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Stefan Horoi

3 accepted papers

2026

From Memorization to Parameter Interference: How Overtraining Experts Harms Model Merging

ICML 2026poster

Modern deep learning is increasingly characterized by the use of open-weight foundation models that can be fine-tuned on specialized datasets. This has led to a proliferation of expert models and adapters, often shared via platforms like HuggingFace and AdapterHub. Model merging has recently emerged…

Cited by 0SourceScholar
2024

Harmony in Diversity: Merging Neural Networks with Canonical Correlation Analysis

ICML 2024poster

Combining the predictions of multiple trained models through ensembling is generally a good way to improve accuracy by leveraging the different learned features of the models, however it comes with high computational and storage costs. Model fusion, the act of merging multiple models into one by com…

2023

Reliability of CKA as a Similarity Measure in Deep Learning

ICLR 2023poster

Comparing learned neural representations in neural networks is a challenging but important problem, which has been approached in different ways. The Centered Kernel Alignment (CKA) similarity metric, particularly its linear variant, has recently become a popular approach and has been widely used to…

Cited by 51SourcePDFScholar