Comparison of cluster validation indices with missing data. - Marko Niemelä; Sami Äyrämö; Tommi Kärkkäinen (ESANN, 2018)

Game learning analytics for understanding reading skills in transparent writing system. - Marko Niemelä; Tommi Kärkkäinen; Sami Äyrämö; Miia Ronimus; Ulla Richardson; Heikki Lyytinen (Br. J. Educ. Technol., 2020)

Toolbox for Distance Estimation and Cluster Validation on Data With Missing Values. - Marko Niemelä; Sami Äyrämö; Tommi Kärkkäinen (IEEE Access, 2022)

Identification of Cognitive Decline from Spoken Language through Feature Selection and the Bag of Acoustic Words Model. - Marko Niemelä; Mikaela von Bonsdorff; Sami Äyrämö; Tommi Kärkkäinen (CoRR, 2024)

Dementia Classification Using Acoustic Speech and Feature Selection. - Marko Niemelä; Mikaela von Bonsdorff; Sami Äyrämö; Tommi Kärkkäinen (CoRR, 2025)