ModelarDB: Integrated Model-Based Management of Time Series from Edge to Cloud -- Variable-Size Segmentation for Time Series Representation -- Semantic Similarity in a Taxonomy by Evaluating the Relatedness of Concept Senses with the Linked Data Semantic Distance -- Constituency-informed and Constituency-constrained Extractive Question Answering with Heterogeneous Graph Transformer -- FAPFID: A Fairness-aware Approach for Protected Features and Imbalanced Data -- D-Thespis: A Distributed Actor-Based Causally Consistent DBMS.