2 code implementations • 3 Mar 2024 • Iakovos Evdaimon, Giannis Nikolentzos, Michail Chatzianastasis, Hadi Abdine, Michalis Vazirgiannis
Graph generation has emerged as a crucial task in machine learning, with significant challenges in generating graphs that accurately reflect specific properties.
1 code implementation • 25 Jul 2023 • Hadi Abdine, Michail Chatzianastasis, Costas Bouyioukos, Michalis Vazirgiannis
These results highlight the transformative impact of multimodal models, specifically the fusion of GNNs and LLMs, empowering researchers with powerful tools for more accurate function prediction of existing as well as first-to-see proteins.
no code implementations • 11 Jul 2023 • Michail Chatzianastasis, Giannis Nikolentzos, Michalis Vazirgiannis
Among the different variants of graph neural networks, graph attention networks (GATs) have been applied with great success to different tasks.
no code implementations • 21 Apr 2023 • Giannis Nikolentzos, Michail Chatzianastasis, Michalis Vazirgiannis
In recent years, graph neural networks (GNNs) have achieved great success in the field of graph representation learning.
no code implementations • 12 Feb 2023 • Michail Chatzianastasis, Loukas Ilias, Dimitris Askounis, Michalis Vazirgiannis
To the best of our knowledge, there is no prior work exploiting a NAS approach and these fusion methods in the task of dementia detection from spontaneous speech.
1 code implementation • 20 Jan 2023 • Michail Chatzianastasis, Michalis Vazirgiannis, Zijun Zhang
Unlike conventional graph learning on a single biological network, EMGNN uses a multilayered graph neural network to learn from multiple biological networks for accurate cancer gene prediction.
no code implementations • 4 Nov 2022 • Giannis Nikolentzos, Michail Chatzianastasis, Michalis Vazirgiannis
In recent years, graph neural networks (GNNs) have emerged as a promising tool for solving machine learning problems on graphs.
1 code implementation • 11 Apr 2022 • Michail Chatzianastasis, Johannes F. Lutzeyer, George Dasoulas, Michalis Vazirgiannis
The GOAT model demonstrates its increased performance in modeling graph metrics that capture complex information, such as the betweenness centrality and the effective size of a node.
1 code implementation • 11 May 2021 • Michail Chatzianastasis, George Dasoulas, Georgios Siolas, Michalis Vazirgiannis
Neural Architecture Search (NAS) has recently gained increased attention, as a class of approaches that automatically searches in an input space of network architectures.