Author

Pierre-Antoine Lequeu

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#artificial intelligence Review Sep 2026

Toward Collective-Centric Evaluation of Preference Inference for Participatory Democracy

A novel comprehensive and collective-centric evaluation benchmark for the task of Preference Inference, which aims to support the development of AI systems that scale deliberation without compromising the integrity of its democratic outcomes.

Pierre-Antoine Lequeu, Salim Hafid, Paul Lerner et al. · 0 citations

#artificial intelligence May 2026

Give it Space! Explicit Disentangling of Positional and Semantic Representations in Encoders

Building on evidence that positional and semantic signals occupy nearly orthogonal subspaces in trained Transformers, an encoder Transformer is modified to process three explicitly disentangled streams: semantic, absolute positional (AP) and relative positional (RP), and confine the masked-language-modeling (MLM) objec...

Pierre-Antoine Lequeu, Camille Barboule, Benjamin Piwowarski · arXiv.org · 0 citations