780998133140
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• Blasiak, Kevin M. and Risius, Marten and Matook, Sabine (2021) "Social Bots for Peace": A Dual-Process Perspective to Counter Online Extremist Messaging. (opens in a new window) In: (Proceedings of the) 42nd International Conference on Information Systems (ICIS), December, 12-15, 2021, Austin, TX, USA, Paper 1615.

2020

• French, Aaron M. and Treiblmaier, Horst and Risius, Marten (2020) Blockchain: Technical Feasibility for Assessing Organizational Fit. (opens in a new window) In: (Proceedings of the), August, 10-14, 2020, Salt Lake City, UT, USA, Paper (ERF). ISBN 9781733632546
• Treiblmaier, Horst and French, Aaron M. and Risius, Marten (2020) Cultural Feasibility as a Moderator of Blockchain Acceptance in Academia. (opens in a new window) In: (Proceedings of the) 28th European Conference on Information Systems (ECIS 2020) "Liberty, Equality, and Fraternity in a Digitizing World", June, 15-17, 2020, Marrakech, Morocco.
• Risius, Marten and Baumann, Annika and Krasnova, Hanna (2020) Developing a New Paradigm: Introducing the Intention-Behaviour Gap to the Privacy Paradox Phenomenon. (opens in a new window) In: (Proceedings of the) 28th European Conference on Information Systems (ECIS), June, 15-17, 2020, Marrakech, Marokko (online). ISBN 9781733632515
• Anaraky, Reza G. and Knijnenburg, Bart and Risius, Marten (2020) Exacerbating Mindless Compliance: The Danger of Justifications during Privacy Decision Making in the Context of Facebook Applications. (opens in a new window) AIS Transactions on Human-Computer Interaction, 12, Paper 2. pp. 70-95. ISSN 1944-3900
• Heavey, Ciaran and Simsek, Zeki and Kyprianou, Christina and Risius, Marten (2020) How Do Strategic Leaders Engage with Social Media? A Theoretical Framework for Research and Practice. (opens in a new window) Strategic Management Journal : SMJ, 41 (8). pp. 1490-1527. ISSN 1097-0266
• French, Aaron M. and Risius, Marten and Shim, Jung P. (2020) The Interaction of Virtual Reality, Blockchain, and 5G New Radio: Disrupting Business and Society. (opens in a new window) Communications of the Association for Information Systems : CAIS, 46, Art. 25. pp. 603-618. ISSN 1529-3181

2019

• Pedersen, Asger B. and Risius, Marten and Beck, Roman (2019) A Ten-Step Decision Path to Determine When to Use Blockchain Technologies. (opens in a new window) MIS Quarterly Executive, 18 (2). pp. 99-115. ISSN 1540-1979
• Risius, Marten and Aydingül, Okan and Haug, Maximilian (2019) Towards an Understanding of Conspiracy Echo Chambers on Facebook. (opens in a new window) In: (Proceedings of the) 27th European Conference on Information Systems (ECIS), June, 8-14, 2019, Stockholm and Uppsala, Sweden. ISBN 9781733632508

2018

• Risius, Marten and Aydingül, Okan (2018) Facebook User Segmentation to Enable Targeted Social Advertisement. (opens in a new window) In: (Proceedings of the) 39th International Conference on Information Systems (ICIS) "Bridging the Internet of People, Data, and Things", December, 13-16, 2018, San Francisco, CA, USA.
• Chanson, Mathieu and Risius, Marten and Wortmann, Felix (2018) Initial Coin Offerings (ICOs): An Introduction to the Novel Funding Mechanism Based on Blockchain Technology. (opens in a new window) In: (Proceedings of the) 24th Americas Conference on Information Systems (AMCIS), August, 16-18, 2018, New Orleans, LA, USA.
• Chanson, Mathieu and Gjoen, Jonas and Risius, Marten and Wortmann, Felix (2018) Initial Coin Offerings (ICOs): The role of Social Media for Organizational Legitimacy and Underpricing. (opens in a new window) In: (Proceedings of the) 39th International Conference on Information Systems (ICIS), December, 13-16, 2018, San Francisco, CA, USA, Paper (Compl. RP).
• Heavey, Ciaran and Kyprianou, Christina and Simsek, Zeki and Risius, Marten (2018) Strategic Leadership in the Digital Age: A Multi-Disciplinary Review, Framework, and Research Agenda. (opens in a new window) In: 38th Strategic Management Society Conference (SMS) "Strategies in the Era of De-Globalization", September, 22-25, 2018, Paris, France.

2017

• Janze, Christian and Risius, Marten (2017) Automatic Detection of Fake News on Social Media Platforms. (opens in a new window) In: (Proceedings of the) 21st Pacific Asia Conference on Information Systems (PACIS), July, 16-20, 2017, Langkawi Island, Malaysia.
• Risius, Marten and Spohrer, Kai (2017) A Blockchain Research Framework - What We (don’t) Know, Where We Go from Here, and How We Will Get There. (opens in a new window) Business & Information Systems Engineering, 59 (6). pp. 385-409. ISSN 1867-020
• Hyvärinen, Hissu and Risius, Marten and Friis, Gustav (2017) A Blockchain-Based Approach Towards Overcoming Financial Fraud in Public Sector Services. (opens in a new window) Business & Information Systems Engineering, 59 (6). pp. 441-457. ISSN 1867-0202

2016

• Glaser, Florian and Risius, Marten (2016) Effects of Transparency: Analyzing Social Biases on Trader Performance in Social Trading. (opens in a new window) Journal of Information Technology, 33 (1). pp. 19-30. ISSN 0268-3962
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• Risius, Marten and Benthaus, Janek and Akolk, Fabian (2016) Is it Worth it? Dismantling the Process of Social Media Related Sales Performance. (opens in a new window) In: (Proceedings of the) 24th European Conference on Information Systems (ECIS), June, 12-15, 2016, Istanbul,Turkey, Paper 23 (RP).
• Benthaus, Janek and Risius, Marten and Beck, Roman (2016) Social media management strategies for organizational impression management and their effect on public perception. (opens in a new window) Journal of Strategic Information Systems : JSIS, 25 (2). pp. 127-139. ISSN Elsevier
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2015

• Risius, Marten and Akolk, Fabian and Beck, Roman (2015) Differential Emotions and the Stock Market. The Case of Company-Specific Trading. (opens in a new window) In: (Proceedings of the) 23rd European Conference on Information Systems (ECIS), May, 26-29, 2015, Münster, Germany, Paper 147.
• Risius, Marten and Akolk, Fabian (2015) Differentiated Sentiment Analysis of Corporate Social Media Accounts. (opens in a new window) In: (Proceedings of the) 21st American Conference on Information Systems (AMCIS), August, 13-15, 2015, Fajardo, Puerto Rico, pp. 4119-4130. ISBN 9781510814936
• Risius, Marten and Beck, Roman (2015) Effectiveness of corporate social media activities in increasing relational outcomes. (opens in a new window) Information & Management, 52 (7). pp. 824-839. ISSN 1872-7530
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2014

• Dernbecher, Sabine and Risius, Marten and Beck, Roman (2014) Bridging The Gap - Organizational Mindfulness and Mindful Organizing in Mobile Work Environments. (opens in a new window) In: (Proceedings of the) 22nd European Conference on Information Systems (ECIS), June 9-11, 2014, Tel Aviv, Israel, Paper (Compl. RP).
• Risius, Marten (2014) Is it Really About Facts? The Positive Side of Meforming for Turning Self-Disclosure into Social Capital in Enterprise Social Media. (opens in a new window) In: (Proceedings of the) 22nd European Conference on Information Systems (ECIS), June 9-11, 2014, Tel Aviv, Israel, Paper (Compl. RP). ISBN 9780991556700
• Risius, Marten and Beck, Roman (2014) You Reap What You Sow? How Knowledge Exchange Effectiveness is Affected by Different Types of Communication in Enterprise Social Media. (opens in a new window) In: (Proceedings of the) 47th Hawaii International Conference on System Sciences (HICSSI, January, 6-9, 2014, Waikoloa, HI, USA, pp. 540-549.