The paper "Extracting hidden preferences over partitions in hedonic cooperative games" (http://tiny.cc/y5dzbz ) coauthored by Ms Athina Georgara (MSc student), Mr Dimitrios Troullinos (undergraduate student) and Dr Georgios Chalkiadakis (Associate Professor), received the Best Student Paper award of the 12th International Conference on Knowledge Science, Engineering, and Management (https://ksem2019.unipi.gr/)!