Research output per year
Research output per year
Personal profile
Curriculum vitae
Leo Leppänen is a Postdoctoral Researcher at the Department of Computer Science. He has a PhD in Computer Science and a BA in Language Technology.
His research focus is on automated generation of natural language, especially on the generation of factual content such as news and other reports from structured data, as well as educational data mining, learning analytics and computer science education research.
He is currently working at the University of Helsinki MOOC Center. Previously, he has been at the Discovery Research Group and the Agile Education Research Group, both at the department of computer science.
Education/Academic qualification
Computer Science, Doctor of Philosophy
Award Date: 30 May 2023
Computer Science, Master of Science
Award Date: 31 Oct 2017
Language Technology, Bachelor of Arts
Award Date: 16 Jun 2015
Fields of Science
- 113 Computer and information sciences
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Emergence of LLMs: (Not-so-)Significant Delving in Essay Answers in a MOOC on the Ethics of AI
Leppänen, L., Aunimo, L., Hellas, A., Nurminen, J. K. & Mannila, L. C. Y., 2025, (Accepted/In press) Artificial Intelligence in Education : 26th International Conference, AIED 2025. Springer, 8 p. (Lecture Notes in Artificial Intelligence).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
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How Large Language Models Are Changing MOOC Essay Answers: A Comparison of Pre- and Post-LLM Responses
Leppänen, L., Aunimo, L., Hellas, A., Nurminen, J. K. & Mannila, L., 17 Apr 2025.Research output: Working paper › Preprint
File -
Revisiting the Confidence Gap in University-Level Programming Courses
Leppänen, L., Pirttinen, N. & Kaila, E. T., 2025, (Accepted/In press) Proceedings of the 30th ACM Conference on Innovation and Technology in Computer Science Education V. 1 (ITiCSE 2025), June 27-July 2, 2025, Nijmegen, Netherlands. ACM, 7 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
Open Access -
Experiences from Integrating Large Language Model Chatbots into the Classroom
Hellas, A., Leinonen, J. & Leppänen, L., 2024, Proceedings of the 2024 on ACM Virtual Global Computing Education Conference. ACM, p. 46-52 7 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
Open AccessFile -
Flowthrough Analysis on Student Intake Paths
Kaila, E. T., Leppänen, L., Luukkainen, M. & Lemström, K., 13 Nov 2024, Koli Calling '24: Proceedings of the 24th Koli Calling International Conference on Computing Education Research. Leinonen, J. & Mühling, A. (eds.). ACM, p. 1-8 8 p. 21Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
Open AccessFile
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Generative AI in Journalism: Exploring Journalistic Norms, Democratic Roles and Future Expectations.
Hujanen, J. (Project manager), Leppänen, L. (Participant), Linden, C.-G. (Participant), Ruotsalainen, J. O. (Participant) & Sirén-Heikel, S. (Participant)
01/01/2025 → 31/12/2028
Project: Foundations (Private Foundations, Non-Profit Foundations, Charitable Trusts)
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Envisioning artificial intelligence into journalism practice
Hujanen, J. (Project manager), Ruotsalainen, J. O. (Participant), Sirén-Heikel, S. (Participant), Linden, C.-G. (Participant) & Leppänen, L. (Participant)
01/01/2024 → 31/12/2025
Project: Foundations (Private Foundations, Non-Profit Foundations, Charitable Trusts)
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Embeddia: Cross-Lingual Embeddings for Less-Represented Languages in European News Media
Toivonen, H. T. (Principal Investigator), Linden, C.-G. (Participant), Granroth-Wilding, M. (Participant), Leppänen, L. (Participant), Alnajjar, K. (Participant) & Zosa, E. (Participant)
01/01/2019 → 31/03/2022
Project: Research project
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NewsEye: A Digital Investigator for Historical Newspapers
Toivonen, H. T. (Principal Investigator), Tolonen, M. (Principal Investigator), Kaukonen, M. (Principal Investigator), Marjanen, J. (Participant), Granroth-Wilding, M. (Participant), Leppänen, L. (Participant), Avikainen, J. (Participant), Alnajjar, K. (Participant), Zosa, E. (Participant) & Hengchen, S. (Participant)
01/05/2018 → 31/01/2022
Project: Research project
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IA: Immersive Automation: automated storytelling, audience engagement and user experience in a news ecosystem
Linden, C.-G. (Project manager), Moring, T. A. (Participant), Backholm, K. (Participant), Hujanen, J. (Participant), Toivonen, H. T. (Principal Investigator), Granroth-Wilding, M. (Participant), Leppänen, L. (Participant), Munezero, M. (Participant), Haapanen, L. (Participant) & Sirén-Heikel, S. (Participant)
Viestintäalan tutkimussäätiö, Sanoma Media Finland Oy, Alma Media Oyj, Conmio Oy, Tekes, Svenska kulturfonden, KSF Media Ab, Keski Pohjanmaan Kirjapaino Oyj
01/12/2016 → 31/05/2018
Project: Research project
Prizes
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Pro Gradu Award for an Exceptional Master's Thesis
Leppänen, L. (Recipient), 2017
Prize: Prizes and awards
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Researcher of the Year Award for junior researchers
Leppänen, L. (Recipient), Dec 2018
Prize: Prizes and awards
Activities
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Koli Calling International Conference on Computing Education Research (Event)
Leppänen, L. (Programme Committee Member)
2024Activity: Publication peer-review and editorial work types › Peer review of manuscripts
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International Conference on Natural Language Processing for Digital Humanities (Event)
Leppänen, L. (Programme Committee Member)
2024Activity: Publication peer-review and editorial work types › Peer review of manuscripts
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International Conference on Natural Language Processing for Digital Humanities
Hämäläinen, M. (Scientific Committee Member), Öhman, E. (Scientific Committee Member), Miyagawa, S. (Attendee), Alnajjar, K. (Attendee), Bizzoni, Y. (Scientific Committee Member), Wilbur, J. (Scientific Committee Member), Degaetano-Ortlieb, S. (Attendee), Gessler, L. (Scientific Committee Member), Leppänen, L. (Attendee), Duong, Q. Q. (Attendee), Atanassova, I. (Scientific Committee Member), Tuominen, J. (Attendee), Martinc, M. (Attendee), Janicki, M. M. (Attendee), Zhang, S. (Attendee), Pivovarova, L. (Attendee), Dmitrieva, A. (Attendee), Kanner, A. (Attendee), Hjortnæs , N. (Attendee), Cho, W. I. (Scientific Committee Member), Shoemaker, T. (Scientific Committee Member), Manjavacas, E. (Scientific Committee Member), Iwatsuki, K. (Scientific Committee Member), Rubinstein, A. (Scientific Committee Member), Arnold, F. (Scientific Committee Member), Clerice, T. (Scientific Committee Member), Gutehrlé, N. (Attendee), Alqazlan, L. (Scientific Committee Member), Balázs, I. (Scientific Committee Member), Magistry, P. (Scientific Committee Member), Kawasaki, Y. (Scientific Committee Member), Antoniak, M. (Scientific Committee Member), Korre, K. (Scientific Committee Member), Teodorescu, D. (Scientific Committee Member), Dongqi, P. (Scientific Committee Member), Ligeti-Nagy, N. (Scientific Committee Member), Lahnala, A. (Scientific Committee Member), Simmons, G. (Scientific Committee Member), Hulden, V. (Scientific Committee Member), Park, J. (Scientific Committee Member), Sälevä, J. (Scientific Committee Member), Ruskov, M. (Scientific Committee Member), Song, Y. (Scientific Committee Member), Moreira, P. (Scientific Committee Member), Kurzynski, M. (Scientific Committee Member), Liimatta, A. (Attendee), Das, S. (Scientific Committee Member), Eck, S. O. (Scientific Committee Member), Nakajima, E. (Scientific Committee Member), Takagi, N. M. (Scientific Committee Member), Kawamura, K. (Scientific Committee Member), Dang, B. (Scientific Committee Member) & Rueter, J. (Scientific Committee Member)
16 Nov 2024Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars
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Koli Calling International Conference on Computing Education Research
Leppänen, L. (Speaker: Presenter)
Nov 2024Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars
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Journalism Practice (Journal)
Leppänen, L. (Reviewer)
2024Activity: Publication peer-review and editorial work types › Peer review of manuscripts