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Author

Spyridon Samothrakis

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#artificial intelligence Preprint May 2025

Disassociating performance from compositional feature learning

The results show that even with appropriate biases and near-perfect OOD accuracy, a model can fail to learn the compositional feature structures necessary for systematic generalisation, indicating that OOD benchmarks alone are insufficient for evaluating compositionality in neural networks.

G. Dimitriadis, Spyridon Samothrakis · 0 citations
#artificial intelligence Open access Sep 2026

Local Updates, Global Learning (LUGL): Playing Games with non-incremental Learners

The dominance of Neural Networks (NNs) in RL is partially due to their incremental learning capability, which naturally suits the online, non-stationary nature of self-play training. However, gradient-boosted trees like LightGBM are widely recognised as the state of the art for tabular data in supervised learning, ofte...

David Milec, Spyridon Samothrakis, Michael Fairbank et al. · 0 citations

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