Publications

Ebrahimi, S. F. and Peltonen, J. (2025). Constrained Non-negative Matrix Factorization for Guided Topic Modeling of Minority Topics. Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP 2025), Suzhou, China. (in press). https://arxiv.org/abs/2505.16493

Ebrahimi, S. F. and Peltonen, J. (2025). Nonnegative Matrix Factorization for Joint Clustering and Topic Modeling with Minority Topics. Proceedings of the 2025 International Conference on Neural Information Processing (ICONIP 2025), Okinawa, Japan. (in press).

Ebrahimi, S. F. and Peltonen, J. (2025). Voices Between Lines: Interpretable Labeling of Mental Health Minority Topics with Seed Guidance and LLMs. Workshop on Responsible Healthcare using Machine Learning (RHCML) at the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML PKDD 2025), Porto, Portugal. (in press).

Hirvonen, N., Multas, A.-M., Nygård, T., & Huotari, M.-L. (2024). Cognitive authority: A scoping review of empirical research. An Annual Review of Information Science and Technology (ARIST) paper. Journal of the Association for Information Science and Technology, 1–38. https://doi.org/10.1002/asi.24942

Koivisto, A. (2024). Sosiaalinen media ja nuorten mielenterveyspääoma. [pro gradu -tutkielma, Helsingin yliopisto]. HELDA-julkaisuarkisto. http://urn.fi/URN:NBN:fi:hulib-202404081642

Kulmala, M., Lindfors, P., Peltonen, J., Pekurinen, V., Nygård, T., Multas, A. M., & Joronen, K. (2023). Tubettajat nuorten mielenterveyden vertaistukijoina sosiaalisessa mediassa – Mitä ja miten tutkia, ja kenen kanssa?. Sosiaalilääketieteellinen Aikakauslehti, 60(4). https://doi.org/10.23990/sa.127436.

Kulmala, M., Multas, A.-M., Airaksinen, N. & Vento, L. (2024). Co-research on peer support for young people’s mental health in the context of social media. European Congress on Qualitative Inquiry, 10.-12.1.2024, Helsinki, Finland. Oral presentation.

Kulmala, M., Multas, A.-M., & Vento, L. (2025). Co-creation of new knowledge on peer support for youth mental health in the context of social media together with young people. European Congress on Qualitative Inquiry, 8.-10.1.2025, Edinburgh, UK. Oral presentation.

Lindfors, P., Joronen, K., Kulmala, M., Peltonen, J., Multas, A-M. (2022). Tubettajat nuorten mielenterveyden vertaistukijoina – SA:n tutkimushanke. Terveyspsykologian päivät, 2.-3.11.2022. Poster presentation.

Lindfors P ja Nygård T. (2025) Tubettajat mielenterveysasiantuntijoina. Terveyspsykologian päivät 6.-7.2.2025. Oral presentation.

Lindström, L. (2025). ”Tarpeeksi kauan kun lärää, niin kyllä se voi olla, että pikkuhiljaa alkaa hymyilyttää”: Mielenterveysteemaiset meemit vertaistukena nuorille [Master’s thesis, University of Jyväskylä]. https://urn.fi/URN:NBN:fi:jyu-202506245698

Multas, A.-M. (2025). Co-research on social media peer support as means to enhance young people’s mental health and sense of agency. International Conference on Youth Mental Health (IAYMH). 18.-21.3.2025, Vancouver, Canada. Oral presentation.

Multas, A.-M. (2024). Investigating social media peer support for youth mental health through co-research. The Information Seeking in Context Conference (ISIC), 26.-29.8.2024, Aalborg, Denmark. Poster presentation.

Multas, A.-M. (2022). Tubettajat nuorten mielenterveyden vertaistukijoina: kehollisuus ja keholliset tietokäytänteet sosiaalisessa mediassa. Informaatiotutkimus, 41(2–3), 111–114. https://doi.org/10.23978/inf.122596.

Multas, A.-M. & Kulmala, M. (2025). “It can also be a really positive place”: co-research on young people’s health information literacy practices in social media. Information Research an International Electronic Journal, 30(CoLIS), 221–236. https://doi.org/10.47989/ir30CoLIS52288

Multas, A.-M. & Kulmala, M. (2024). Co-research on peer support in social media as means ​to enhance young people’s mental health and ​sense of agency. European Association for Research on Adolescence (EARA). 25.-28.9.2024, Limassol, Cyprus. Oral presentation.

Multas, A.-M. & Kulmala, M. (2024). Co-research on young people’s health information literacies in social media. European Association for Research on Adolescence (EARA). 25.-28.9.2024, Limassol, Cyprus. Poster presentation.

Multas, A.-M. & Kulmala, M. (2023). YouTubers as peer mental health educators in adolescents’ social environments. Symposium on participatory research about the mental health of children and young people, 24.2.2023, Belfast, UK. Oral presentation.

Multas, A.-M., Kulmala, M. &  Vento, L. (2024). Co-research as research strategy to study peer support for mental health in social media. 16th Nordic Youth Research Symposium, 12.-14.6.2024, Tampere, Finland. Oral presentation.

Multas, A.-M., Kulmala, M., Koivisto, A. & Rantanen, E. (2023). Kanssatutkimusta somesta ja vertaistuesta nuorten mielenterveyden edistämiseksi. Nuorisotutkimuspäivät 8.-9.11.2023, Tampere, Finland. Oral presentation.

Nygård, T., & Lindfors, P. (2025). Promoting youth well-being: a qualitative study of Finnish YouTubers’ mental health content. Health promotion international, 40(3), daaf074. https://doi.org/10.1093/heapro/daaf074

Nygård, T. & Lindfors, P. (2024). Somevaikuttajat mielenterveyteen liittyvän tiedon välittäjinä. Median ja viestinnän päivät (MEVI). 12.-13.4.2024, Tampere, Finland. Oral presentation..

Nygård, T. & Lindfors, P. (2025). YouTubers as supporters of young people’s mental health. International Conference on Youth Mental Health (IAYMH). 18.-21.3.2025, Vancouver, Canada. Oral presentation.

Nygård, T. & Lindfors, P. (2024). YouTubers as Experiential Experts and Mediators of Mental Health Information for Adolescents. European Association for Research on Adolescence (EARA). 25.-28.9.2024, Limassol, Cyprus. Oral presentation.

Nygård, T. & Lindfors, P. (2024). YouTubers’ ways of communicating mental health information. 7th European Congress of Qualitative Inquiry (ECQI). 10.-12.1.2024, Helsinki, Finland. Oral presentation.

Pekurinen V., Maksimainen H., Joronen K. (2023).Mielen hyvinvoinnin aiheet nuorten seuraamien tubettajien videoissa. Terveyspsykologian päivät, 7.-8.11.2022. Poster presentation.

Pekurinen, V., Koivu, T., Lindfors, P., & Joronen, K. (2023). Mental health topics in social media during the COVID-19 pandemic – a literature review [konferenssiabstrakti]. Population Medicine, 5(Supplement), A633. https://doi.org/10.18332/POPMED/165447