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cs.SD2026
Pose-Aware Multimodal Automatic Tagging for Greek Traditional Music
Alexandros Alexiou, Charilaos Papaioannou, Alexandros Potamianos
Automatic tagging is a core task in Music Information Retrieval (MIR), yet most tagging systems exploit only audio. Live music performance is inherently multimodal, as semantic lab…
cs.LG2026
MxGPS: Multiplex Graph Transformers for a Power Grid Foundation Model
Charilaos Papaioannou, Ioannis Tsantilas, Dimitris Giannakakos +9
Single-task fine-tuning of graph neural networks (GNNs) for power grid problems exhibits a systematic failure mode: models that achieve the lowest in-distribution error degrade the…