Hongjie Guan: FedEP: Tailoring Attention to Heterogeneous Data Distribution with Entropy Pooling; Universität Zürich, Communication Systems Group, Department of Informatics, Zürich, Switzerland, July 2024, URL: https://files.ifi.uzh.ch/CSG/staff/feng/external/theses/MasterThesis_Hongjie_Guan.pdf.