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Author

Wojciech Samek

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Preprint Aug 2026

A Privacy Study of Sparse Collaborative Inference

It is concluded that the positions of sparse activations should be treated as sensitive transmitted data and audited carefully in the context of collaborative inference, and that sparsification reduces the leakage far less than it reduces the transmission cost.

Maximilian Andreas Hoefler, Karsten Mueller, Wojciech Samek · 0 citations

Activation- and Influence-Aware Ranks (AIR): Function-Preserving SVD Compression for LLMs

An SVD-based LLM compression framework that guides each weight matrix's low-rank approximation with a backward-signal influence metric, which improves perplexity over SVD-LLM(W) by>18% at<=60% parameter retention, matches its quality with ~90% less calibration data, and turns parameter savings into FLOP, peak-memory, a...

Nicole Harder, Daniel Becking, Karsten Mueller et al. · 0 citations
Jul 2026

Collaborative Synthetic Data Generation for Knowledge Transfer in Federated Learning

FedKT-CSD (Federated Knowledge Transfer via Collaborative Synthetic Data), a framework inspired by neural image compression that closes the gap in jointly achieving low communication, robustness to heterogeneity, and rigorous privacy by leveraging publicly pretrained autoencoders as a shared latent space.

Maximilian Andreas Hoefler, Karsten Mueller, Wojciech Samek · 0 citations

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