Author

J. Pavlopoulos

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Preprint Oct 2026

What Not to Erase: Saliency-Constrained Augmentation for Low-Resource Handwritten Character Recognition

Optical Character Recognition (OCR) and handwritten character recognition (HCR) in low-resource historical material collections often rely on data augmentation, yet augmentation strategies are typically evaluated almost exclusively through predictive accuracy. This leaves open whether a model's improved performance is...

Paraskevi Platanou, J. Pavlopoulos · 0 citations

#natural language process... Preprint Jan 2026

Quantifying Retriever-Generator Alignment in RAG with Local Explanations

RAG-E is presented, an end-to-end explainability framework that quantifies retriever-generator alignment through mathematically grounded attribution methods and introduces the Weighted Alignment between Retriever and Generator (WARG) metric to measure how closely the generator's document usage aligns with retriever ran...

Korbinian Randl, Guido Rocchietti, Aron Henriksson et al. · 0 citations