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Ulas Bagci

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#machine learning Preprint Sep 2026

Serverless gossip training of LSTM failure detectors: A matched-protocol comparison with federated, local and centralized learning on NASA C-MAPSS

Ring gossip is a practical serverless alternative when data heterogeneity is moderate, and faster-mixing topologies become important as heterogeneity grows, as well as a centralized reference for a stacked LSTM that detects imminent failure on the NASA C-MAPSS turbofan benchmark.

Yusuf Ozturk, Enes Goktekin, Bengisu Atli et al. · 0 citations
Preprint Aug 2026

BreastMammo and DenseMammo: Benchmarks for Mammography Domain Generalization

Breast density classification is a critical component of breast cancer risk assessment, yet AI models often struggle to generalize across clinical sites due to vendor-specific acquisition styles. In this work, we introduce two new datasets, BreastMammo and DenseMammo, to facilitate robust multi-view mammography researc...

Hong-Yi Pan, Gorkem Durak, H. Aktas et al. · 0 citations
Preprint Aug 2026

Hierarchical MoE for Multi-Modal ILD Diagnosis

Mixture-of-experts (MoE) models combine specialized predictors under learned routing, offering a principled mechanism for leveraging heterogeneity in medical data. We present a hierarchical multimodal MoE for interstitial lung disease (ILD) classification that integrates a frozen, pre-trained imaging expert with struct...

A. Peltekian, Gorkem Durak, H. Aktas et al. · 0 citations
Review Open access Aug 2026

Explainable artificial intelligence in medical imaging: how to interpret, evaluate, and use artificial intelligence explanations.

Most artificial intelligence (AI) models used in radiology are black boxes-they produce predictions without explaining the basis of their outputs, raising concerns about clinical safety, accountability, and trust. To address this, a growing body of methods has been developed to help clinicians understand and evaluate A...

Gorkem Durak, H. Aktas, Tugba Akinci D'Antonoli et al. · 0 citations

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