Ossi Mikael Karkulahti will defend the doctoral dissertation titled “Understanding Social Media through Large Volume Measurements” in the Faculty of Science, University of Helsinki, on 9 October 2019 at 12:00. The public examination will take place at the following address: Porthania, PII, Yliopistonkatu 3.

Associate Professor Yang Chen, Fudan University, will serve as the opponent, and Professor Jussi Kangasharju as the custos.

The dissertation is also available in electronic form through the E-thesis service.