Tree-based Focused Web Crawling with Reinforcement Learning. - Andreas Kontogiannis; Dimitrios Kelesis; Vasilis Pollatos; Georgios Paliouras; George Giannakopoulos (CoRR, 2021)

Reducing Oversmoothing in Graph Neural Networks by Changing the Activation Function. - Dimitrios Kelesis; Dimitrios Vogiatzis; Georgios Katsimpras; Dimitris Fotakis 001; Georgios Paliouras (ECAI, 2023)

Complex Event Recognition with Allen Relations. - Periklis Mantenoglou; Dimitrios Kelesis; Alexander Artikis (KR, 2023)

TransChem: Effective Pre-training Enhances Molecular Property Prediction. - Dimitrios Kelesis; Eirini Spyropoulou; Elias Zavitsanos (SETN, 2024)

Partially Trained Graph Convolutional Networks Resist Oversmoothing. - Dimitrios Kelesis; Dimitris Fotakis 001; Georgios Paliouras (CoRR, 2024)

Calibrating TabTransformer for financial misstatement detection. - Elias Zavitsanos; Dimitrios Kelesis; Georgios Paliouras (Appl. Intell., 2025)

Reducing oversmoothing through informed weight initialization in graph neural networks. - Dimitrios Kelesis; Dimitris Fotakis 001; Georgios Paliouras (Appl. Intell., 2025)

Analyzing the effect of residual connections to oversmoothing in graph neural networks. - Dimitrios Kelesis; Dimitris Fotakis 001; Georgios Paliouras (Mach. Learn., 2025)