Author

Guillaume Bied

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#large language models Review Aug 2026

People Are Not Just Their Countries. Disentangling Social Determinants of LLM Value Alignment Across Europe

As Large Language Models (LLMs) are increasingly used as a primary source of information and advice, understanding their alignment to humans in terms of values becomes a pressing concern. A growing literature has leveraged large scale surveys to investigate to what extent LLMs'and humans'stated values and opinions alig...

Maria-Louisa Wightman, Guillaume Bied, T. De Bie · Proceedings of the AAAI/ACM... · 0 citations

#machine learning Preprint Aug 2026

How smoothing the affinity matrix affects neighborhood preservation in t-SNE

It is found that sharpening improves preservation of the very nearest neighbors, while smoothing improves preservation of broader local neighborhoods, outperforming alternative affinity constructions including multiscale methods in the mid-local range.

Shirin Mohebi, Guillaume Bied, Jefrey Lijffijt · 0 citations